Instruction
stringlengths
45
106
input_code
stringlengths
1
13.7k
output_code
stringlengths
1
13.7k
Produce a language-to-language conversion: from Factor to C++, same semantics.
USING: combinators combinators.smart kernel math math.statistics prettyprint sequences sorting ; IN: rosetta-code.five-number <PRIVATE : bisect ( seq -- lower upper ) dup length even? [ halves ] [ dup midpoint@ 1 + [ head ] [ tail* ] 2bi ] if ; : (fivenum) ( seq -- summary ) natural-sort { [ infimum ] [ bisect drop median ] [ median ] [ bisect nip median ] [ supremum ] } cleave>array ; PRIVATE> ERROR: fivenum-empty data ; ERROR: fivenum-nan data ; : fivenum ( seq -- summary ) { { [ dup empty? ] [ fivenum-empty ] } { [ dup [ fp-nan? ] any? ] [ fivenum-nan ] } [ (fivenum) ] } cond ; : fivenum-demo ( -- ) { 15 6 42 41 7 36 49 40 39 47 43 } { 36 40 7 39 41 15 } { 0.14082834 0.09748790 1.73131507 0.87636009 -1.95059594 0.73438555 -0.03035726 1.46675970 -0.74621349 -0.72588772 0.63905160 0.61501527 -0.98983780 -1.00447874 -0.62759469 0.66206163 1.04312009 -0.10305385 0.75775634 0.32566578 } [ fivenum . ] tri@ ; MAIN: fivenum-demo
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Port the provided Factor code into Java while preserving the original functionality.
USING: combinators combinators.smart kernel math math.statistics prettyprint sequences sorting ; IN: rosetta-code.five-number <PRIVATE : bisect ( seq -- lower upper ) dup length even? [ halves ] [ dup midpoint@ 1 + [ head ] [ tail* ] 2bi ] if ; : (fivenum) ( seq -- summary ) natural-sort { [ infimum ] [ bisect drop median ] [ median ] [ bisect nip median ] [ supremum ] } cleave>array ; PRIVATE> ERROR: fivenum-empty data ; ERROR: fivenum-nan data ; : fivenum ( seq -- summary ) { { [ dup empty? ] [ fivenum-empty ] } { [ dup [ fp-nan? ] any? ] [ fivenum-nan ] } [ (fivenum) ] } cond ; : fivenum-demo ( -- ) { 15 6 42 41 7 36 49 40 39 47 43 } { 36 40 7 39 41 15 } { 0.14082834 0.09748790 1.73131507 0.87636009 -1.95059594 0.73438555 -0.03035726 1.46675970 -0.74621349 -0.72588772 0.63905160 0.61501527 -0.98983780 -1.00447874 -0.62759469 0.66206163 1.04312009 -0.10305385 0.75775634 0.32566578 } [ fivenum . ] tri@ ; MAIN: fivenum-demo
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Transform the following Factor implementation into Java, maintaining the same output and logic.
USING: combinators combinators.smart kernel math math.statistics prettyprint sequences sorting ; IN: rosetta-code.five-number <PRIVATE : bisect ( seq -- lower upper ) dup length even? [ halves ] [ dup midpoint@ 1 + [ head ] [ tail* ] 2bi ] if ; : (fivenum) ( seq -- summary ) natural-sort { [ infimum ] [ bisect drop median ] [ median ] [ bisect nip median ] [ supremum ] } cleave>array ; PRIVATE> ERROR: fivenum-empty data ; ERROR: fivenum-nan data ; : fivenum ( seq -- summary ) { { [ dup empty? ] [ fivenum-empty ] } { [ dup [ fp-nan? ] any? ] [ fivenum-nan ] } [ (fivenum) ] } cond ; : fivenum-demo ( -- ) { 15 6 42 41 7 36 49 40 39 47 43 } { 36 40 7 39 41 15 } { 0.14082834 0.09748790 1.73131507 0.87636009 -1.95059594 0.73438555 -0.03035726 1.46675970 -0.74621349 -0.72588772 0.63905160 0.61501527 -0.98983780 -1.00447874 -0.62759469 0.66206163 1.04312009 -0.10305385 0.75775634 0.32566578 } [ fivenum . ] tri@ ; MAIN: fivenum-demo
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Translate the given Factor code snippet into Python without altering its behavior.
