Instruction
stringlengths
45
106
input_code
stringlengths
1
13.7k
output_code
stringlengths
1
13.7k
Translate the given F# code snippet into VB without altering its behavior.
let nthroot n A = let rec f x = let m = n - 1. let x' = (m * x + A/x**m) / n match abs(x' - x) with | t when t < abs(x * 1e-9) -> x' | _ -> f x' f (A / double n) [<EntryPoint>] let main args = if args.Length <> 2 then eprintfn "usage: nthroot n A" exit 1 let (b, n) = System.Double.TryParse(args.[0]) let (b', A) = System.Double.TryParse(args.[1]) if (not b) || (not b') then eprintfn "error: parameter must be a number" exit 1 printf "%A" (nthroot n A) 0
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Preserve the algorithm and functionality while converting the code from F# to Go.
let nthroot n A = let rec f x = let m = n - 1. let x' = (m * x + A/x**m) / n match abs(x' - x) with | t when t < abs(x * 1e-9) -> x' | _ -> f x' f (A / double n) [<EntryPoint>] let main args = if args.Length <> 2 then eprintfn "usage: nthroot n A" exit 1 let (b, n) = System.Double.TryParse(args.[0]) let (b', A) = System.Double.TryParse(args.[1]) if (not b) || (not b') then eprintfn "error: parameter must be a number" exit 1 printf "%A" (nthroot n A) 0
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Keep all operations the same but rewrite the snippet in C.
USING: kernel locals math math.functions prettyprint ; :: th-root ( a n -- a^1/n ) a [ a over n 1 - ^ /f over n 1 - * + n /f swap over 1e-5 ~ not ] loop ; 34 5 th-root . 34 5 recip ^ .
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Translate the given Factor code snippet into C# without altering its behavior.
USING: kernel locals math math.functions prettyprint ; :: th-root ( a n -- a^1/n ) a [ a over n 1 - ^ /f over n 1 - * + n /f swap over 1e-5 ~ not ] loop ; 34 5 th-root . 34 5 recip ^ .
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Rewrite the snippet below in C++ so it works the same as the original Factor code.
USING: kernel locals math math.functions prettyprint ; :: th-root ( a n -- a^1/n ) a [ a over n 1 - ^ /f over n 1 - * + n /f swap over 1e-5 ~ not ] loop ; 34 5 th-root . 34 5 recip ^ .
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Change the following Factor code into Java without altering its purpose.
USING: kernel locals math math.functions prettyprint ; :: th-root ( a n -- a^1/n ) a [ a over n 1 - ^ /f over n 1 - * + n /f swap over 1e-5 ~ not ] loop ; 34 5 th-root . 34 5 recip ^ .
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Maintain the same structure and functionality when rewriting this code in Python.
USING: kernel locals math math.functions prettyprint ; :: th-root ( a n -- a^1/n ) a [ a over n 1 - ^ /f over n 1 - * + n /f swap over 1e-5 ~ not ] loop ; 34 5 th-root . 34 5 recip ^ .
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Generate a VB translation of this Factor snippet without changing its computational steps.
USING: kernel locals math math.functions prettyprint ; :: th-root ( a n -- a^1/n ) a [ a over n 1 - ^ /f over n 1 - * + n /f swap over 1e-5 ~ not ] loop ; 34 5 th-root . 34 5 recip ^ .
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Produce a functionally identical Go code for the snippet given in Factor.
USING: kernel locals math math.functions prettyprint ; :: th-root ( a n -- a^1/n ) a [ a over n 1 - ^ /f over n 1 - * + n /f swap over 1e-5 ~ not ] loop ; 34 5 th-root . 34 5 recip ^ .
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Produce a language-to-language conversion: from Forth to C, same semantics.
: th-root { F: a F: n -- a^1/n } a begin a fover n 1e f- f** f/ fover n 1e f- f* f+ n f/ fswap fover 1e-5 f~ until ; 34e 5e th-root f. 34e 5e 1/f f** f.
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Convert the following code from Forth to C#, ensuring the logic remains intact.
: th-root { F: a F: n -- a^1/n } a begin a fover n 1e f- f** f/ fover n 1e f- f* f+ n f/ fswap fover 1e-5 f~ until ; 34e 5e th-root f. 34e 5e 1/f f** f.
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Rewrite the snippet below in C++ so it works the same as the original Forth code.
: th-root { F: a F: n -- a^1/n } a begin a fover n 1e f- f** f/ fover n 1e f- f* f+ n f/ fswap fover 1e-5 f~ until ; 34e 5e th-root f. 34e 5e 1/f f** f.
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Can you help me rewrite this code in Java instead of Forth, keeping it the same logically?
: th-root { F: a F: n -- a^1/n } a begin a fover n 1e f- f** f/ fover n 1e f- f* f+ n f/ fswap fover 1e-5 f~ until ; 34e 5e th-root f. 34e 5e 1/f f** f.
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Maintain the same structure and functionality when rewriting this code in Python.