USING: combinators combinators.smart kernel math math.statistics prettyprint sequences sorting ; IN: rosetta-code.five-number <PRIVATE : bisect ( seq -- lower upper ) dup length even? [ halves ] [ dup midpoint@ 1 + [ head ] [ tail* ] 2bi ] if ; : (fivenum) ( seq -- summary ) natural-sort { [ infimum ] [ bisect drop median ] [ median ] [ bisect nip median ] [ supremum ] } cleave>array ; PRIVATE> ERROR: fivenum-empty data ; ERROR: fivenum-nan data ; : fivenum ( seq -- summary ) { { [ dup empty? ] [ fivenum-empty ] } { [ dup [ fp-nan? ] any? ] [ fivenum-nan ] } [ (fivenum) ] } cond ; : fivenum-demo ( -- ) { 15 6 42 41 7 36 49 40 39 47 43 } { 36 40 7 39 41 15 } { 0.14082834 0.09748790 1.73131507 0.87636009 -1.95059594 0.73438555 -0.03035726 1.46675970 -0.74621349 -0.72588772 0.63905160 0.61501527 -0.98983780 -1.00447874 -0.62759469 0.66206163 1.04312009 -0.10305385 0.75775634 0.32566578 } [ fivenum . ] tri@ ; MAIN: fivenum-demo
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Translate the given Factor code snippet into Python without altering its behavior.
USING: combinators combinators.smart kernel math math.statistics prettyprint sequences sorting ; IN: rosetta-code.five-number <PRIVATE : bisect ( seq -- lower upper ) dup length even? [ halves ] [ dup midpoint@ 1 + [ head ] [ tail* ] 2bi ] if ; : (fivenum) ( seq -- summary ) natural-sort { [ infimum ] [ bisect drop median ] [ median ] [ bisect nip median ] [ supremum ] } cleave>array ; PRIVATE> ERROR: fivenum-empty data ; ERROR: fivenum-nan data ; : fivenum ( seq -- summary ) { { [ dup empty? ] [ fivenum-empty ] } { [ dup [ fp-nan? ] any? ] [ fivenum-nan ] } [ (fivenum) ] } cond ; : fivenum-demo ( -- ) { 15 6 42 41 7 36 49 40 39 47 43 } { 36 40 7 39 41 15 } { 0.14082834 0.09748790 1.73131507 0.87636009 -1.95059594 0.73438555 -0.03035726 1.46675970 -0.74621349 -0.72588772 0.63905160 0.61501527 -0.98983780 -1.00447874 -0.62759469 0.66206163 1.04312009 -0.10305385 0.75775634 0.32566578 } [ fivenum . ] tri@ ; MAIN: fivenum-demo
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Port the following code from Factor to VB with equivalent syntax and logic.
USING: combinators combinators.smart kernel math math.statistics prettyprint sequences sorting ; IN: rosetta-code.five-number <PRIVATE : bisect ( seq -- lower upper ) dup length even? [ halves ] [ dup midpoint@ 1 + [ head ] [ tail* ] 2bi ] if ; : (fivenum) ( seq -- summary ) natural-sort { [ infimum ] [ bisect drop median ] [ median ] [ bisect nip median ] [ supremum ] } cleave>array ; PRIVATE> ERROR: fivenum-empty data ; ERROR: fivenum-nan data ; : fivenum ( seq -- summary ) { { [ dup empty? ] [ fivenum-empty ] } { [ dup [ fp-nan? ] any? ] [ fivenum-nan ] } [ (fivenum) ] } cond ; : fivenum-demo ( -- ) { 15 6 42 41 7 36 49 40 39 47 43 } { 36 40 7 39 41 15 } { 0.14082834 0.09748790 1.73131507 0.87636009 -1.95059594 0.73438555 -0.03035726 1.46675970 -0.74621349 -0.72588772 0.63905160 0.61501527 -0.98983780 -1.00447874 -0.62759469 0.66206163 1.04312009 -0.10305385 0.75775634 0.32566578 } [ fivenum . ] tri@ ; MAIN: fivenum-demo
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Maintain the same structure and functionality when rewriting this code in VB.