: th-root { F: a F: n -- a^1/n } a begin a fover n 1e f- f** f/ fover n 1e f- f* f+ n f/ fswap fover 1e-5 f~ until ; 34e 5e th-root f. 34e 5e 1/f f** f.
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Can you help me rewrite this code in VB instead of Forth, keeping it the same logically?
: th-root { F: a F: n -- a^1/n } a begin a fover n 1e f- f** f/ fover n 1e f- f* f+ n f/ fswap fover 1e-5 f~ until ; 34e 5e th-root f. 34e 5e 1/f f** f.
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Convert this Forth snippet to Go and keep its semantics consistent.
: th-root { F: a F: n -- a^1/n } a begin a fover n 1e f- f** f/ fover n 1e f- f* f+ n f/ fswap fover 1e-5 f~ until ; 34e 5e th-root f. 34e 5e 1/f f** f.
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Generate a C# translation of this Fortran snippet without changing its computational steps.
program NthRootTest implicit none print *, nthroot(10, 7131.5**10) print *, nthroot(5, 34.0) contains function nthroot(n, A, p) real :: nthroot integer, intent(in) :: n real, intent(in) :: A real, intent(in), optional :: p real :: rp, x(2) if ( A < 0 ) then stop "A < 0" elseif ( A == 0 ) then nthroot = 0 return end if if ( present(p) ) then rp = p else rp = 0.001 end if x(1) = A x(2) = A/n do while ( abs(x(2) - x(1)) > rp ) x(1) = x(2) x(2) = ((n-1.0)*x(2) + A/(x(2) ** (n-1.0)))/real(n) end do nthroot = x(2) end function nthroot end program NthRootTest
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Transform the following Fortran implementation into C++, maintaining the same output and logic.
program NthRootTest implicit none print *, nthroot(10, 7131.5**10) print *, nthroot(5, 34.0) contains function nthroot(n, A, p) real :: nthroot integer, intent(in) :: n real, intent(in) :: A real, intent(in), optional :: p real :: rp, x(2) if ( A < 0 ) then stop "A < 0" elseif ( A == 0 ) then nthroot = 0 return end if if ( present(p) ) then rp = p else rp = 0.001 end if x(1) = A x(2) = A/n do while ( abs(x(2) - x(1)) > rp ) x(1) = x(2) x(2) = ((n-1.0)*x(2) + A/(x(2) ** (n-1.0)))/real(n) end do nthroot = x(2) end function nthroot end program NthRootTest
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Port the following code from Fortran to C with equivalent syntax and logic.
program NthRootTest implicit none print *, nthroot(10, 7131.5**10) print *, nthroot(5, 34.0) contains function nthroot(n, A, p) real :: nthroot integer, intent(in) :: n real, intent(in) :: A real, intent(in), optional :: p real :: rp, x(2) if ( A < 0 ) then stop "A < 0" elseif ( A == 0 ) then nthroot = 0 return end if if ( present(p) ) then rp = p else rp = 0.001 end if x(1) = A x(2) = A/n do while ( abs(x(2) - x(1)) > rp ) x(1) = x(2) x(2) = ((n-1.0)*x(2) + A/(x(2) ** (n-1.0)))/real(n) end do nthroot = x(2) end function nthroot end program NthRootTest
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Maintain the same structure and functionality when rewriting this code in Go.
program NthRootTest implicit none print *, nthroot(10, 7131.5**10) print *, nthroot(5, 34.0) contains function nthroot(n, A, p) real :: nthroot integer, intent(in) :: n real, intent(in) :: A real, intent(in), optional :: p real :: rp, x(2) if ( A < 0 ) then stop "A < 0" elseif ( A == 0 ) then nthroot = 0 return end if if ( present(p) ) then rp = p else rp = 0.001 end if x(1) = A x(2) = A/n do while ( abs(x(2) - x(1)) > rp ) x(1) = x(2) x(2) = ((n-1.0)*x(2) + A/(x(2) ** (n-1.0)))/real(n) end do nthroot = x(2) end function nthroot end program NthRootTest
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Write the same code in Java as shown below in Fortran.
program NthRootTest implicit none print *, nthroot(10, 7131.5**10) print *, nthroot(5, 34.0) contains function nthroot(n, A, p) real :: nthroot integer, intent(in) :: n real, intent(in) :: A real, intent(in), optional :: p real :: rp, x(2) if ( A < 0 ) then stop "A < 0" elseif ( A == 0 ) then nthroot = 0 return end if if ( present(p) ) then rp = p else rp = 0.001 end if x(1) = A x(2) = A/n do while ( abs(x(2) - x(1)) > rp ) x(1) = x(2) x(2) = ((n-1.0)*x(2) + A/(x(2) ** (n-1.0)))/real(n) end do nthroot = x(2) end function nthroot end program NthRootTest
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Convert this Fortran snippet to Python and keep its semantics consistent.
program NthRootTest implicit none print *, nthroot(10, 7131.5**10) print *, nthroot(5, 34.0) contains function nthroot(n, A, p) real :: nthroot integer, intent(in) :: n real, intent(in) :: A real, intent(in), optional :: p real :: rp, x(2) if ( A < 0 ) then stop "A < 0" elseif ( A == 0 ) then nthroot = 0 return end if if ( present(p) ) then rp = p else rp = 0.001 end if x(1) = A x(2) = A/n do while ( abs(x(2) - x(1)) > rp ) x(1) = x(2) x(2) = ((n-1.0)*x(2) + A/(x(2) ** (n-1.0)))/real(n) end do nthroot = x(2) end function nthroot end program NthRootTest
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Convert the following code from Fortran to PHP, ensuring the logic remains intact.
program NthRootTest implicit none print *, nthroot(10, 7131.5**10) print *, nthroot(5, 34.0) contains function nthroot(n, A, p) real :: nthroot integer, intent(in) :: n real, intent(in) :: A real, intent(in), optional :: p real :: rp, x(2) if ( A < 0 ) then stop "A < 0" elseif ( A == 0 ) then nthroot = 0 return end if if ( present(p) ) then rp = p else rp = 0.001 end if x(1) = A x(2) = A/n do while ( abs(x(2) - x(1)) > rp ) x(1) = x(2) x(2) = ((n-1.0)*x(2) + A/(x(2) ** (n-1.0)))/real(n) end do nthroot = x(2) end function nthroot end program NthRootTest
function nthroot($number, $root, $p = P) { $x[0] = $number; $x[1] = $number/$root; while(abs($x[1]-$x[0]) > $p) { $x[0] = $x[1]; $x[1] = (($root-1)*$x[1] + $number/pow($x[1], $root-1))/$root; } return $x[1]; }
Write a version of this Groovy function in C with identical behavior.
import static Constants.tolerance import static java.math.RoundingMode.HALF_UP def root(double base, double n) { double xOld = 1 double xNew = 0 while (true) { xNew = ((n - 1) * xOld + base/(xOld)**(n - 1))/n if ((xNew - xOld).abs() < tolerance) { break } xOld = xNew } (xNew as BigDecimal).setScale(7, HALF_UP) }
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Preserve the algorithm and functionality while converting the code from Groovy to C#.
import static Constants.tolerance import static java.math.RoundingMode.HALF_UP def root(double base, double n) { double xOld = 1 double xNew = 0 while (true) { xNew = ((n - 1) * xOld + base/(xOld)**(n - 1))/n if ((xNew - xOld).abs() < tolerance) { break } xOld = xNew } (xNew as BigDecimal).setScale(7, HALF_UP) }
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Port the following code from Groovy to C++ with equivalent syntax and logic.
import static Constants.tolerance import static java.math.RoundingMode.HALF_UP def root(double base, double n) { double xOld = 1 double xNew = 0 while (true) { xNew = ((n - 1) * xOld + base/(xOld)**(n - 1))/n if ((xNew - xOld).abs() < tolerance) { break } xOld = xNew } (xNew as BigDecimal).setScale(7, HALF_UP) }
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Ensure the translated Java code behaves exactly like the original Groovy snippet.
import static Constants.tolerance import static java.math.RoundingMode.HALF_UP def root(double base, double n) { double xOld = 1 double xNew = 0 while (true) { xNew = ((n - 1) * xOld + base/(xOld)**(n - 1))/n if ((xNew - xOld).abs() < tolerance) { break } xOld = xNew } (xNew as BigDecimal).setScale(7, HALF_UP) }
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Convert this Groovy block to Python, preserving its control flow and logic.
import static Constants.tolerance import static java.math.RoundingMode.HALF_UP def root(double base, double n) { double xOld = 1 double xNew = 0 while (true) { xNew = ((n - 1) * xOld + base/(xOld)**(n - 1))/n if ((xNew - xOld).abs() < tolerance) { break } xOld = xNew } (xNew as BigDecimal).setScale(7, HALF_UP) }
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Write the same algorithm in VB as shown in this Groovy implementation.
import static Constants.tolerance import static java.math.RoundingMode.HALF_UP def root(double base, double n) { double xOld = 1 double xNew = 0 while (true) { xNew = ((n - 1) * xOld + base/(xOld)**(n - 1))/n if ((xNew - xOld).abs() < tolerance) { break } xOld = xNew } (xNew as BigDecimal).setScale(7, HALF_UP) }
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Translate the given Groovy code snippet into Go without altering its behavior.
import static Constants.tolerance import static java.math.RoundingMode.HALF_UP def root(double base, double n) { double xOld = 1 double xNew = 0 while (true) { xNew = ((n - 1) * xOld + base/(xOld)**(n - 1))/n if ((xNew - xOld).abs() < tolerance) { break } xOld = xNew } (xNew as BigDecimal).setScale(7, HALF_UP) }
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Ensure the translated C code behaves exactly like the original Haskell snippet.
n `nthRoot` x = fst $ until (uncurry(==)) (\(_,x0) -> (x0,((n-1)*x0+x/x0**(n-1))/n)) (x,x/n)
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Can you help me rewrite this code in C# instead of Haskell, keeping it the same logically?