USING: combinators combinators.smart kernel math math.statistics prettyprint sequences sorting ; IN: rosetta-code.five-number <PRIVATE : bisect ( seq -- lower upper ) dup length even? [ halves ] [ dup midpoint@ 1 + [ head ] [ tail* ] 2bi ] if ; : (fivenum) ( seq -- summary ) natural-sort { [ infimum ] [ bisect drop median ] [ median ] [ bisect nip median ] [ supremum ] } cleave>array ; PRIVATE> ERROR: fivenum-empty data ; ERROR: fivenum-nan data ; : fivenum ( seq -- summary ) { { [ dup empty? ] [ fivenum-empty ] } { [ dup [ fp-nan? ] any? ] [ fivenum-nan ] } [ (fivenum) ] } cond ; : fivenum-demo ( -- ) { 15 6 42 41 7 36 49 40 39 47 43 } { 36 40 7 39 41 15 } { 0.14082834 0.09748790 1.73131507 0.87636009 -1.95059594 0.73438555 -0.03035726 1.46675970 -0.74621349 -0.72588772 0.63905160 0.61501527 -0.98983780 -1.00447874 -0.62759469 0.66206163 1.04312009 -0.10305385 0.75775634 0.32566578 } [ fivenum . ] tri@ ; MAIN: fivenum-demo
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Preserve the algorithm and functionality while converting the code from Factor to Go.
USING: combinators combinators.smart kernel math math.statistics prettyprint sequences sorting ; IN: rosetta-code.five-number <PRIVATE : bisect ( seq -- lower upper ) dup length even? [ halves ] [ dup midpoint@ 1 + [ head ] [ tail* ] 2bi ] if ; : (fivenum) ( seq -- summary ) natural-sort { [ infimum ] [ bisect drop median ] [ median ] [ bisect nip median ] [ supremum ] } cleave>array ; PRIVATE> ERROR: fivenum-empty data ; ERROR: fivenum-nan data ; : fivenum ( seq -- summary ) { { [ dup empty? ] [ fivenum-empty ] } { [ dup [ fp-nan? ] any? ] [ fivenum-nan ] } [ (fivenum) ] } cond ; : fivenum-demo ( -- ) { 15 6 42 41 7 36 49 40 39 47 43 } { 36 40 7 39 41 15 } { 0.14082834 0.09748790 1.73131507 0.87636009 -1.95059594 0.73438555 -0.03035726 1.46675970 -0.74621349 -0.72588772 0.63905160 0.61501527 -0.98983780 -1.00447874 -0.62759469 0.66206163 1.04312009 -0.10305385 0.75775634 0.32566578 } [ fivenum . ] tri@ ; MAIN: fivenum-demo
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Keep all operations the same but rewrite the snippet in Go.