n `nthRoot` x = fst $ until (uncurry(==)) (\(_,x0) -> (x0,((n-1)*x0+x/x0**(n-1))/n)) (x,x/n)
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Rewrite the snippet below in C++ so it works the same as the original Haskell code.
n `nthRoot` x = fst $ until (uncurry(==)) (\(_,x0) -> (x0,((n-1)*x0+x/x0**(n-1))/n)) (x,x/n)
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Preserve the algorithm and functionality while converting the code from Haskell to Java.
n `nthRoot` x = fst $ until (uncurry(==)) (\(_,x0) -> (x0,((n-1)*x0+x/x0**(n-1))/n)) (x,x/n)
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Write the same algorithm in Python as shown in this Haskell implementation.
n `nthRoot` x = fst $ until (uncurry(==)) (\(_,x0) -> (x0,((n-1)*x0+x/x0**(n-1))/n)) (x,x/n)
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Produce a language-to-language conversion: from Haskell to VB, same semantics.
n `nthRoot` x = fst $ until (uncurry(==)) (\(_,x0) -> (x0,((n-1)*x0+x/x0**(n-1))/n)) (x,x/n)
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Preserve the algorithm and functionality while converting the code from Haskell to Go.
n `nthRoot` x = fst $ until (uncurry(==)) (\(_,x0) -> (x0,((n-1)*x0+x/x0**(n-1))/n)) (x,x/n)
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Translate this program into C but keep the logic exactly as in Icon.
procedure main() showroot(125,3) showroot(27,3) showroot(1024,10) showroot(39.0625,4) showroot(7131.5^10,10) end procedure showroot(a,n) printf("%i-th root of %i = %i\n",n,a,root(a,n)) end procedure root(a,n,p) if n < 0 | type(n) !== "integer" then runerr(101,n) if a < 0 then runerr(205,a) /p := 1e-14 xn := a / real(n) while abs(a - xn^n) > p do xn := ((n - 1) * (xi := xn) + a / (xi ^ (n-1))) / real(n) return xn end link printf
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Write a version of this Icon function in C# with identical behavior.
procedure main() showroot(125,3) showroot(27,3) showroot(1024,10) showroot(39.0625,4) showroot(7131.5^10,10) end procedure showroot(a,n) printf("%i-th root of %i = %i\n",n,a,root(a,n)) end procedure root(a,n,p) if n < 0 | type(n) !== "integer" then runerr(101,n) if a < 0 then runerr(205,a) /p := 1e-14 xn := a / real(n) while abs(a - xn^n) > p do xn := ((n - 1) * (xi := xn) + a / (xi ^ (n-1))) / real(n) return xn end link printf
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Ensure the translated C++ code behaves exactly like the original Icon snippet.
procedure main() showroot(125,3) showroot(27,3) showroot(1024,10) showroot(39.0625,4) showroot(7131.5^10,10) end procedure showroot(a,n) printf("%i-th root of %i = %i\n",n,a,root(a,n)) end procedure root(a,n,p) if n < 0 | type(n) !== "integer" then runerr(101,n) if a < 0 then runerr(205,a) /p := 1e-14 xn := a / real(n) while abs(a - xn^n) > p do xn := ((n - 1) * (xi := xn) + a / (xi ^ (n-1))) / real(n) return xn end link printf
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Preserve the algorithm and functionality while converting the code from Icon to Java.
procedure main() showroot(125,3) showroot(27,3) showroot(1024,10) showroot(39.0625,4) showroot(7131.5^10,10) end procedure showroot(a,n) printf("%i-th root of %i = %i\n",n,a,root(a,n)) end procedure root(a,n,p) if n < 0 | type(n) !== "integer" then runerr(101,n) if a < 0 then runerr(205,a) /p := 1e-14 xn := a / real(n) while abs(a - xn^n) > p do xn := ((n - 1) * (xi := xn) + a / (xi ^ (n-1))) / real(n) return xn end link printf
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Generate a Python translation of this Icon snippet without changing its computational steps.
procedure main() showroot(125,3) showroot(27,3) showroot(1024,10) showroot(39.0625,4) showroot(7131.5^10,10) end procedure showroot(a,n) printf("%i-th root of %i = %i\n",n,a,root(a,n)) end procedure root(a,n,p) if n < 0 | type(n) !== "integer" then runerr(101,n) if a < 0 then runerr(205,a) /p := 1e-14 xn := a / real(n) while abs(a - xn^n) > p do xn := ((n - 1) * (xi := xn) + a / (xi ^ (n-1))) / real(n) return xn end link printf
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Ensure the translated VB code behaves exactly like the original Icon snippet.
procedure main() showroot(125,3) showroot(27,3) showroot(1024,10) showroot(39.0625,4) showroot(7131.5^10,10) end procedure showroot(a,n) printf("%i-th root of %i = %i\n",n,a,root(a,n)) end procedure root(a,n,p) if n < 0 | type(n) !== "integer" then runerr(101,n) if a < 0 then runerr(205,a) /p := 1e-14 xn := a / real(n) while abs(a - xn^n) > p do xn := ((n - 1) * (xi := xn) + a / (xi ^ (n-1))) / real(n) return xn end link printf
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Maintain the same structure and functionality when rewriting this code in Go.
procedure main() showroot(125,3) showroot(27,3) showroot(1024,10) showroot(39.0625,4) showroot(7131.5^10,10) end procedure showroot(a,n) printf("%i-th root of %i = %i\n",n,a,root(a,n)) end procedure root(a,n,p) if n < 0 | type(n) !== "integer" then runerr(101,n) if a < 0 then runerr(205,a) /p := 1e-14 xn := a / real(n) while abs(a - xn^n) > p do xn := ((n - 1) * (xi := xn) + a / (xi ^ (n-1))) / real(n) return xn end link printf
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Change the programming language of this snippet from J to C without modifying what it does.
'`N X NP' =. (0 { [)`(1 { [)`(2 { [) iter =. N %~ (NP * ]) + X % ] ^ NP nth_root =: (, , _1+[) iter^:_ f. ] 10 nth_root 7131.5^10 7131.5
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Write the same code in C# as shown below in J.
'`N X NP' =. (0 { [)`(1 { [)`(2 { [) iter =. N %~ (NP * ]) + X % ] ^ NP nth_root =: (, , _1+[) iter^:_ f. ] 10 nth_root 7131.5^10 7131.5
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Port the following code from J to C++ with equivalent syntax and logic.
'`N X NP' =. (0 { [)`(1 { [)`(2 { [) iter =. N %~ (NP * ]) + X % ] ^ NP nth_root =: (, , _1+[) iter^:_ f. ] 10 nth_root 7131.5^10 7131.5
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Write the same algorithm in Java as shown in this J implementation.
'`N X NP' =. (0 { [)`(1 { [)`(2 { [) iter =. N %~ (NP * ]) + X % ] ^ NP nth_root =: (, , _1+[) iter^:_ f. ] 10 nth_root 7131.5^10 7131.5
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Rewrite this program in Python while keeping its functionality equivalent to the J version.
'`N X NP' =. (0 { [)`(1 { [)`(2 { [) iter =. N %~ (NP * ]) + X % ] ^ NP nth_root =: (, , _1+[) iter^:_ f. ] 10 nth_root 7131.5^10 7131.5
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Change the programming language of this snippet from J to VB without modifying what it does.
'`N X NP' =. (0 { [)`(1 { [)`(2 { [) iter =. N %~ (NP * ]) + X % ] ^ NP nth_root =: (, , _1+[) iter^:_ f. ] 10 nth_root 7131.5^10 7131.5
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Port the provided J code into Go while preserving the original functionality.
'`N X NP' =. (0 { [)`(1 { [)`(2 { [) iter =. N %~ (NP * ]) + X % ] ^ NP nth_root =: (, , _1+[) iter^:_ f. ] 10 nth_root 7131.5^10 7131.5
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Change the programming language of this snippet from Julia to C without modifying what it does.
function nthroot(n::Integer, r::Real) r < 0 || n == 0 && throw(DomainError()) n < 0 && return 1 / nthroot(-n, r) r > 0 || return 0 x = r / n prevdx = r while true y = x ^ (n - 1) dx = (r - y * x) / (n * y) abs(dx) ≥ abs(prevdx) && return x x += dx prevdx = dx end end @show nthroot.(-5:2:5, 5.0) @show nthroot.(-5:2:5, 5.0) - 5.0 .^ (1 ./ (-5:2:5))
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Translate this program into C# but keep the logic exactly as in Julia.
function nthroot(n::Integer, r::Real) r < 0 || n == 0 && throw(DomainError()) n < 0 && return 1 / nthroot(-n, r) r > 0 || return 0 x = r / n prevdx = r while true y = x ^ (n - 1) dx = (r - y * x) / (n * y) abs(dx) ≥ abs(prevdx) && return x x += dx prevdx = dx end end @show nthroot.(-5:2:5, 5.0) @show nthroot.(-5:2:5, 5.0) - 5.0 .^ (1 ./ (-5:2:5))
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Port the provided Julia code into C++ while preserving the original functionality.
function nthroot(n::Integer, r::Real) r < 0 || n == 0 && throw(DomainError()) n < 0 && return 1 / nthroot(-n, r) r > 0 || return 0 x = r / n prevdx = r while true y = x ^ (n - 1) dx = (r - y * x) / (n * y) abs(dx) ≥ abs(prevdx) && return x x += dx prevdx = dx end end @show nthroot.(-5:2:5, 5.0) @show nthroot.(-5:2:5, 5.0) - 5.0 .^ (1 ./ (-5:2:5))
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Rewrite the snippet below in Java so it works the same as the original Julia code.
function nthroot(n::Integer, r::Real) r < 0 || n == 0 && throw(DomainError()) n < 0 && return 1 / nthroot(-n, r) r > 0 || return 0 x = r / n prevdx = r while true y = x ^ (n - 1) dx = (r - y * x) / (n * y) abs(dx) ≥ abs(prevdx) && return x x += dx prevdx = dx end end @show nthroot.(-5:2:5, 5.0) @show nthroot.(-5:2:5, 5.0) - 5.0 .^ (1 ./ (-5:2:5))
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Generate an equivalent Python version of this Julia code.