USING: combinators combinators.smart kernel math math.statistics prettyprint sequences sorting ; IN: rosetta-code.five-number <PRIVATE : bisect ( seq -- lower upper ) dup length even? [ halves ] [ dup midpoint@ 1 + [ head ] [ tail* ] 2bi ] if ; : (fivenum) ( seq -- summary ) natural-sort { [ infimum ] [ bisect drop median ] [ median ] [ bisect nip median ] [ supremum ] } cleave>array ; PRIVATE> ERROR: fivenum-empty data ; ERROR: fivenum-nan data ; : fivenum ( seq -- summary ) { { [ dup empty? ] [ fivenum-empty ] } { [ dup [ fp-nan? ] any? ] [ fivenum-nan ] } [ (fivenum) ] } cond ; : fivenum-demo ( -- ) { 15 6 42 41 7 36 49 40 39 47 43 } { 36 40 7 39 41 15 } { 0.14082834 0.09748790 1.73131507 0.87636009 -1.95059594 0.73438555 -0.03035726 1.46675970 -0.74621349 -0.72588772 0.63905160 0.61501527 -0.98983780 -1.00447874 -0.62759469 0.66206163 1.04312009 -0.10305385 0.75775634 0.32566578 } [ fivenum . ] tri@ ; MAIN: fivenum-demo
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Generate an equivalent C version of this Groovy code.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Produce a language-to-language conversion: from Groovy to C, same semantics.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Rewrite the snippet below in C# so it works the same as the original Groovy code.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Change the programming language of this snippet from Groovy to C# without modifying what it does.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Rewrite the snippet below in C++ so it works the same as the original Groovy code.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Generate a C++ translation of this Groovy snippet without changing its computational steps.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Generate an equivalent Java version of this Groovy code.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Rewrite the snippet below in Java so it works the same as the original Groovy code.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Can you help me rewrite this code in Python instead of Groovy, keeping it the same logically?
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Ensure the translated Python code behaves exactly like the original Groovy snippet.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Port the provided Groovy code into VB while preserving the original functionality.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Rewrite the snippet below in VB so it works the same as the original Groovy code.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Produce a functionally identical Go code for the snippet given in Groovy.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Please provide an equivalent version of this Groovy code in Go.
class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1 if (size <= 0) { throw new IllegalArgumentException("Array slice cannot be empty") } int m = start + (int) (size / 2) return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0 } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) { throw new IllegalArgumentException("Unable to deal with arrays containing NaN") } } double[] result = new double[5] Arrays.sort(x) result[0] = x[0] result[2] = median(x, 0, x.length - 1) result[4] = x[x.length - 1] int m = (int) (x.length / 2) int lowerEnd = (x.length % 2 == 1) ? m : m - 1 result[1] = median(x, 0, lowerEnd) result[3] = median(x, m, x.length - 1) return result } static void main(String[] args) { double[][] xl = [ [15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ] ] for (double[] x : xl) { println("${fivenum(x)}") } } }
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Rewrite this program in C while keeping its functionality equivalent to the Haskell version.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Write the same algorithm in C as shown in this Haskell implementation.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Write a version of this Haskell function in C# with identical behavior.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Port the provided Haskell code into C# while preserving the original functionality.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Produce a language-to-language conversion: from Haskell to C++, same semantics.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Convert this Haskell snippet to C++ and keep its semantics consistent.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Transform the following Haskell implementation into Java, maintaining the same output and logic.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Please provide an equivalent version of this Haskell code in Java.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Write the same algorithm in Python as shown in this Haskell implementation.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Maintain the same structure and functionality when rewriting this code in Python.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Rewrite this program in VB while keeping its functionality equivalent to the Haskell version.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Generate a Go translation of this Haskell snippet without changing its computational steps.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Preserve the algorithm and functionality while converting the code from Haskell to Go.
import Data.List (sort) fivenum :: [Double] -> [Double] fivenum [] = [] fivenum xs | l >= 5 = fmap ( (/ 2) . ( (+) . (!!) s . floor <*> (!!) s . ceiling ) . pred ) [1, q, succ l / 2, succ l - q, l] | otherwise = s where l = realToFrac $ length xs q = realToFrac (floor $ (l + 3) / 2) / 2 s = sort xs main :: IO () main = print $ fivenum [ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 ]
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Port the provided J code into C while preserving the original functionality.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Ensure the translated C code behaves exactly like the original J snippet.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Write a version of this J function in C# with identical behavior.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Keep all operations the same but rewrite the snippet in C#.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Port the provided J code into C++ while preserving the original functionality.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Transform the following J implementation into C++, maintaining the same output and logic.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Port the provided J code into Java while preserving the original functionality.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Produce a functionally identical Java code for the snippet given in J.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Produce a functionally identical Python code for the snippet given in J.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Translate the given J code snippet into Python without altering its behavior.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Convert the following code from J to VB, ensuring the logic remains intact.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Change the programming language of this snippet from J to VB without modifying what it does.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Write the same code in Go as shown below in J.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Generate a Go translation of this J snippet without changing its computational steps.