function nthroot(n::Integer, r::Real) r < 0 || n == 0 && throw(DomainError()) n < 0 && return 1 / nthroot(-n, r) r > 0 || return 0 x = r / n prevdx = r while true y = x ^ (n - 1) dx = (r - y * x) / (n * y) abs(dx) ≥ abs(prevdx) && return x x += dx prevdx = dx end end @show nthroot.(-5:2:5, 5.0) @show nthroot.(-5:2:5, 5.0) - 5.0 .^ (1 ./ (-5:2:5))
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Generate a VB translation of this Julia snippet without changing its computational steps.
function nthroot(n::Integer, r::Real) r < 0 || n == 0 && throw(DomainError()) n < 0 && return 1 / nthroot(-n, r) r > 0 || return 0 x = r / n prevdx = r while true y = x ^ (n - 1) dx = (r - y * x) / (n * y) abs(dx) ≥ abs(prevdx) && return x x += dx prevdx = dx end end @show nthroot.(-5:2:5, 5.0) @show nthroot.(-5:2:5, 5.0) - 5.0 .^ (1 ./ (-5:2:5))
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Port the provided Julia code into Go while preserving the original functionality.
function nthroot(n::Integer, r::Real) r < 0 || n == 0 && throw(DomainError()) n < 0 && return 1 / nthroot(-n, r) r > 0 || return 0 x = r / n prevdx = r while true y = x ^ (n - 1) dx = (r - y * x) / (n * y) abs(dx) ≥ abs(prevdx) && return x x += dx prevdx = dx end end @show nthroot.(-5:2:5, 5.0) @show nthroot.(-5:2:5, 5.0) - 5.0 .^ (1 ./ (-5:2:5))
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Convert this Lua block to C, preserving its control flow and logic.
function nroot(root, num) return num^(1/root) end
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Produce a language-to-language conversion: from Lua to C#, same semantics.
function nroot(root, num) return num^(1/root) end
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Maintain the same structure and functionality when rewriting this code in C++.
function nroot(root, num) return num^(1/root) end
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Maintain the same structure and functionality when rewriting this code in Java.
function nroot(root, num) return num^(1/root) end
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Convert the following code from Lua to Python, ensuring the logic remains intact.
function nroot(root, num) return num^(1/root) end
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Maintain the same structure and functionality when rewriting this code in VB.
function nroot(root, num) return num^(1/root) end
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Port the following code from Lua to Go with equivalent syntax and logic.
function nroot(root, num) return num^(1/root) end
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Convert this Mathematica snippet to C and keep its semantics consistent.
Root[A,n]
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Produce a functionally identical C# code for the snippet given in Mathematica.
Root[A,n]
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Port the following code from Mathematica to C++ with equivalent syntax and logic.
Root[A,n]
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Generate a Java translation of this Mathematica snippet without changing its computational steps.
Root[A,n]
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Convert this Mathematica snippet to Python and keep its semantics consistent.
Root[A,n]
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Rewrite the snippet below in VB so it works the same as the original Mathematica code.
Root[A,n]
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Change the programming language of this snippet from Mathematica to Go without modifying what it does.
Root[A,n]
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Port the provided MATLAB code into C while preserving the original functionality.
function answer = nthRoot(number,root) format long answer = number / root; guess = number; while not(guess == answer) guess = answer; answer = (1/root)*( ((root - 1)*guess) + ( number/(guess^(root - 1)) ) ); end end
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Can you help me rewrite this code in C# instead of MATLAB, keeping it the same logically?
function answer = nthRoot(number,root) format long answer = number / root; guess = number; while not(guess == answer) guess = answer; answer = (1/root)*( ((root - 1)*guess) + ( number/(guess^(root - 1)) ) ); end end
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Keep all operations the same but rewrite the snippet in C++.
function answer = nthRoot(number,root) format long answer = number / root; guess = number; while not(guess == answer) guess = answer; answer = (1/root)*( ((root - 1)*guess) + ( number/(guess^(root - 1)) ) ); end end
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Preserve the algorithm and functionality while converting the code from MATLAB to Java.
function answer = nthRoot(number,root) format long answer = number / root; guess = number; while not(guess == answer) guess = answer; answer = (1/root)*( ((root - 1)*guess) + ( number/(guess^(root - 1)) ) ); end end
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Port the following code from MATLAB to Python with equivalent syntax and logic.
function answer = nthRoot(number,root) format long answer = number / root; guess = number; while not(guess == answer) guess = answer; answer = (1/root)*( ((root - 1)*guess) + ( number/(guess^(root - 1)) ) ); end end
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Port the following code from MATLAB to VB with equivalent syntax and logic.
function answer = nthRoot(number,root) format long answer = number / root; guess = number; while not(guess == answer) guess = answer; answer = (1/root)*( ((root - 1)*guess) + ( number/(guess^(root - 1)) ) ); end end
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Convert this MATLAB block to Go, preserving its control flow and logic.
function answer = nthRoot(number,root) format long answer = number / root; guess = number; while not(guess == answer) guess = answer; answer = (1/root)*( ((root - 1)*guess) + ( number/(guess^(root - 1)) ) ); end end
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Maintain the same structure and functionality when rewriting this code in C.
import math proc nthRoot(a: float; n: int): float = var n = float(n) result = a var x = a / n while abs(result-x) > 1e-15: x = result result = (1/n) * (((n-1)*x) + (a / pow(x, n-1))) echo nthRoot(34.0, 5) echo nthRoot(42.0, 10) echo nthRoot(5.0, 2)
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Preserve the algorithm and functionality while converting the code from Nim to C#.
import math proc nthRoot(a: float; n: int): float = var n = float(n) result = a var x = a / n while abs(result-x) > 1e-15: x = result result = (1/n) * (((n-1)*x) + (a / pow(x, n-1))) echo nthRoot(34.0, 5) echo nthRoot(42.0, 10) echo nthRoot(5.0, 2)
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Write a version of this Nim function in C++ with identical behavior.
import math proc nthRoot(a: float; n: int): float = var n = float(n) result = a var x = a / n while abs(result-x) > 1e-15: x = result result = (1/n) * (((n-1)*x) + (a / pow(x, n-1))) echo nthRoot(34.0, 5) echo nthRoot(42.0, 10) echo nthRoot(5.0, 2)
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Write a version of this Nim function in Java with identical behavior.
import math proc nthRoot(a: float; n: int): float = var n = float(n) result = a var x = a / n while abs(result-x) > 1e-15: x = result result = (1/n) * (((n-1)*x) + (a / pow(x, n-1))) echo nthRoot(34.0, 5) echo nthRoot(42.0, 10) echo nthRoot(5.0, 2)
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Preserve the algorithm and functionality while converting the code from Nim to Python.
import math proc nthRoot(a: float; n: int): float = var n = float(n) result = a var x = a / n while abs(result-x) > 1e-15: x = result result = (1/n) * (((n-1)*x) + (a / pow(x, n-1))) echo nthRoot(34.0, 5) echo nthRoot(42.0, 10) echo nthRoot(5.0, 2)
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Please provide an equivalent version of this Nim code in VB.
import math proc nthRoot(a: float; n: int): float = var n = float(n) result = a var x = a / n while abs(result-x) > 1e-15: x = result result = (1/n) * (((n-1)*x) + (a / pow(x, n-1))) echo nthRoot(34.0, 5) echo nthRoot(42.0, 10) echo nthRoot(5.0, 2)
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Change the following Nim code into Go without altering its purpose.
import math proc nthRoot(a: float; n: int): float = var n = float(n) result = a var x = a / n while abs(result-x) > 1e-15: x = result result = (1/n) * (((n-1)*x) + (a / pow(x, n-1))) echo nthRoot(34.0, 5) echo nthRoot(42.0, 10) echo nthRoot(5.0, 2)
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Write a version of this OCaml function in C with identical behavior.
let nthroot ~n ~a ?(tol=0.001) () = let nf = float n in let nf1 = nf -. 1.0 in let rec iter x = let x' = (nf1 *. x +. a /. (x ** nf1)) /. nf in if tol > abs_float (x -. x') then x' else iter x' in iter 1.0 ;; let () = Printf.printf "%g\n" (nthroot 10 (7131.5 ** 10.0) ()); Printf.printf "%g\n" (nthroot 5 34.0 ()); ;;
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Change the following OCaml code into C# without altering its purpose.
let nthroot ~n ~a ?(tol=0.001) () = let nf = float n in let nf1 = nf -. 1.0 in let rec iter x = let x' = (nf1 *. x +. a /. (x ** nf1)) /. nf in if tol > abs_float (x -. x') then x' else iter x' in iter 1.0 ;; let () = Printf.printf "%g\n" (nthroot 10 (7131.5 ** 10.0) ()); Printf.printf "%g\n" (nthroot 5 34.0 ()); ;;
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Rewrite this program in C++ while keeping its functionality equivalent to the OCaml version.
let nthroot ~n ~a ?(tol=0.001) () = let nf = float n in let nf1 = nf -. 1.0 in let rec iter x = let x' = (nf1 *. x +. a /. (x ** nf1)) /. nf in if tol > abs_float (x -. x') then x' else iter x' in iter 1.0 ;; let () = Printf.printf "%g\n" (nthroot 10 (7131.5 ** 10.0) ()); Printf.printf "%g\n" (nthroot 5 34.0 ()); ;;
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Write the same code in Java as shown below in OCaml.
let nthroot ~n ~a ?(tol=0.001) () = let nf = float n in let nf1 = nf -. 1.0 in let rec iter x = let x' = (nf1 *. x +. a /. (x ** nf1)) /. nf in if tol > abs_float (x -. x') then x' else iter x' in iter 1.0 ;; let () = Printf.printf "%g\n" (nthroot 10 (7131.5 ** 10.0) ()); Printf.printf "%g\n" (nthroot 5 34.0 ()); ;;
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Produce a functionally identical Python code for the snippet given in OCaml.