midpts=: (1 + #) <:@(] , -:@[ , -) -:@<.@-:@(3 + #) quartiles=: -:@(+/)@((<. ,: >.)@midpts { /:~@]) fivenum=: <./ , quartiles , >./
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Convert this Julia snippet to C and keep its semantics consistent.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Preserve the algorithm and functionality while converting the code from Julia to C.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Produce a language-to-language conversion: from Julia to C#, same semantics.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Rewrite the snippet below in C# so it works the same as the original Julia code.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Please provide an equivalent version of this Julia code in C++.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Produce a functionally identical C++ code for the snippet given in Julia.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Generate a Java translation of this Julia snippet without changing its computational steps.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Change the following Julia code into Java without altering its purpose.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Produce a functionally identical Python code for the snippet given in Julia.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Produce a functionally identical Python code for the snippet given in Julia.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Can you help me rewrite this code in VB instead of Julia, keeping it the same logically?
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Change the programming language of this snippet from Julia to VB without modifying what it does.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Produce a functionally identical Go code for the snippet given in Julia.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Translate this program into Go but keep the logic exactly as in Julia.
function mediansorted(x::AbstractVector{T}, i::Integer, l::Integer)::T where T len = l - i + 1 len > zero(len) || throw(ArgumentError("Array slice cannot be empty.")) mid = i + len ÷ 2 return isodd(len) ? x[mid] : (x[mid-1] + x[mid]) / 2 end function fivenum(x::AbstractVector{T}) where T<:AbstractFloat r = Vector{T}(5) xs = sort(x) mid::Int = length(xs) ÷ 2 lowerend::Int = isodd(length(xs)) ? mid : mid - 1 r[1] = xs[1] r[2] = mediansorted(xs, 1, lowerend) r[3] = mediansorted(xs, 1, endof(xs)) r[4] = mediansorted(xs, mid, endof(xs)) r[end] = xs[end] return r end for v in ([15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0], [36.0, 40.0, 7.0, 39.0, 41.0, 15.0], [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578]) println(" end
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Produce a language-to-language conversion: from Lua to C, same semantics.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Rewrite the snippet below in C so it works the same as the original Lua code.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Convert this Lua snippet to C# and keep its semantics consistent.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Rewrite this program in C# while keeping its functionality equivalent to the Lua version.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Rewrite this program in C++ while keeping its functionality equivalent to the Lua version.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Maintain the same structure and functionality when rewriting this code in C++.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Port the provided Lua code into Java while preserving the original functionality.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Maintain the same structure and functionality when rewriting this code in Java.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Rewrite this program in Python while keeping its functionality equivalent to the Lua version.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Generate an equivalent Python version of this Lua code.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Write the same code in VB as shown below in Lua.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Translate this program into VB but keep the logic exactly as in Lua.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Maintain the same structure and functionality when rewriting this code in Go.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Ensure the translated Go code behaves exactly like the original Lua snippet.
function slice(tbl, low, high) local copy = {} for i=low or 1, high or #tbl do copy[#copy+1] = tbl[i] end return copy end function median(tbl) m = math.floor(#tbl / 2) + 1 if #tbl % 2 == 1 then return tbl[m] end return (tbl[m-1] + tbl[m]) / 2 end function fivenum(tbl) table.sort(tbl) r0 = tbl[1] r2 = median(tbl) r4 = tbl[#tbl] m = math.floor(#tbl / 2) if #tbl % 2 == 1 then low = m else low = m - 1 end r1 = median(slice(tbl, nil, low+1)) r3 = median(slice(tbl, low+2, nil)) return r0, r1, r2, r3, r4 end x1 = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } } for i,x in ipairs(x1) do print(fivenum(x)) end
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Convert the following code from Mathematica to C, ensuring the logic remains intact.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Write the same algorithm in C as shown in this Mathematica implementation.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Keep all operations the same but rewrite the snippet in C#.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Port the following code from Mathematica to C# with equivalent syntax and logic.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Write the same code in C++ as shown below in Mathematica.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Preserve the algorithm and functionality while converting the code from Mathematica to C++.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Rewrite this program in Java while keeping its functionality equivalent to the Mathematica version.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Generate a Java translation of this Mathematica snippet without changing its computational steps.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Change the programming language of this snippet from Mathematica to Python without modifying what it does.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Translate the given Mathematica code snippet into Python without altering its behavior.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
from __future__ import division import math import sys def fivenum(array): n = len(array) if n == 0: print("you entered an empty array.") sys.exit() x = sorted(array) n4 = math.floor((n+3.0)/2.0)/2.0 d = [1, n4, (n+1)/2, n+1-n4, n] sum_array = [] for e in range(5): floor = int(math.floor(d[e] - 1)) ceil = int(math.ceil(d[e] - 1)) sum_array.append(0.5 * (x[floor] + x[ceil])) return sum_array x = [0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578] y = fivenum(x) print(y)
Preserve the algorithm and functionality while converting the code from Mathematica to VB.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Port the provided Mathematica code into VB while preserving the original functionality.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
#define floor(x) ((x*2.0-0.5) Shr 1) Sub rapidSort (array()As Single, l As Integer, r As Integer) Dim As Integer n, wert, nptr, rep Dim As Single arr, LoVal = array(l), HiVal = array(r) For n = l To r If LoVal > array(n) Then LoVal = array(n) If HiVal < array(n) Then HiVal = array(n) Next n Redim SortArray(LoVal To HiVal) As Single For n = l To r wert = array(n) SortArray(wert) += 1 Next n nptr = l-1 For arr = LoVal To HiVal rep = SortArray(arr) For n = 1 To rep nptr += 1 array(nptr) = arr Next n Next arr Erase SortArray End Sub Function median(tbl() As Single, lo As Integer, hi As Integer) As Single Dim As Integer l = hi-lo+1 Dim As Integer m = lo+floor(l/2) If l Mod 2 = 1 Then Return tbl(m) Return (tbl(m-1)+tbl(m))/2 End Function Sub fivenum(tbl() As Single) rapidSort(tbl(), Lbound(tbl), Ubound(tbl)) Dim As Integer l = Ubound(tbl) Dim As Single m = floor(l/2) + (l Mod 2) Dim As Single r1,r2,r3,r4,r5 r1 = tbl(1) r2 = median(tbl(),1,m) r3 = median(tbl(),1,l) r4 = median(tbl(),m+1,l) r5 = tbl(l) Print "[" & r1; ","; r2; ","; r3; ","; r4; ", "; r5 & "]" End Sub Dim As Single x1(1 To ...) = {15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} Dim As Single x2(1 To ...) = {36, 40, 7, 39, 41, 15} Dim As Single x3(1 To ...) = {_ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, _ 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, _ 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, _ 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578} fivenum(x1()) fivenum(x2()) fivenum(x3()) Sleep
Ensure the translated Go code behaves exactly like the original Mathematica snippet.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Transform the following Mathematica implementation into Go, maintaining the same output and logic.
ClearAll[FiveNum] FiveNum[x_List] := Quantile[x, Range[0, 1, 1/4]] FiveNum[RandomVariate[NormalDistribution[], 10000]]
package main import ( "fmt" "math" "sort" ) func fivenum(a []float64) (n5 [5]float64) { sort.Float64s(a) n := float64(len(a)) n4 := float64((len(a)+3)/2) / 2 d := []float64{1, n4, (n + 1) / 2, n + 1 - n4, n} for e, de := range d { floor := int(de - 1) ceil := int(math.Ceil(de - 1)) n5[e] = .5 * (a[floor] + a[ceil]) } return } var ( x1 = []float64{36, 40, 7, 39, 41, 15} x2 = []float64{15, 6, 42, 41, 7, 36, 49, 40, 39, 47, 43} x3 = []float64{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578, } ) func main() { fmt.Println(fivenum(x1)) fmt.Println(fivenum(x2)) fmt.Println(fivenum(x3)) }
Generate an equivalent C version of this MATLAB code.
function r = fivenum(x) r = quantile(x,[0:4]/4); end;
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Convert the following code from MATLAB to C, ensuring the logic remains intact.
function r = fivenum(x) r = quantile(x,[0:4]/4); end;
#include <stdio.h> #include <stdlib.h> double median(double *x, int start, int end_inclusive) { int size = end_inclusive - start + 1; if (size <= 0) { printf("Array slice cannot be empty\n"); exit(1); } int m = start + size / 2; if (size % 2) return x[m]; return (x[m - 1] + x[m]) / 2.0; } int compare (const void *a, const void *b) { double aa = *(double*)a; double bb = *(double*)b; if (aa > bb) return 1; if (aa < bb) return -1; return 0; } int fivenum(double *x, double *result, int x_len) { int i, m, lower_end; for (i = 0; i < x_len; i++) { if (x[i] != x[i]) { printf("Unable to deal with arrays containing NaN\n\n"); return 1; } } qsort(x, x_len, sizeof(double), compare); result[0] = x[0]; result[2] = median(x, 0, x_len - 1); result[4] = x[x_len - 1]; m = x_len / 2; lower_end = (x_len % 2) ? m : m - 1; result[1] = median(x, 0, lower_end); result[3] = median(x, m, x_len - 1); return 0; } int show(double *result, int places) { int i; char f[7]; sprintf(f, "%%.%dlf", places); printf("["); for (i = 0; i < 5; i++) { printf(f, result[i]); if (i < 4) printf(", "); } printf("]\n\n"); } int main() { double result[5]; double x1[11] = {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}; if (!fivenum(x1, result, 11)) show(result, 1); double x2[6] = {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}; if (!fivenum(x2, result, 6)) show(result, 1); double x3[20] = { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }; if (!fivenum(x3, result, 20)) show(result, 9); return 0; }
Port the following code from MATLAB to C# with equivalent syntax and logic.
function r = fivenum(x) r = quantile(x,[0:4]/4); end;
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Translate the given MATLAB code snippet into C# without altering its behavior.
function r = fivenum(x) r = quantile(x,[0:4]/4); end;
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Fivenum { public static class Helper { public static string AsString<T>(this ICollection<T> c, string format = "{0}") { StringBuilder sb = new StringBuilder("["); int count = 0; foreach (var t in c) { if (count++ > 0) { sb.Append(", "); } sb.AppendFormat(format, t); } return sb.Append("]").ToString(); } } class Program { static double Median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new ArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] Fivenum(double[] x) { foreach (var d in x) { if (Double.IsNaN(d)) { throw new ArgumentException("Unable to deal with arrays containing NaN"); } } double[] result = new double[5]; Array.Sort(x); result[0] = x.First(); result[2] = Median(x, 0, x.Length - 1); result[4] = x.Last(); int m = x.Length / 2; int lowerEnd = (x.Length % 2 == 1) ? m : m - 1; result[1] = Median(x, 0, lowerEnd); result[3] = Median(x, m, x.Length - 1); return result; } static void Main(string[] args) { double[][] x1 = new double[][]{ new double[]{ 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, new double[]{ 36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, new double[]{ 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 }, }; foreach(var x in x1) { var result = Fivenum(x); Console.WriteLine(result.AsString("{0:F8}")); } } } }
Rewrite the snippet below in C++ so it works the same as the original MATLAB code.
function r = fivenum(x) r = quantile(x,[0:4]/4); end;
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Convert this MATLAB block to C++, preserving its control flow and logic.
function r = fivenum(x) r = quantile(x,[0:4]/4); end;
#include <algorithm> #include <iostream> #include <ostream> #include <vector> template<std::size_t> struct int_ {}; template <class Tuple, size_t Pos> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<Pos>) { out << std::get< std::tuple_size<Tuple>::value - Pos >(t) << ", "; return print_tuple(out, t, int_<Pos - 1>()); } template <class Tuple> std::ostream& print_tuple(std::ostream& out, const Tuple& t, int_<1>) { return out << std::get<std::tuple_size<Tuple>::value - 1>(t); } template <class... Args> std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& t) { out << '('; print_tuple(out, t, int_<sizeof...(Args)>()); return out << ')'; } template <class RI> double median(RI beg, RI end) { if (beg == end) throw std::runtime_error("Range cannot be empty"); auto len = end - beg; auto m = len / 2; if (len % 2 == 1) { return *(beg + m); } return (beg[m - 1] + beg[m]) / 2.0; } template <class C> auto fivenum(C& c) { std::sort(c.begin(), c.end()); auto cbeg = c.cbegin(); auto cend = c.cend(); auto len = cend - cbeg; auto m = len / 2; auto lower = (len % 2 == 1) ? m : m - 1; double r2 = median(cbeg, cbeg + lower + 1); double r3 = median(cbeg, cend); double r4 = median(cbeg + lower + 1, cend); return std::make_tuple(*cbeg, r2, r3, r4, *(cend - 1)); } int main() { using namespace std; vector<vector<double>> cs = { { 15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0 }, { 36.0, 40.0, 7.0, 39.0, 41.0, 15.0 }, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (auto & c : cs) { cout << fivenum(c) << endl; } return 0; }
Preserve the algorithm and functionality while converting the code from MATLAB to Java.
function r = fivenum(x) r = quantile(x,[0:4]/4); end;
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }
Generate an equivalent Java version of this MATLAB code.
function r = fivenum(x) r = quantile(x,[0:4]/4); end;
import java.util.Arrays; public class Fivenum { static double median(double[] x, int start, int endInclusive) { int size = endInclusive - start + 1; if (size <= 0) throw new IllegalArgumentException("Array slice cannot be empty"); int m = start + size / 2; return (size % 2 == 1) ? x[m] : (x[m - 1] + x[m]) / 2.0; } static double[] fivenum(double[] x) { for (Double d : x) { if (d.isNaN()) throw new IllegalArgumentException("Unable to deal with arrays containing NaN"); } double[] result = new double[5]; Arrays.sort(x); result[0] = x[0]; result[2] = median(x, 0, x.length - 1); result[4] = x[x.length - 1]; int m = x.length / 2; int lowerEnd = (x.length % 2 == 1) ? m : m - 1; result[1] = median(x, 0, lowerEnd); result[3] = median(x, m, x.length - 1); return result; } public static void main(String[] args) { double xl[][] = { {15.0, 6.0, 42.0, 41.0, 7.0, 36.0, 49.0, 40.0, 39.0, 47.0, 43.0}, {36.0, 40.0, 7.0, 39.0, 41.0, 15.0}, { 0.14082834, 0.09748790, 1.73131507, 0.87636009, -1.95059594, 0.73438555, -0.03035726, 1.46675970, -0.74621349, -0.72588772, 0.63905160, 0.61501527, -0.98983780, -1.00447874, -0.62759469, 0.66206163, 1.04312009, -0.10305385, 0.75775634, 0.32566578 } }; for (double[] x : xl) System.out.printf("%s\n\n", Arrays.toString(fivenum(x))); } }