let nthroot ~n ~a ?(tol=0.001) () = let nf = float n in let nf1 = nf -. 1.0 in let rec iter x = let x' = (nf1 *. x +. a /. (x ** nf1)) /. nf in if tol > abs_float (x -. x') then x' else iter x' in iter 1.0 ;; let () = Printf.printf "%g\n" (nthroot 10 (7131.5 ** 10.0) ()); Printf.printf "%g\n" (nthroot 5 34.0 ()); ;;
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Ensure the translated VB code behaves exactly like the original OCaml snippet.
let nthroot ~n ~a ?(tol=0.001) () = let nf = float n in let nf1 = nf -. 1.0 in let rec iter x = let x' = (nf1 *. x +. a /. (x ** nf1)) /. nf in if tol > abs_float (x -. x') then x' else iter x' in iter 1.0 ;; let () = Printf.printf "%g\n" (nthroot 10 (7131.5 ** 10.0) ()); Printf.printf "%g\n" (nthroot 5 34.0 ()); ;;
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Change the programming language of this snippet from OCaml to Go without modifying what it does.
let nthroot ~n ~a ?(tol=0.001) () = let nf = float n in let nf1 = nf -. 1.0 in let rec iter x = let x' = (nf1 *. x +. a /. (x ** nf1)) /. nf in if tol > abs_float (x -. x') then x' else iter x' in iter 1.0 ;; let () = Printf.printf "%g\n" (nthroot 10 (7131.5 ** 10.0) ()); Printf.printf "%g\n" (nthroot 5 34.0 ()); ;;
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
Rewrite the snippet below in C so it works the same as the original Perl code.
use strict; sub nthroot ($$) { my ( $n, $A ) = @_; my $x0 = $A / $n; my $m = $n - 1.0; while(1) { my $x1 = ($m * $x0 + $A / ($x0 ** $m)) / $n; return $x1 if abs($x1 - $x0) < abs($x0 * 1e-9); $x0 = $x1; } }
#include <stdio.h> #include <float.h> double pow_ (double x, int e) { int i; double r = 1; for (i = 0; i < e; i++) { r *= x; } return r; } double root (int n, double x) { double d, r = 1; if (!x) { return 0; } if (n < 1 || (x < 0 && !(n&1))) { return 0.0 / 0.0; } do { d = (x / pow_(r, n - 1) - r) / n; r += d; } while (d >= DBL_EPSILON * 10 || d <= -DBL_EPSILON * 10); return r; } int main () { int n = 15; double x = pow_(-3.14159, 15); printf("root(%d, %g) = %g\n", n, x, root(n, x)); return 0; }
Change the following Perl code into C# without altering its purpose.
use strict; sub nthroot ($$) { my ( $n, $A ) = @_; my $x0 = $A / $n; my $m = $n - 1.0; while(1) { my $x1 = ($m * $x0 + $A / ($x0 ** $m)) / $n; return $x1 if abs($x1 - $x0) < abs($x0 * 1e-9); $x0 = $x1; } }
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
Generate an equivalent C++ version of this Perl code.
use strict; sub nthroot ($$) { my ( $n, $A ) = @_; my $x0 = $A / $n; my $m = $n - 1.0; while(1) { my $x1 = ($m * $x0 + $A / ($x0 ** $m)) / $n; return $x1 if abs($x1 - $x0) < abs($x0 * 1e-9); $x0 = $x1; } }
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
Produce a functionally identical Java code for the snippet given in Perl.
use strict; sub nthroot ($$) { my ( $n, $A ) = @_; my $x0 = $A / $n; my $m = $n - 1.0; while(1) { my $x1 = ($m * $x0 + $A / ($x0 ** $m)) / $n; return $x1 if abs($x1 - $x0) < abs($x0 * 1e-9); $x0 = $x1; } }
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
Generate a Python translation of this Perl snippet without changing its computational steps.
use strict; sub nthroot ($$) { my ( $n, $A ) = @_; my $x0 = $A / $n; my $m = $n - 1.0; while(1) { my $x1 = ($m * $x0 + $A / ($x0 ** $m)) / $n; return $x1 if abs($x1 - $x0) < abs($x0 * 1e-9); $x0 = $x1; } }
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Port the following code from Perl to VB with equivalent syntax and logic.
use strict; sub nthroot ($$) { my ( $n, $A ) = @_; my $x0 = $A / $n; my $m = $n - 1.0; while(1) { my $x1 = ($m * $x0 + $A / ($x0 ** $m)) / $n; return $x1 if abs($x1 - $x0) < abs($x0 * 1e-9); $x0 = $x1; } }
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Ensure the translated Go code behaves exactly like the original Perl snippet.
use strict; sub nthroot ($$) { my ( $n, $A ) = @_; my $x0 = $A / $n; my $m = $n - 1.0; while(1) { my $x1 = ($m * $x0 + $A / ($x0 ** $m)) / $n; return $x1 if abs($x1 - $x0) < abs($x0 * 1e-9); $x0 = $x1; } }
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }