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Rewrite this program in PHP while keeping its functionality equivalent to the Lua version.
k = math.floor(math.sqrt(269696)) if k % 2 == 1 then k = k - 1 end while not ((k * k) % 1000000 == 269696) do k = k + 2 end io.write(string.format("%d * %d = %d\n", k, k, k * k))
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Change the following Mathematica code into PHP without altering its purpose.
Solve[Mod[x^2, 10^6] == 269696 && 0 <= x <= 99736, x, Integers]
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Write the same algorithm in PHP as shown in this Mathematica implementation.
Solve[Mod[x^2, 10^6] == 269696 && 0 <= x <= 99736, x, Integers]
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Keep all operations the same but rewrite the snippet in PHP.
var n : int = 0 while n*n mod 1_000_000 != 269_696: inc(n) echo n
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Generate an equivalent PHP version of this Nim code.
var n : int = 0 while n*n mod 1_000_000 != 269_696: inc(n) echo n
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Port the following code from OCaml to PHP with equivalent syntax and logic.
let rec f a= if (a*a) mod 1000000 != 269696 then f(a+1) else a in let a= f 1 in Printf.printf "smallest positive integer whose square ends in the digits 269696 is %d\n" a
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Please provide an equivalent version of this OCaml code in PHP.
let rec f a= if (a*a) mod 1000000 != 269696 then f(a+1) else a in let a= f 1 in Printf.printf "smallest positive integer whose square ends in the digits 269696 is %d\n" a
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Translate the given Pascal code snippet into PHP without altering its behavior.
program BabbageProblem; var n : longint; begin n := 2; repeat n := n + 2 until (n * n) mod 1000000 = 269696; write(n) end.
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Generate a PHP translation of this Pascal snippet without changing its computational steps.
program BabbageProblem; var n : longint; begin n := 2; repeat n := n + 2 until (n * n) mod 1000000 = 269696; write(n) end.
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Ensure the translated PHP code behaves exactly like the original Perl snippet.
use strict ; use warnings ; my $current = 0 ; while ( ($current ** 2 ) % 1000000 != 269696 ) { $current++ ; } print "The square of $current is " . ($current * $current) . " !\n" ;
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Convert this Perl snippet to PHP and keep its semantics consistent.
use strict ; use warnings ; my $current = 0 ; while ( ($current ** 2 ) % 1000000 != 269696 ) { $current++ ; } print "The square of $current is " . ($current * $current) . " !\n" ;
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Port the provided PowerShell code into PHP while preserving the original functionality.
$integer = 0 while (($integer * $integer) % 1000000 -ne 269696) { $integer++ } $integer
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Produce a language-to-language conversion: from PowerShell to PHP, same semantics.
$integer = 0 while (($integer * $integer) % 1000000 -ne 269696) { $integer++ } $integer
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Write the same code in PHP as shown below in R.
babbage_function=function(){ n=0 while (n**2%%1000000!=269696) { n=n+1 } return(n) } babbage_function()[length(babbage_function())]
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Can you help me rewrite this code in PHP instead of R, keeping it the same logically?
babbage_function=function(){ n=0 while (n**2%%1000000!=269696) { n=n+1 } return(n) } babbage_function()[length(babbage_function())]
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Generate an equivalent PHP version of this Racket code.
#lang racket (define (ends-in-269696? x) (= (remainder x 1000000) 269696)) (define square-ends-in-269696? (compose ends-in-269696? sqr)) (define first-number-that-when-squared-ends-in-269696 (for/first ((i (in-range 1 (add1 99736))) #:when (square-ends-in-269696? i)) i)) (display first-number-that-when-squared-ends-in-269696) (newline) (display (sqr first-number-that-when-squared-ends-in-269696)) (newline) (newline) (display (ends-in-269696? (sqr first-number-that-when-squared-ends-in-269696))) (newline) (display (square-ends-in-269696? first-number-that-when-squared-ends-in-269696)) (newline)
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Maintain the same structure and functionality when rewriting this code in PHP.
#lang racket (define (ends-in-269696? x) (= (remainder x 1000000) 269696)) (define square-ends-in-269696? (compose ends-in-269696? sqr)) (define first-number-that-when-squared-ends-in-269696 (for/first ((i (in-range 1 (add1 99736))) #:when (square-ends-in-269696? i)) i)) (display first-number-that-when-squared-ends-in-269696) (newline) (display (sqr first-number-that-when-squared-ends-in-269696)) (newline) (newline) (display (ends-in-269696? (sqr first-number-that-when-squared-ends-in-269696))) (newline) (display (square-ends-in-269696? first-number-that-when-squared-ends-in-269696)) (newline)
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Can you help me rewrite this code in PHP instead of COBOL, keeping it the same logically?
IDENTIFICATION DIVISION. PROGRAM-ID. BABBAGE-PROGRAM. * A line beginning with an asterisk is an explanatory note. * The machine will disregard any such line. DATA DIVISION. WORKING-STORAGE SECTION. * In this part of the program we reserve the storage space we shall * be using for our variables, using a 'PICTURE' clause to specify * how many digits the machine is to keep free. * The prefixed number 77 indicates that these variables do not form part * of any larger 'record' that we might want to deal with as a whole. 77 N PICTURE 99999. * We know that 99,736 is a valid answer. 77 N-SQUARED PICTURE 9999999999. 77 LAST-SIX PICTURE 999999. PROCEDURE DIVISION. * Here we specify the calculations that the machine is to carry out. CONTROL-PARAGRAPH. PERFORM COMPUTATION-PARAGRAPH VARYING N FROM 1 BY 1 UNTIL LAST-SIX IS EQUAL TO 269696. STOP RUN. COMPUTATION-PARAGRAPH. MULTIPLY N BY N GIVING N-SQUARED. MOVE N-SQUARED TO LAST-SIX. * Since the variable LAST-SIX can hold a maximum of six digits, * only the final six digits of N-SQUARED will be moved into it: * the rest will not fit and will simply be discarded. IF LAST-SIX IS EQUAL TO 269696 THEN DISPLAY N.
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Can you help me rewrite this code in PHP instead of COBOL, keeping it the same logically?
IDENTIFICATION DIVISION. PROGRAM-ID. BABBAGE-PROGRAM. * A line beginning with an asterisk is an explanatory note. * The machine will disregard any such line. DATA DIVISION. WORKING-STORAGE SECTION. * In this part of the program we reserve the storage space we shall * be using for our variables, using a 'PICTURE' clause to specify * how many digits the machine is to keep free. * The prefixed number 77 indicates that these variables do not form part * of any larger 'record' that we might want to deal with as a whole. 77 N PICTURE 99999. * We know that 99,736 is a valid answer. 77 N-SQUARED PICTURE 9999999999. 77 LAST-SIX PICTURE 999999. PROCEDURE DIVISION. * Here we specify the calculations that the machine is to carry out. CONTROL-PARAGRAPH. PERFORM COMPUTATION-PARAGRAPH VARYING N FROM 1 BY 1 UNTIL LAST-SIX IS EQUAL TO 269696. STOP RUN. COMPUTATION-PARAGRAPH. MULTIPLY N BY N GIVING N-SQUARED. MOVE N-SQUARED TO LAST-SIX. * Since the variable LAST-SIX can hold a maximum of six digits, * only the final six digits of N-SQUARED will be moved into it: * the rest will not fit and will simply be discarded. IF LAST-SIX IS EQUAL TO 269696 THEN DISPLAY N.
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Rewrite this program in PHP while keeping its functionality equivalent to the REXX version.
options replace format comments java crossref symbols nobinary utf8 numeric digits 5000 -- set up numeric precision babbageNr = babbage() -- call a function to perform the analysis and capture the result babbageSq = babbageNr ** 2 -- calculate the square of the result -- display results using a library function System.out.printf("%,10d\u00b2 == %,12d%n", [Integer(babbageNr), Integer(babbageSq)]) return -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- A function method to answer Babbage's question: -- "What is the smallest positive integer whose square ends in the digits 269,696?" -- — Babbage, letter to Lord Bowden, 1837; -- see Hollingdale and Tootill, Electronic Computers, second edition, 1970, p. 125. -- (He thought the answer might be 99,736, whose square is 9,947,269,696; but he couldn't be certain.) method babbage() public static binary n = int 104 -- (integer arithmatic) -- begin a processing loop to determine the value -- starting point: 104 loop while ((n * n) // 1000000) \= 269696 -- loop continues while the remainder of n squared divided by 1,000,000 is not equal to 269,696 if n // 10 == 4 then do -- increment n by 2 if the remainder of n divided by 10 equals 4 n = n + 2 end if n // 10 == 6 then do -- increment n by 8 if the remainder of n divided by 10 equals 6 n = n + 8 end end return n -- end the function and return the result
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Rewrite this program in PHP while keeping its functionality equivalent to the REXX version.
options replace format comments java crossref symbols nobinary utf8 numeric digits 5000 -- set up numeric precision babbageNr = babbage() -- call a function to perform the analysis and capture the result babbageSq = babbageNr ** 2 -- calculate the square of the result -- display results using a library function System.out.printf("%,10d\u00b2 == %,12d%n", [Integer(babbageNr), Integer(babbageSq)]) return -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- A function method to answer Babbage's question: -- "What is the smallest positive integer whose square ends in the digits 269,696?" -- — Babbage, letter to Lord Bowden, 1837; -- see Hollingdale and Tootill, Electronic Computers, second edition, 1970, p. 125. -- (He thought the answer might be 99,736, whose square is 9,947,269,696; but he couldn't be certain.) method babbage() public static binary n = int 104 -- (integer arithmatic) -- begin a processing loop to determine the value -- starting point: 104 loop while ((n * n) // 1000000) \= 269696 -- loop continues while the remainder of n squared divided by 1,000,000 is not equal to 269,696 if n // 10 == 4 then do -- increment n by 2 if the remainder of n divided by 10 equals 4 n = n + 2 end if n // 10 == 6 then do -- increment n by 8 if the remainder of n divided by 10 equals 6 n = n + 8 end end return n -- end the function and return the result
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Can you help me rewrite this code in PHP instead of Ruby, keeping it the same logically?
n = 0 n = n + 2 until (n*n).modulo(1000000) == 269696 print n
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Generate a PHP translation of this Ruby snippet without changing its computational steps.
n = 0 n = n + 2 until (n*n).modulo(1000000) == 269696 print n
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Please provide an equivalent version of this Scala code in PHP.
fun main(args: Array<String>) { var number = 520L var square = 520 * 520L while (true) { val last6 = square.toString().takeLast(6) if (last6 == "269696") { println("The smallest number is $number whose square is $square") return } number += 2 square = number * number } }
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Write the same code in PHP as shown below in Scala.
fun main(args: Array<String>) { var number = 520L var square = 520 * 520L while (true) { val last6 = square.toString().takeLast(6) if (last6 == "269696") { println("The smallest number is $number whose square is $square") return } number += 2 square = number * number } }
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Generate a PHP translation of this Swift snippet without changing its computational steps.
import Swift for i in 2...Int.max { if i * i % 1000000 == 269696 { print(i, "is the smallest number that ends with 269696") break } }
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Convert the following code from Swift to PHP, ensuring the logic remains intact.
import Swift for i in 2...Int.max { if i * i % 1000000 == 269696 { print(i, "is the smallest number that ends with 269696") break } }
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Preserve the algorithm and functionality while converting the code from Tcl to PHP.
for {set i 1} {![string match *269696 [expr $i*$i]]} {incr i} {} puts "$i squared is [expr $i*$i]"
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Rewrite the snippet below in PHP so it works the same as the original Tcl code.
for {set i 1} {![string match *269696 [expr $i*$i]]} {incr i} {} puts "$i squared is [expr $i*$i]"
<?php for ( $i = 1 ; // Initial positive integer to check ($i * $i) % 1000000 !== 269696 ; // While i*i does not end with the digits 269,696 $i++ // ... go to next integer ); echo $i, ' * ', $i, ' = ', ($i * $i), PHP_EOL; // Print the result
Translate this program into Rust but keep the logic exactly as in C.
#include <stdio.h> #include <stdlib.h> #include <limits.h> int main() { int current = 0, square; while (((square=current*current) % 1000000 != 269696) && (square<INT_MAX)) { current++; } if (square>+INT_MAX) printf("Condition not satisfied before INT_MAX reached."); else printf ("The smallest number whose square ends in 269696 is %d\n", current); return 0 ; }
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Change the programming language of this snippet from C++ to Rust without modifying what it does.
#include <iostream> int main( ) { int current = 0 ; while ( ( current * current ) % 1000000 != 269696 ) current++ ; std::cout << "The square of " << current << " is " << (current * current) << " !\n" ; return 0 ; }
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Transform the following C# implementation into Rust, maintaining the same output and logic.
namespace Babbage_Problem { class iterateNumbers { public iterateNumbers() { long baseNumberSquared = 0; long baseNumber = 0; do { baseNumber += 1; baseNumberSquared = baseNumber * baseNumber; } while (Right6Digits(baseNumberSquared) != 269696); Console.WriteLine("The smallest integer whose square ends in 269,696 is " + baseNumber); Console.WriteLine("The square is " + baseNumberSquared); } private long Right6Digits(long baseNumberSquared) { string numberAsString = baseNumberSquared.ToString(); if (numberAsString.Length < 6) { return baseNumberSquared; }; numberAsString = numberAsString.Substring(numberAsString.Length - 6); return long.Parse(numberAsString); } } }}
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Write the same algorithm in Rust as shown in this Java implementation.
public class Test { public static void main(String[] args) { int n = 0; do { n++; } while (n * n % 1000_000 != 269696); System.out.println(n); } }
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Can you help me rewrite this code in Rust instead of Java, keeping it the same logically?
public class Test { public static void main(String[] args) { int n = 0; do { n++; } while (n * n % 1000_000 != 269696); System.out.println(n); } }
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Change the following Go code into Rust without altering its purpose.
package main import "fmt" func main() { const ( target = 269696 modulus = 1000000 ) for n := 1; ; n++ { square := n * n ending := square % modulus if ending == target { fmt.Println("The smallest number whose square ends with", target, "is", n, ) return } } }
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Rewrite this program in Rust while keeping its functionality equivalent to the Go version.
package main import "fmt" func main() { const ( target = 269696 modulus = 1000000 ) for n := 1; ; n++ { square := n * n ending := square % modulus if ending == target { fmt.Println("The smallest number whose square ends with", target, "is", n, ) return } } }
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Port the following code from Rust to Python with equivalent syntax and logic.
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
n=0 while n**2 % 1000000 != 269696: n += 1 print(n)
Preserve the algorithm and functionality while converting the code from Rust to Python.
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
n=0 while n**2 % 1000000 != 269696: n += 1 print(n)
Convert this Rust block to VB, preserving its control flow and logic.
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Sub Baggage_Problem() Dim i As Long i = 520 Do While ((i * i) Mod 1000000) <> 269696 i = i + 4 Loop Debug.Print "The smallest positive integer whose square ends in the digits 269 696 is : " & i & vbCrLf & _ "Its square is : " & i * i End Sub
Port the provided C++ code into Rust while preserving the original functionality.
#include <iostream> int main( ) { int current = 0 ; while ( ( current * current ) % 1000000 != 269696 ) current++ ; std::cout << "The square of " << current << " is " << (current * current) << " !\n" ; return 0 ; }
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Translate the given C# code snippet into Rust without altering its behavior.
namespace Babbage_Problem { class iterateNumbers { public iterateNumbers() { long baseNumberSquared = 0; long baseNumber = 0; do { baseNumber += 1; baseNumberSquared = baseNumber * baseNumber; } while (Right6Digits(baseNumberSquared) != 269696); Console.WriteLine("The smallest integer whose square ends in 269,696 is " + baseNumber); Console.WriteLine("The square is " + baseNumberSquared); } private long Right6Digits(long baseNumberSquared) { string numberAsString = baseNumberSquared.ToString(); if (numberAsString.Length < 6) { return baseNumberSquared; }; numberAsString = numberAsString.Substring(numberAsString.Length - 6); return long.Parse(numberAsString); } } }}
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Rewrite this program in VB while keeping its functionality equivalent to the Rust version.
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Sub Baggage_Problem() Dim i As Long i = 520 Do While ((i * i) Mod 1000000) <> 269696 i = i + 4 Loop Debug.Print "The smallest positive integer whose square ends in the digits 269 696 is : " & i & vbCrLf & _ "Its square is : " & i * i End Sub
Change the following C code into Rust without altering its purpose.
#include <stdio.h> #include <stdlib.h> #include <limits.h> int main() { int current = 0, square; while (((square=current*current) % 1000000 != 269696) && (square<INT_MAX)) { current++; } if (square>+INT_MAX) printf("Condition not satisfied before INT_MAX reached."); else printf ("The smallest number whose square ends in 269696 is %d\n", current); return 0 ; }
fn main() { let mut current = 0; while (current * current) % 1_000_000 != 269_696 { current += 1; } println!( "The smallest number whose square ends in 269696 is {}", current ); }
Port the following code from Ada to C# with equivalent syntax and logic.
package Logic is type Ternary is (True, Unknown, False); function "and"(Left, Right: Ternary) return Ternary; function "or"(Left, Right: Ternary) return Ternary; function "not"(T: Ternary) return Ternary; function Equivalent(Left, Right: Ternary) return Ternary; function Implies(Condition, Conclusion: Ternary) return Ternary; function To_Bool(X: Ternary) return Boolean; function To_Ternary(B: Boolean) return Ternary; function Image(Value: Ternary) return Character; end Logic;
using System; public static class NullableBoolExtension { public static bool? Implies(this bool? left, bool? right) { return !left | right; } public static bool? IsEquivalentTo(this bool? left, bool? right) { return left.HasValue && right.HasValue ? left == right : default(bool?); } public static string Format(this bool? value) { return value.HasValue ? value.Value.ToString() : "Maybe"; } } public class Program { private static void Main() { var values = new[] { true, default(bool?), false }; foreach (var left in values) { Console.WriteLine("¬{0} = {1}", left.Format(), (!left).Format()); foreach (var right in values) { Console.WriteLine("{0} & {1} = {2}", left.Format(), right.Format(), (left & right).Format()); Console.WriteLine("{0} | {1} = {2}", left.Format(), right.Format(), (left | right).Format()); Console.WriteLine("{0} → {1} = {2}", left.Format(), right.Format(), left.Implies(right).Format()); Console.WriteLine("{0} ≡ {1} = {2}", left.Format(), right.Format(), left.IsEquivalentTo(right).Format()); } } } }
Write the same code in C as shown below in Ada.
package Logic is type Ternary is (True, Unknown, False); function "and"(Left, Right: Ternary) return Ternary; function "or"(Left, Right: Ternary) return Ternary; function "not"(T: Ternary) return Ternary; function Equivalent(Left, Right: Ternary) return Ternary; function Implies(Condition, Conclusion: Ternary) return Ternary; function To_Bool(X: Ternary) return Boolean; function To_Ternary(B: Boolean) return Ternary; function Image(Value: Ternary) return Character; end Logic;
#include <stdio.h> typedef enum { TRITTRUE, TRITMAYBE, TRITFALSE } trit; trit tritNot[3] = {TRITFALSE , TRITMAYBE, TRITTRUE}; trit tritAnd[3][3] = { {TRITTRUE, TRITMAYBE, TRITFALSE}, {TRITMAYBE, TRITMAYBE, TRITFALSE}, {TRITFALSE, TRITFALSE, TRITFALSE} }; trit tritOr[3][3] = { {TRITTRUE, TRITTRUE, TRITTRUE}, {TRITTRUE, TRITMAYBE, TRITMAYBE}, {TRITTRUE, TRITMAYBE, TRITFALSE} }; trit tritThen[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITTRUE, TRITMAYBE, TRITMAYBE}, { TRITTRUE, TRITTRUE, TRITTRUE } }; trit tritEquiv[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITMAYBE, TRITMAYBE, TRITMAYBE}, { TRITFALSE, TRITMAYBE, TRITTRUE } }; const char* tritString[3] = {"T", "?", "F"}; void demo_binary_op(trit operator[3][3], const char* name) { trit operand1 = TRITTRUE; trit operand2 = TRITTRUE; printf("\n"); for( operand1 = TRITTRUE; operand1 <= TRITFALSE; ++operand1 ) { for( operand2 = TRITTRUE; operand2 <= TRITFALSE; ++operand2 ) { printf("%s %s %s: %s\n", tritString[operand1], name, tritString[operand2], tritString[operator[operand1][operand2]]); } } } int main() { trit op1 = TRITTRUE; trit op2 = TRITTRUE; for( op1 = TRITTRUE; op1 <= TRITFALSE; ++op1 ) { printf("Not %s: %s\n", tritString[op1], tritString[tritNot[op1]]); } demo_binary_op(tritAnd, "And"); demo_binary_op(tritOr, "Or"); demo_binary_op(tritThen, "Then"); demo_binary_op(tritEquiv, "Equiv"); return 0; }
Keep all operations the same but rewrite the snippet in C++.
package Logic is type Ternary is (True, Unknown, False); function "and"(Left, Right: Ternary) return Ternary; function "or"(Left, Right: Ternary) return Ternary; function "not"(T: Ternary) return Ternary; function Equivalent(Left, Right: Ternary) return Ternary; function Implies(Condition, Conclusion: Ternary) return Ternary; function To_Bool(X: Ternary) return Boolean; function To_Ternary(B: Boolean) return Ternary; function Image(Value: Ternary) return Character; end Logic;
#include <iostream> #include <stdlib.h> class trit { public: static const trit False, Maybe, True; trit operator !() const { return static_cast<Value>(-value); } trit operator &&(const trit &b) const { return (value < b.value) ? value : b.value; } trit operator ||(const trit &b) const { return (value > b.value) ? value : b.value; } trit operator >>(const trit &b) const { return -value > b.value ? static_cast<Value>(-value) : b.value; } trit operator ==(const trit &b) const { return static_cast<Value>(value * b.value); } char chr() const { return "F?T"[value + 1]; } protected: typedef enum { FALSE=-1, MAYBE, TRUE } Value; Value value; trit(const Value value) : value(value) { } }; std::ostream& operator<<(std::ostream &os, const trit &t) { os << t.chr(); return os; } const trit trit::False = trit(trit::FALSE); const trit trit::Maybe = trit(trit::MAYBE); const trit trit::True = trit(trit::TRUE); int main(int, char**) { const trit trits[3] = { trit::True, trit::Maybe, trit::False }; #define for_each(name) \ for (size_t name=0; name<3; ++name) #define show_op(op) \ std::cout << std::endl << #op << " "; \ for_each(a) std::cout << ' ' << trits[a]; \ std::cout << std::endl << " -------"; \ for_each(a) { \ std::cout << std::endl << trits[a] << " |"; \ for_each(b) std::cout << ' ' << (trits[a] op trits[b]); \ } \ std::cout << std::endl; std::cout << "! ----" << std::endl; for_each(a) std::cout << trits[a] << " | " << !trits[a] << std::endl; show_op(&&); show_op(||); show_op(>>); show_op(==); return EXIT_SUCCESS; }
Port the following code from Ada to Go with equivalent syntax and logic.
package Logic is type Ternary is (True, Unknown, False); function "and"(Left, Right: Ternary) return Ternary; function "or"(Left, Right: Ternary) return Ternary; function "not"(T: Ternary) return Ternary; function Equivalent(Left, Right: Ternary) return Ternary; function Implies(Condition, Conclusion: Ternary) return Ternary; function To_Bool(X: Ternary) return Boolean; function To_Ternary(B: Boolean) return Ternary; function Image(Value: Ternary) return Character; end Logic;
package main import "fmt" type trit int8 const ( trFalse trit = iota - 1 trMaybe trTrue ) func (t trit) String() string { switch t { case trFalse: return "False" case trMaybe: return "Maybe" case trTrue: return "True " } panic("Invalid trit") } func trNot(t trit) trit { return -t } func trAnd(s, t trit) trit { if s < t { return s } return t } func trOr(s, t trit) trit { if s > t { return s } return t } func trEq(s, t trit) trit { return s * t } func main() { trSet := []trit{trFalse, trMaybe, trTrue} fmt.Println("t not t") for _, t := range trSet { fmt.Println(t, trNot(t)) } fmt.Println("\ns t s and t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trAnd(s, t)) } } fmt.Println("\ns t s or t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trOr(s, t)) } } fmt.Println("\ns t s eq t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trEq(s, t)) } } }
Convert the following code from Ada to Java, ensuring the logic remains intact.
package Logic is type Ternary is (True, Unknown, False); function "and"(Left, Right: Ternary) return Ternary; function "or"(Left, Right: Ternary) return Ternary; function "not"(T: Ternary) return Ternary; function Equivalent(Left, Right: Ternary) return Ternary; function Implies(Condition, Conclusion: Ternary) return Ternary; function To_Bool(X: Ternary) return Boolean; function To_Ternary(B: Boolean) return Ternary; function Image(Value: Ternary) return Character; end Logic;
public class Logic{ public static enum Trit{ TRUE, MAYBE, FALSE; public Trit and(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == FALSE) ? FALSE : MAYBE; }else{ return FALSE; } } public Trit or(Trit other){ if(this == TRUE){ return TRUE; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return other; } } public Trit tIf(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return TRUE; } } public Trit not(){ if(this == TRUE){ return FALSE; }else if(this == MAYBE){ return MAYBE; }else{ return TRUE; } } public Trit equals(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return MAYBE; }else{ return other.not(); } } } public static void main(String[] args){ for(Trit a:Trit.values()){ System.out.println("not " + a + ": " + a.not()); } for(Trit a:Trit.values()){ for(Trit b:Trit.values()){ System.out.println(a+" and "+b+": "+a.and(b)+ "\t "+a+" or "+b+": "+a.or(b)+ "\t "+a+" implies "+b+": "+a.tIf(b)+ "\t "+a+" = "+b+": "+a.equals(b)); } } } }
Maintain the same structure and functionality when rewriting this code in Python.
package Logic is type Ternary is (True, Unknown, False); function "and"(Left, Right: Ternary) return Ternary; function "or"(Left, Right: Ternary) return Ternary; function "not"(T: Ternary) return Ternary; function Equivalent(Left, Right: Ternary) return Ternary; function Implies(Condition, Conclusion: Ternary) return Ternary; function To_Bool(X: Ternary) return Boolean; function To_Ternary(B: Boolean) return Ternary; function Image(Value: Ternary) return Character; end Logic;
class Trit(int): def __new__(cls, value): if value == 'TRUE': value = 1 elif value == 'FALSE': value = 0 elif value == 'MAYBE': value = -1 return super(Trit, cls).__new__(cls, value // (abs(value) or 1)) def __repr__(self): if self > 0: return 'TRUE' elif self == 0: return 'FALSE' return 'MAYBE' def __str__(self): return repr(self) def __bool__(self): if self > 0: return True elif self == 0: return False else: raise ValueError("invalid literal for bool(): '%s'" % self) def __or__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __ror__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __and__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __rand__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __xor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __rxor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __invert__(self): return _ttable[self] def __getattr__(self, name): if name in ('_n', 'flip'): return _ttable[self] else: raise AttributeError TRUE, FALSE, MAYBE = Trit(1), Trit(0), Trit(-1) _ttable = { TRUE: FALSE, FALSE: TRUE, MAYBE: MAYBE, (MAYBE, MAYBE): (MAYBE, MAYBE, MAYBE), (MAYBE, FALSE): (FALSE, MAYBE, MAYBE), (MAYBE, TRUE): (MAYBE, TRUE, MAYBE), (FALSE, MAYBE): (FALSE, MAYBE, MAYBE), (FALSE, FALSE): (FALSE, FALSE, FALSE), (FALSE, TRUE): (FALSE, TRUE, TRUE), ( TRUE, MAYBE): (MAYBE, TRUE, MAYBE), ( TRUE, FALSE): (FALSE, TRUE, TRUE), ( TRUE, TRUE): ( TRUE, TRUE, FALSE), } values = ('FALSE', 'TRUE ', 'MAYBE') print("\nTrit logical inverse, '~'") for a in values: expr = '~%s' % a print(' %s = %s' % (expr, eval(expr))) for op, ophelp in (('&', 'and'), ('|', 'or'), ('^', 'exclusive-or')): print("\nTrit logical %s, '%s'" % (ophelp, op)) for a in values: for b in values: expr = '%s %s %s' % (a, op, b) print(' %s = %s' % (expr, eval(expr)))
Port the provided Arturo code into C while preserving the original functionality.
vals: @[true maybe false] loop vals 'v -> print ["NOT" v "=>" not? v] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "AND" v2 "=>" and? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "OR" v2 "=>" or? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "XOR" v2 "=>" xor? v1 v2] ]
#include <stdio.h> typedef enum { TRITTRUE, TRITMAYBE, TRITFALSE } trit; trit tritNot[3] = {TRITFALSE , TRITMAYBE, TRITTRUE}; trit tritAnd[3][3] = { {TRITTRUE, TRITMAYBE, TRITFALSE}, {TRITMAYBE, TRITMAYBE, TRITFALSE}, {TRITFALSE, TRITFALSE, TRITFALSE} }; trit tritOr[3][3] = { {TRITTRUE, TRITTRUE, TRITTRUE}, {TRITTRUE, TRITMAYBE, TRITMAYBE}, {TRITTRUE, TRITMAYBE, TRITFALSE} }; trit tritThen[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITTRUE, TRITMAYBE, TRITMAYBE}, { TRITTRUE, TRITTRUE, TRITTRUE } }; trit tritEquiv[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITMAYBE, TRITMAYBE, TRITMAYBE}, { TRITFALSE, TRITMAYBE, TRITTRUE } }; const char* tritString[3] = {"T", "?", "F"}; void demo_binary_op(trit operator[3][3], const char* name) { trit operand1 = TRITTRUE; trit operand2 = TRITTRUE; printf("\n"); for( operand1 = TRITTRUE; operand1 <= TRITFALSE; ++operand1 ) { for( operand2 = TRITTRUE; operand2 <= TRITFALSE; ++operand2 ) { printf("%s %s %s: %s\n", tritString[operand1], name, tritString[operand2], tritString[operator[operand1][operand2]]); } } } int main() { trit op1 = TRITTRUE; trit op2 = TRITTRUE; for( op1 = TRITTRUE; op1 <= TRITFALSE; ++op1 ) { printf("Not %s: %s\n", tritString[op1], tritString[tritNot[op1]]); } demo_binary_op(tritAnd, "And"); demo_binary_op(tritOr, "Or"); demo_binary_op(tritThen, "Then"); demo_binary_op(tritEquiv, "Equiv"); return 0; }
Convert the following code from Arturo to C#, ensuring the logic remains intact.
vals: @[true maybe false] loop vals 'v -> print ["NOT" v "=>" not? v] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "AND" v2 "=>" and? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "OR" v2 "=>" or? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "XOR" v2 "=>" xor? v1 v2] ]
using System; public static class NullableBoolExtension { public static bool? Implies(this bool? left, bool? right) { return !left | right; } public static bool? IsEquivalentTo(this bool? left, bool? right) { return left.HasValue && right.HasValue ? left == right : default(bool?); } public static string Format(this bool? value) { return value.HasValue ? value.Value.ToString() : "Maybe"; } } public class Program { private static void Main() { var values = new[] { true, default(bool?), false }; foreach (var left in values) { Console.WriteLine("¬{0} = {1}", left.Format(), (!left).Format()); foreach (var right in values) { Console.WriteLine("{0} & {1} = {2}", left.Format(), right.Format(), (left & right).Format()); Console.WriteLine("{0} | {1} = {2}", left.Format(), right.Format(), (left | right).Format()); Console.WriteLine("{0} → {1} = {2}", left.Format(), right.Format(), left.Implies(right).Format()); Console.WriteLine("{0} ≡ {1} = {2}", left.Format(), right.Format(), left.IsEquivalentTo(right).Format()); } } } }
Write the same code in C++ as shown below in Arturo.
vals: @[true maybe false] loop vals 'v -> print ["NOT" v "=>" not? v] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "AND" v2 "=>" and? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "OR" v2 "=>" or? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "XOR" v2 "=>" xor? v1 v2] ]
#include <iostream> #include <stdlib.h> class trit { public: static const trit False, Maybe, True; trit operator !() const { return static_cast<Value>(-value); } trit operator &&(const trit &b) const { return (value < b.value) ? value : b.value; } trit operator ||(const trit &b) const { return (value > b.value) ? value : b.value; } trit operator >>(const trit &b) const { return -value > b.value ? static_cast<Value>(-value) : b.value; } trit operator ==(const trit &b) const { return static_cast<Value>(value * b.value); } char chr() const { return "F?T"[value + 1]; } protected: typedef enum { FALSE=-1, MAYBE, TRUE } Value; Value value; trit(const Value value) : value(value) { } }; std::ostream& operator<<(std::ostream &os, const trit &t) { os << t.chr(); return os; } const trit trit::False = trit(trit::FALSE); const trit trit::Maybe = trit(trit::MAYBE); const trit trit::True = trit(trit::TRUE); int main(int, char**) { const trit trits[3] = { trit::True, trit::Maybe, trit::False }; #define for_each(name) \ for (size_t name=0; name<3; ++name) #define show_op(op) \ std::cout << std::endl << #op << " "; \ for_each(a) std::cout << ' ' << trits[a]; \ std::cout << std::endl << " -------"; \ for_each(a) { \ std::cout << std::endl << trits[a] << " |"; \ for_each(b) std::cout << ' ' << (trits[a] op trits[b]); \ } \ std::cout << std::endl; std::cout << "! ----" << std::endl; for_each(a) std::cout << trits[a] << " | " << !trits[a] << std::endl; show_op(&&); show_op(||); show_op(>>); show_op(==); return EXIT_SUCCESS; }
Port the provided Arturo code into Java while preserving the original functionality.
vals: @[true maybe false] loop vals 'v -> print ["NOT" v "=>" not? v] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "AND" v2 "=>" and? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "OR" v2 "=>" or? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "XOR" v2 "=>" xor? v1 v2] ]
public class Logic{ public static enum Trit{ TRUE, MAYBE, FALSE; public Trit and(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == FALSE) ? FALSE : MAYBE; }else{ return FALSE; } } public Trit or(Trit other){ if(this == TRUE){ return TRUE; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return other; } } public Trit tIf(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return TRUE; } } public Trit not(){ if(this == TRUE){ return FALSE; }else if(this == MAYBE){ return MAYBE; }else{ return TRUE; } } public Trit equals(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return MAYBE; }else{ return other.not(); } } } public static void main(String[] args){ for(Trit a:Trit.values()){ System.out.println("not " + a + ": " + a.not()); } for(Trit a:Trit.values()){ for(Trit b:Trit.values()){ System.out.println(a+" and "+b+": "+a.and(b)+ "\t "+a+" or "+b+": "+a.or(b)+ "\t "+a+" implies "+b+": "+a.tIf(b)+ "\t "+a+" = "+b+": "+a.equals(b)); } } } }
Write a version of this Arturo function in Python with identical behavior.
vals: @[true maybe false] loop vals 'v -> print ["NOT" v "=>" not? v] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "AND" v2 "=>" and? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "OR" v2 "=>" or? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "XOR" v2 "=>" xor? v1 v2] ]
class Trit(int): def __new__(cls, value): if value == 'TRUE': value = 1 elif value == 'FALSE': value = 0 elif value == 'MAYBE': value = -1 return super(Trit, cls).__new__(cls, value // (abs(value) or 1)) def __repr__(self): if self > 0: return 'TRUE' elif self == 0: return 'FALSE' return 'MAYBE' def __str__(self): return repr(self) def __bool__(self): if self > 0: return True elif self == 0: return False else: raise ValueError("invalid literal for bool(): '%s'" % self) def __or__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __ror__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __and__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __rand__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __xor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __rxor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __invert__(self): return _ttable[self] def __getattr__(self, name): if name in ('_n', 'flip'): return _ttable[self] else: raise AttributeError TRUE, FALSE, MAYBE = Trit(1), Trit(0), Trit(-1) _ttable = { TRUE: FALSE, FALSE: TRUE, MAYBE: MAYBE, (MAYBE, MAYBE): (MAYBE, MAYBE, MAYBE), (MAYBE, FALSE): (FALSE, MAYBE, MAYBE), (MAYBE, TRUE): (MAYBE, TRUE, MAYBE), (FALSE, MAYBE): (FALSE, MAYBE, MAYBE), (FALSE, FALSE): (FALSE, FALSE, FALSE), (FALSE, TRUE): (FALSE, TRUE, TRUE), ( TRUE, MAYBE): (MAYBE, TRUE, MAYBE), ( TRUE, FALSE): (FALSE, TRUE, TRUE), ( TRUE, TRUE): ( TRUE, TRUE, FALSE), } values = ('FALSE', 'TRUE ', 'MAYBE') print("\nTrit logical inverse, '~'") for a in values: expr = '~%s' % a print(' %s = %s' % (expr, eval(expr))) for op, ophelp in (('&', 'and'), ('|', 'or'), ('^', 'exclusive-or')): print("\nTrit logical %s, '%s'" % (ophelp, op)) for a in values: for b in values: expr = '%s %s %s' % (a, op, b) print(' %s = %s' % (expr, eval(expr)))
Preserve the algorithm and functionality while converting the code from Arturo to Go.
vals: @[true maybe false] loop vals 'v -> print ["NOT" v "=>" not? v] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "AND" v2 "=>" and? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "OR" v2 "=>" or? v1 v2] ] print "" loop vals 'v1 [ loop vals 'v2 -> print [v1 "XOR" v2 "=>" xor? v1 v2] ]
package main import "fmt" type trit int8 const ( trFalse trit = iota - 1 trMaybe trTrue ) func (t trit) String() string { switch t { case trFalse: return "False" case trMaybe: return "Maybe" case trTrue: return "True " } panic("Invalid trit") } func trNot(t trit) trit { return -t } func trAnd(s, t trit) trit { if s < t { return s } return t } func trOr(s, t trit) trit { if s > t { return s } return t } func trEq(s, t trit) trit { return s * t } func main() { trSet := []trit{trFalse, trMaybe, trTrue} fmt.Println("t not t") for _, t := range trSet { fmt.Println(t, trNot(t)) } fmt.Println("\ns t s and t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trAnd(s, t)) } } fmt.Println("\ns t s or t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trOr(s, t)) } } fmt.Println("\ns t s eq t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trEq(s, t)) } } }
Convert this AutoHotKey block to C, preserving its control flow and logic.
Ternary_Not(a){ SetFormat, Float, 2.1 return Abs(a-1) } Ternary_And(a,b){ return a<b?a:b } Ternary_Or(a,b){ return a>b?a:b } Ternary_IfThen(a,b){ return a=1?b:a=0?1:a+b>1?1:0.5 } Ternary_Equiv(a,b){ return a=b?1:a=1?b:b=1?a:0.5 }
#include <stdio.h> typedef enum { TRITTRUE, TRITMAYBE, TRITFALSE } trit; trit tritNot[3] = {TRITFALSE , TRITMAYBE, TRITTRUE}; trit tritAnd[3][3] = { {TRITTRUE, TRITMAYBE, TRITFALSE}, {TRITMAYBE, TRITMAYBE, TRITFALSE}, {TRITFALSE, TRITFALSE, TRITFALSE} }; trit tritOr[3][3] = { {TRITTRUE, TRITTRUE, TRITTRUE}, {TRITTRUE, TRITMAYBE, TRITMAYBE}, {TRITTRUE, TRITMAYBE, TRITFALSE} }; trit tritThen[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITTRUE, TRITMAYBE, TRITMAYBE}, { TRITTRUE, TRITTRUE, TRITTRUE } }; trit tritEquiv[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITMAYBE, TRITMAYBE, TRITMAYBE}, { TRITFALSE, TRITMAYBE, TRITTRUE } }; const char* tritString[3] = {"T", "?", "F"}; void demo_binary_op(trit operator[3][3], const char* name) { trit operand1 = TRITTRUE; trit operand2 = TRITTRUE; printf("\n"); for( operand1 = TRITTRUE; operand1 <= TRITFALSE; ++operand1 ) { for( operand2 = TRITTRUE; operand2 <= TRITFALSE; ++operand2 ) { printf("%s %s %s: %s\n", tritString[operand1], name, tritString[operand2], tritString[operator[operand1][operand2]]); } } } int main() { trit op1 = TRITTRUE; trit op2 = TRITTRUE; for( op1 = TRITTRUE; op1 <= TRITFALSE; ++op1 ) { printf("Not %s: %s\n", tritString[op1], tritString[tritNot[op1]]); } demo_binary_op(tritAnd, "And"); demo_binary_op(tritOr, "Or"); demo_binary_op(tritThen, "Then"); demo_binary_op(tritEquiv, "Equiv"); return 0; }
Transform the following AutoHotKey implementation into C#, maintaining the same output and logic.
Ternary_Not(a){ SetFormat, Float, 2.1 return Abs(a-1) } Ternary_And(a,b){ return a<b?a:b } Ternary_Or(a,b){ return a>b?a:b } Ternary_IfThen(a,b){ return a=1?b:a=0?1:a+b>1?1:0.5 } Ternary_Equiv(a,b){ return a=b?1:a=1?b:b=1?a:0.5 }
using System; public static class NullableBoolExtension { public static bool? Implies(this bool? left, bool? right) { return !left | right; } public static bool? IsEquivalentTo(this bool? left, bool? right) { return left.HasValue && right.HasValue ? left == right : default(bool?); } public static string Format(this bool? value) { return value.HasValue ? value.Value.ToString() : "Maybe"; } } public class Program { private static void Main() { var values = new[] { true, default(bool?), false }; foreach (var left in values) { Console.WriteLine("¬{0} = {1}", left.Format(), (!left).Format()); foreach (var right in values) { Console.WriteLine("{0} & {1} = {2}", left.Format(), right.Format(), (left & right).Format()); Console.WriteLine("{0} | {1} = {2}", left.Format(), right.Format(), (left | right).Format()); Console.WriteLine("{0} → {1} = {2}", left.Format(), right.Format(), left.Implies(right).Format()); Console.WriteLine("{0} ≡ {1} = {2}", left.Format(), right.Format(), left.IsEquivalentTo(right).Format()); } } } }
Translate this program into C++ but keep the logic exactly as in AutoHotKey.
Ternary_Not(a){ SetFormat, Float, 2.1 return Abs(a-1) } Ternary_And(a,b){ return a<b?a:b } Ternary_Or(a,b){ return a>b?a:b } Ternary_IfThen(a,b){ return a=1?b:a=0?1:a+b>1?1:0.5 } Ternary_Equiv(a,b){ return a=b?1:a=1?b:b=1?a:0.5 }
#include <iostream> #include <stdlib.h> class trit { public: static const trit False, Maybe, True; trit operator !() const { return static_cast<Value>(-value); } trit operator &&(const trit &b) const { return (value < b.value) ? value : b.value; } trit operator ||(const trit &b) const { return (value > b.value) ? value : b.value; } trit operator >>(const trit &b) const { return -value > b.value ? static_cast<Value>(-value) : b.value; } trit operator ==(const trit &b) const { return static_cast<Value>(value * b.value); } char chr() const { return "F?T"[value + 1]; } protected: typedef enum { FALSE=-1, MAYBE, TRUE } Value; Value value; trit(const Value value) : value(value) { } }; std::ostream& operator<<(std::ostream &os, const trit &t) { os << t.chr(); return os; } const trit trit::False = trit(trit::FALSE); const trit trit::Maybe = trit(trit::MAYBE); const trit trit::True = trit(trit::TRUE); int main(int, char**) { const trit trits[3] = { trit::True, trit::Maybe, trit::False }; #define for_each(name) \ for (size_t name=0; name<3; ++name) #define show_op(op) \ std::cout << std::endl << #op << " "; \ for_each(a) std::cout << ' ' << trits[a]; \ std::cout << std::endl << " -------"; \ for_each(a) { \ std::cout << std::endl << trits[a] << " |"; \ for_each(b) std::cout << ' ' << (trits[a] op trits[b]); \ } \ std::cout << std::endl; std::cout << "! ----" << std::endl; for_each(a) std::cout << trits[a] << " | " << !trits[a] << std::endl; show_op(&&); show_op(||); show_op(>>); show_op(==); return EXIT_SUCCESS; }
Change the programming language of this snippet from AutoHotKey to Java without modifying what it does.
Ternary_Not(a){ SetFormat, Float, 2.1 return Abs(a-1) } Ternary_And(a,b){ return a<b?a:b } Ternary_Or(a,b){ return a>b?a:b } Ternary_IfThen(a,b){ return a=1?b:a=0?1:a+b>1?1:0.5 } Ternary_Equiv(a,b){ return a=b?1:a=1?b:b=1?a:0.5 }
public class Logic{ public static enum Trit{ TRUE, MAYBE, FALSE; public Trit and(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == FALSE) ? FALSE : MAYBE; }else{ return FALSE; } } public Trit or(Trit other){ if(this == TRUE){ return TRUE; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return other; } } public Trit tIf(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return TRUE; } } public Trit not(){ if(this == TRUE){ return FALSE; }else if(this == MAYBE){ return MAYBE; }else{ return TRUE; } } public Trit equals(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return MAYBE; }else{ return other.not(); } } } public static void main(String[] args){ for(Trit a:Trit.values()){ System.out.println("not " + a + ": " + a.not()); } for(Trit a:Trit.values()){ for(Trit b:Trit.values()){ System.out.println(a+" and "+b+": "+a.and(b)+ "\t "+a+" or "+b+": "+a.or(b)+ "\t "+a+" implies "+b+": "+a.tIf(b)+ "\t "+a+" = "+b+": "+a.equals(b)); } } } }
Write the same algorithm in Python as shown in this AutoHotKey implementation.
Ternary_Not(a){ SetFormat, Float, 2.1 return Abs(a-1) } Ternary_And(a,b){ return a<b?a:b } Ternary_Or(a,b){ return a>b?a:b } Ternary_IfThen(a,b){ return a=1?b:a=0?1:a+b>1?1:0.5 } Ternary_Equiv(a,b){ return a=b?1:a=1?b:b=1?a:0.5 }
class Trit(int): def __new__(cls, value): if value == 'TRUE': value = 1 elif value == 'FALSE': value = 0 elif value == 'MAYBE': value = -1 return super(Trit, cls).__new__(cls, value // (abs(value) or 1)) def __repr__(self): if self > 0: return 'TRUE' elif self == 0: return 'FALSE' return 'MAYBE' def __str__(self): return repr(self) def __bool__(self): if self > 0: return True elif self == 0: return False else: raise ValueError("invalid literal for bool(): '%s'" % self) def __or__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __ror__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __and__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __rand__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __xor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __rxor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __invert__(self): return _ttable[self] def __getattr__(self, name): if name in ('_n', 'flip'): return _ttable[self] else: raise AttributeError TRUE, FALSE, MAYBE = Trit(1), Trit(0), Trit(-1) _ttable = { TRUE: FALSE, FALSE: TRUE, MAYBE: MAYBE, (MAYBE, MAYBE): (MAYBE, MAYBE, MAYBE), (MAYBE, FALSE): (FALSE, MAYBE, MAYBE), (MAYBE, TRUE): (MAYBE, TRUE, MAYBE), (FALSE, MAYBE): (FALSE, MAYBE, MAYBE), (FALSE, FALSE): (FALSE, FALSE, FALSE), (FALSE, TRUE): (FALSE, TRUE, TRUE), ( TRUE, MAYBE): (MAYBE, TRUE, MAYBE), ( TRUE, FALSE): (FALSE, TRUE, TRUE), ( TRUE, TRUE): ( TRUE, TRUE, FALSE), } values = ('FALSE', 'TRUE ', 'MAYBE') print("\nTrit logical inverse, '~'") for a in values: expr = '~%s' % a print(' %s = %s' % (expr, eval(expr))) for op, ophelp in (('&', 'and'), ('|', 'or'), ('^', 'exclusive-or')): print("\nTrit logical %s, '%s'" % (ophelp, op)) for a in values: for b in values: expr = '%s %s %s' % (a, op, b) print(' %s = %s' % (expr, eval(expr)))
Translate the given AutoHotKey code snippet into Go without altering its behavior.
Ternary_Not(a){ SetFormat, Float, 2.1 return Abs(a-1) } Ternary_And(a,b){ return a<b?a:b } Ternary_Or(a,b){ return a>b?a:b } Ternary_IfThen(a,b){ return a=1?b:a=0?1:a+b>1?1:0.5 } Ternary_Equiv(a,b){ return a=b?1:a=1?b:b=1?a:0.5 }
package main import "fmt" type trit int8 const ( trFalse trit = iota - 1 trMaybe trTrue ) func (t trit) String() string { switch t { case trFalse: return "False" case trMaybe: return "Maybe" case trTrue: return "True " } panic("Invalid trit") } func trNot(t trit) trit { return -t } func trAnd(s, t trit) trit { if s < t { return s } return t } func trOr(s, t trit) trit { if s > t { return s } return t } func trEq(s, t trit) trit { return s * t } func main() { trSet := []trit{trFalse, trMaybe, trTrue} fmt.Println("t not t") for _, t := range trSet { fmt.Println(t, trNot(t)) } fmt.Println("\ns t s and t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trAnd(s, t)) } } fmt.Println("\ns t s or t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trOr(s, t)) } } fmt.Println("\ns t s eq t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trEq(s, t)) } } }
Convert the following code from BBC_Basic to C, ensuring the logic remains intact.
INSTALL @lib$ + "CLASSLIB" DIM trit{tor, tand, teqv, tnot, tnor, s, v} DEF PRIVATE trit.s (t&) LOCAL t$():DIM t$(2):t$()="FALSE","MAYBE","TRUE":=t$(t&) DEF PRIVATE trit.v (t$) = INSTR("FALSE MAYBE TRUE", t$) DIV 6 DEF trit.tnot (t$) = FN(trit.s)(2 - FN(trit.v)(t$)) DEF trit.tor (a$,b$) LOCAL t:t=FN(trit.v)(a$)ORFN(trit.v)(b$):=FN(trit.s)(t+(t>2)) DEF trit.tnor (a$,b$) = FN(trit.tnot)(FN(trit.tor)(a$,b$)) DEF trit.tand (a$,b$) = FN(trit.tnor)(FN(trit.tnot)(a$),FN(trit.tnot)(b$)) DEF trit.teqv (a$,b$) = FN(trit.tor)(FN(trit.tand)(a$,b$),FN(trit.tnor)(a$,b$)) PROC_class(trit{}) PROC_new(mytrit{}, trit{}) PRINT "Testing NOT:" PRINT "NOT FALSE = " FN(mytrit.tnot)("FALSE") PRINT "NOT MAYBE = " FN(mytrit.tnot)("MAYBE") PRINT "NOT TRUE = " FN(mytrit.tnot)("TRUE") PRINT '"Testing OR:" PRINT "FALSE OR FALSE = " FN(mytrit.tor)("FALSE","FALSE") PRINT "FALSE OR MAYBE = " FN(mytrit.tor)("FALSE","MAYBE") PRINT "FALSE OR TRUE = " FN(mytrit.tor)("FALSE","TRUE") PRINT "MAYBE OR MAYBE = " FN(mytrit.tor)("MAYBE","MAYBE") PRINT "MAYBE OR TRUE = " FN(mytrit.tor)("MAYBE","TRUE") PRINT "TRUE OR TRUE = " FN(mytrit.tor)("TRUE","TRUE") PRINT '"Testing AND:" PRINT "FALSE AND FALSE = " FN(mytrit.tand)("FALSE","FALSE") PRINT "FALSE AND MAYBE = " FN(mytrit.tand)("FALSE","MAYBE") PRINT "FALSE AND TRUE = " FN(mytrit.tand)("FALSE","TRUE") PRINT "MAYBE AND MAYBE = " FN(mytrit.tand)("MAYBE","MAYBE") PRINT "MAYBE AND TRUE = " FN(mytrit.tand)("MAYBE","TRUE") PRINT "TRUE AND TRUE = " FN(mytrit.tand)("TRUE","TRUE") PRINT '"Testing EQV (similar to EOR):" PRINT "FALSE EQV FALSE = " FN(mytrit.teqv)("FALSE","FALSE") PRINT "FALSE EQV MAYBE = " FN(mytrit.teqv)("FALSE","MAYBE") PRINT "FALSE EQV TRUE = " FN(mytrit.teqv)("FALSE","TRUE") PRINT "MAYBE EQV MAYBE = " FN(mytrit.teqv)("MAYBE","MAYBE") PRINT "MAYBE EQV TRUE = " FN(mytrit.teqv)("MAYBE","TRUE") PRINT "TRUE EQV TRUE = " FN(mytrit.teqv)("TRUE","TRUE") PROC_discard(mytrit{})
#include <stdio.h> typedef enum { TRITTRUE, TRITMAYBE, TRITFALSE } trit; trit tritNot[3] = {TRITFALSE , TRITMAYBE, TRITTRUE}; trit tritAnd[3][3] = { {TRITTRUE, TRITMAYBE, TRITFALSE}, {TRITMAYBE, TRITMAYBE, TRITFALSE}, {TRITFALSE, TRITFALSE, TRITFALSE} }; trit tritOr[3][3] = { {TRITTRUE, TRITTRUE, TRITTRUE}, {TRITTRUE, TRITMAYBE, TRITMAYBE}, {TRITTRUE, TRITMAYBE, TRITFALSE} }; trit tritThen[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITTRUE, TRITMAYBE, TRITMAYBE}, { TRITTRUE, TRITTRUE, TRITTRUE } }; trit tritEquiv[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITMAYBE, TRITMAYBE, TRITMAYBE}, { TRITFALSE, TRITMAYBE, TRITTRUE } }; const char* tritString[3] = {"T", "?", "F"}; void demo_binary_op(trit operator[3][3], const char* name) { trit operand1 = TRITTRUE; trit operand2 = TRITTRUE; printf("\n"); for( operand1 = TRITTRUE; operand1 <= TRITFALSE; ++operand1 ) { for( operand2 = TRITTRUE; operand2 <= TRITFALSE; ++operand2 ) { printf("%s %s %s: %s\n", tritString[operand1], name, tritString[operand2], tritString[operator[operand1][operand2]]); } } } int main() { trit op1 = TRITTRUE; trit op2 = TRITTRUE; for( op1 = TRITTRUE; op1 <= TRITFALSE; ++op1 ) { printf("Not %s: %s\n", tritString[op1], tritString[tritNot[op1]]); } demo_binary_op(tritAnd, "And"); demo_binary_op(tritOr, "Or"); demo_binary_op(tritThen, "Then"); demo_binary_op(tritEquiv, "Equiv"); return 0; }
Write a version of this BBC_Basic function in C# with identical behavior.
INSTALL @lib$ + "CLASSLIB" DIM trit{tor, tand, teqv, tnot, tnor, s, v} DEF PRIVATE trit.s (t&) LOCAL t$():DIM t$(2):t$()="FALSE","MAYBE","TRUE":=t$(t&) DEF PRIVATE trit.v (t$) = INSTR("FALSE MAYBE TRUE", t$) DIV 6 DEF trit.tnot (t$) = FN(trit.s)(2 - FN(trit.v)(t$)) DEF trit.tor (a$,b$) LOCAL t:t=FN(trit.v)(a$)ORFN(trit.v)(b$):=FN(trit.s)(t+(t>2)) DEF trit.tnor (a$,b$) = FN(trit.tnot)(FN(trit.tor)(a$,b$)) DEF trit.tand (a$,b$) = FN(trit.tnor)(FN(trit.tnot)(a$),FN(trit.tnot)(b$)) DEF trit.teqv (a$,b$) = FN(trit.tor)(FN(trit.tand)(a$,b$),FN(trit.tnor)(a$,b$)) PROC_class(trit{}) PROC_new(mytrit{}, trit{}) PRINT "Testing NOT:" PRINT "NOT FALSE = " FN(mytrit.tnot)("FALSE") PRINT "NOT MAYBE = " FN(mytrit.tnot)("MAYBE") PRINT "NOT TRUE = " FN(mytrit.tnot)("TRUE") PRINT '"Testing OR:" PRINT "FALSE OR FALSE = " FN(mytrit.tor)("FALSE","FALSE") PRINT "FALSE OR MAYBE = " FN(mytrit.tor)("FALSE","MAYBE") PRINT "FALSE OR TRUE = " FN(mytrit.tor)("FALSE","TRUE") PRINT "MAYBE OR MAYBE = " FN(mytrit.tor)("MAYBE","MAYBE") PRINT "MAYBE OR TRUE = " FN(mytrit.tor)("MAYBE","TRUE") PRINT "TRUE OR TRUE = " FN(mytrit.tor)("TRUE","TRUE") PRINT '"Testing AND:" PRINT "FALSE AND FALSE = " FN(mytrit.tand)("FALSE","FALSE") PRINT "FALSE AND MAYBE = " FN(mytrit.tand)("FALSE","MAYBE") PRINT "FALSE AND TRUE = " FN(mytrit.tand)("FALSE","TRUE") PRINT "MAYBE AND MAYBE = " FN(mytrit.tand)("MAYBE","MAYBE") PRINT "MAYBE AND TRUE = " FN(mytrit.tand)("MAYBE","TRUE") PRINT "TRUE AND TRUE = " FN(mytrit.tand)("TRUE","TRUE") PRINT '"Testing EQV (similar to EOR):" PRINT "FALSE EQV FALSE = " FN(mytrit.teqv)("FALSE","FALSE") PRINT "FALSE EQV MAYBE = " FN(mytrit.teqv)("FALSE","MAYBE") PRINT "FALSE EQV TRUE = " FN(mytrit.teqv)("FALSE","TRUE") PRINT "MAYBE EQV MAYBE = " FN(mytrit.teqv)("MAYBE","MAYBE") PRINT "MAYBE EQV TRUE = " FN(mytrit.teqv)("MAYBE","TRUE") PRINT "TRUE EQV TRUE = " FN(mytrit.teqv)("TRUE","TRUE") PROC_discard(mytrit{})
using System; public static class NullableBoolExtension { public static bool? Implies(this bool? left, bool? right) { return !left | right; } public static bool? IsEquivalentTo(this bool? left, bool? right) { return left.HasValue && right.HasValue ? left == right : default(bool?); } public static string Format(this bool? value) { return value.HasValue ? value.Value.ToString() : "Maybe"; } } public class Program { private static void Main() { var values = new[] { true, default(bool?), false }; foreach (var left in values) { Console.WriteLine("¬{0} = {1}", left.Format(), (!left).Format()); foreach (var right in values) { Console.WriteLine("{0} & {1} = {2}", left.Format(), right.Format(), (left & right).Format()); Console.WriteLine("{0} | {1} = {2}", left.Format(), right.Format(), (left | right).Format()); Console.WriteLine("{0} → {1} = {2}", left.Format(), right.Format(), left.Implies(right).Format()); Console.WriteLine("{0} ≡ {1} = {2}", left.Format(), right.Format(), left.IsEquivalentTo(right).Format()); } } } }
Convert the following code from BBC_Basic to C++, ensuring the logic remains intact.
INSTALL @lib$ + "CLASSLIB" DIM trit{tor, tand, teqv, tnot, tnor, s, v} DEF PRIVATE trit.s (t&) LOCAL t$():DIM t$(2):t$()="FALSE","MAYBE","TRUE":=t$(t&) DEF PRIVATE trit.v (t$) = INSTR("FALSE MAYBE TRUE", t$) DIV 6 DEF trit.tnot (t$) = FN(trit.s)(2 - FN(trit.v)(t$)) DEF trit.tor (a$,b$) LOCAL t:t=FN(trit.v)(a$)ORFN(trit.v)(b$):=FN(trit.s)(t+(t>2)) DEF trit.tnor (a$,b$) = FN(trit.tnot)(FN(trit.tor)(a$,b$)) DEF trit.tand (a$,b$) = FN(trit.tnor)(FN(trit.tnot)(a$),FN(trit.tnot)(b$)) DEF trit.teqv (a$,b$) = FN(trit.tor)(FN(trit.tand)(a$,b$),FN(trit.tnor)(a$,b$)) PROC_class(trit{}) PROC_new(mytrit{}, trit{}) PRINT "Testing NOT:" PRINT "NOT FALSE = " FN(mytrit.tnot)("FALSE") PRINT "NOT MAYBE = " FN(mytrit.tnot)("MAYBE") PRINT "NOT TRUE = " FN(mytrit.tnot)("TRUE") PRINT '"Testing OR:" PRINT "FALSE OR FALSE = " FN(mytrit.tor)("FALSE","FALSE") PRINT "FALSE OR MAYBE = " FN(mytrit.tor)("FALSE","MAYBE") PRINT "FALSE OR TRUE = " FN(mytrit.tor)("FALSE","TRUE") PRINT "MAYBE OR MAYBE = " FN(mytrit.tor)("MAYBE","MAYBE") PRINT "MAYBE OR TRUE = " FN(mytrit.tor)("MAYBE","TRUE") PRINT "TRUE OR TRUE = " FN(mytrit.tor)("TRUE","TRUE") PRINT '"Testing AND:" PRINT "FALSE AND FALSE = " FN(mytrit.tand)("FALSE","FALSE") PRINT "FALSE AND MAYBE = " FN(mytrit.tand)("FALSE","MAYBE") PRINT "FALSE AND TRUE = " FN(mytrit.tand)("FALSE","TRUE") PRINT "MAYBE AND MAYBE = " FN(mytrit.tand)("MAYBE","MAYBE") PRINT "MAYBE AND TRUE = " FN(mytrit.tand)("MAYBE","TRUE") PRINT "TRUE AND TRUE = " FN(mytrit.tand)("TRUE","TRUE") PRINT '"Testing EQV (similar to EOR):" PRINT "FALSE EQV FALSE = " FN(mytrit.teqv)("FALSE","FALSE") PRINT "FALSE EQV MAYBE = " FN(mytrit.teqv)("FALSE","MAYBE") PRINT "FALSE EQV TRUE = " FN(mytrit.teqv)("FALSE","TRUE") PRINT "MAYBE EQV MAYBE = " FN(mytrit.teqv)("MAYBE","MAYBE") PRINT "MAYBE EQV TRUE = " FN(mytrit.teqv)("MAYBE","TRUE") PRINT "TRUE EQV TRUE = " FN(mytrit.teqv)("TRUE","TRUE") PROC_discard(mytrit{})
#include <iostream> #include <stdlib.h> class trit { public: static const trit False, Maybe, True; trit operator !() const { return static_cast<Value>(-value); } trit operator &&(const trit &b) const { return (value < b.value) ? value : b.value; } trit operator ||(const trit &b) const { return (value > b.value) ? value : b.value; } trit operator >>(const trit &b) const { return -value > b.value ? static_cast<Value>(-value) : b.value; } trit operator ==(const trit &b) const { return static_cast<Value>(value * b.value); } char chr() const { return "F?T"[value + 1]; } protected: typedef enum { FALSE=-1, MAYBE, TRUE } Value; Value value; trit(const Value value) : value(value) { } }; std::ostream& operator<<(std::ostream &os, const trit &t) { os << t.chr(); return os; } const trit trit::False = trit(trit::FALSE); const trit trit::Maybe = trit(trit::MAYBE); const trit trit::True = trit(trit::TRUE); int main(int, char**) { const trit trits[3] = { trit::True, trit::Maybe, trit::False }; #define for_each(name) \ for (size_t name=0; name<3; ++name) #define show_op(op) \ std::cout << std::endl << #op << " "; \ for_each(a) std::cout << ' ' << trits[a]; \ std::cout << std::endl << " -------"; \ for_each(a) { \ std::cout << std::endl << trits[a] << " |"; \ for_each(b) std::cout << ' ' << (trits[a] op trits[b]); \ } \ std::cout << std::endl; std::cout << "! ----" << std::endl; for_each(a) std::cout << trits[a] << " | " << !trits[a] << std::endl; show_op(&&); show_op(||); show_op(>>); show_op(==); return EXIT_SUCCESS; }
Keep all operations the same but rewrite the snippet in Java.
INSTALL @lib$ + "CLASSLIB" DIM trit{tor, tand, teqv, tnot, tnor, s, v} DEF PRIVATE trit.s (t&) LOCAL t$():DIM t$(2):t$()="FALSE","MAYBE","TRUE":=t$(t&) DEF PRIVATE trit.v (t$) = INSTR("FALSE MAYBE TRUE", t$) DIV 6 DEF trit.tnot (t$) = FN(trit.s)(2 - FN(trit.v)(t$)) DEF trit.tor (a$,b$) LOCAL t:t=FN(trit.v)(a$)ORFN(trit.v)(b$):=FN(trit.s)(t+(t>2)) DEF trit.tnor (a$,b$) = FN(trit.tnot)(FN(trit.tor)(a$,b$)) DEF trit.tand (a$,b$) = FN(trit.tnor)(FN(trit.tnot)(a$),FN(trit.tnot)(b$)) DEF trit.teqv (a$,b$) = FN(trit.tor)(FN(trit.tand)(a$,b$),FN(trit.tnor)(a$,b$)) PROC_class(trit{}) PROC_new(mytrit{}, trit{}) PRINT "Testing NOT:" PRINT "NOT FALSE = " FN(mytrit.tnot)("FALSE") PRINT "NOT MAYBE = " FN(mytrit.tnot)("MAYBE") PRINT "NOT TRUE = " FN(mytrit.tnot)("TRUE") PRINT '"Testing OR:" PRINT "FALSE OR FALSE = " FN(mytrit.tor)("FALSE","FALSE") PRINT "FALSE OR MAYBE = " FN(mytrit.tor)("FALSE","MAYBE") PRINT "FALSE OR TRUE = " FN(mytrit.tor)("FALSE","TRUE") PRINT "MAYBE OR MAYBE = " FN(mytrit.tor)("MAYBE","MAYBE") PRINT "MAYBE OR TRUE = " FN(mytrit.tor)("MAYBE","TRUE") PRINT "TRUE OR TRUE = " FN(mytrit.tor)("TRUE","TRUE") PRINT '"Testing AND:" PRINT "FALSE AND FALSE = " FN(mytrit.tand)("FALSE","FALSE") PRINT "FALSE AND MAYBE = " FN(mytrit.tand)("FALSE","MAYBE") PRINT "FALSE AND TRUE = " FN(mytrit.tand)("FALSE","TRUE") PRINT "MAYBE AND MAYBE = " FN(mytrit.tand)("MAYBE","MAYBE") PRINT "MAYBE AND TRUE = " FN(mytrit.tand)("MAYBE","TRUE") PRINT "TRUE AND TRUE = " FN(mytrit.tand)("TRUE","TRUE") PRINT '"Testing EQV (similar to EOR):" PRINT "FALSE EQV FALSE = " FN(mytrit.teqv)("FALSE","FALSE") PRINT "FALSE EQV MAYBE = " FN(mytrit.teqv)("FALSE","MAYBE") PRINT "FALSE EQV TRUE = " FN(mytrit.teqv)("FALSE","TRUE") PRINT "MAYBE EQV MAYBE = " FN(mytrit.teqv)("MAYBE","MAYBE") PRINT "MAYBE EQV TRUE = " FN(mytrit.teqv)("MAYBE","TRUE") PRINT "TRUE EQV TRUE = " FN(mytrit.teqv)("TRUE","TRUE") PROC_discard(mytrit{})
public class Logic{ public static enum Trit{ TRUE, MAYBE, FALSE; public Trit and(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == FALSE) ? FALSE : MAYBE; }else{ return FALSE; } } public Trit or(Trit other){ if(this == TRUE){ return TRUE; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return other; } } public Trit tIf(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return TRUE; } } public Trit not(){ if(this == TRUE){ return FALSE; }else if(this == MAYBE){ return MAYBE; }else{ return TRUE; } } public Trit equals(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return MAYBE; }else{ return other.not(); } } } public static void main(String[] args){ for(Trit a:Trit.values()){ System.out.println("not " + a + ": " + a.not()); } for(Trit a:Trit.values()){ for(Trit b:Trit.values()){ System.out.println(a+" and "+b+": "+a.and(b)+ "\t "+a+" or "+b+": "+a.or(b)+ "\t "+a+" implies "+b+": "+a.tIf(b)+ "\t "+a+" = "+b+": "+a.equals(b)); } } } }
Write the same algorithm in Python as shown in this BBC_Basic implementation.
INSTALL @lib$ + "CLASSLIB" DIM trit{tor, tand, teqv, tnot, tnor, s, v} DEF PRIVATE trit.s (t&) LOCAL t$():DIM t$(2):t$()="FALSE","MAYBE","TRUE":=t$(t&) DEF PRIVATE trit.v (t$) = INSTR("FALSE MAYBE TRUE", t$) DIV 6 DEF trit.tnot (t$) = FN(trit.s)(2 - FN(trit.v)(t$)) DEF trit.tor (a$,b$) LOCAL t:t=FN(trit.v)(a$)ORFN(trit.v)(b$):=FN(trit.s)(t+(t>2)) DEF trit.tnor (a$,b$) = FN(trit.tnot)(FN(trit.tor)(a$,b$)) DEF trit.tand (a$,b$) = FN(trit.tnor)(FN(trit.tnot)(a$),FN(trit.tnot)(b$)) DEF trit.teqv (a$,b$) = FN(trit.tor)(FN(trit.tand)(a$,b$),FN(trit.tnor)(a$,b$)) PROC_class(trit{}) PROC_new(mytrit{}, trit{}) PRINT "Testing NOT:" PRINT "NOT FALSE = " FN(mytrit.tnot)("FALSE") PRINT "NOT MAYBE = " FN(mytrit.tnot)("MAYBE") PRINT "NOT TRUE = " FN(mytrit.tnot)("TRUE") PRINT '"Testing OR:" PRINT "FALSE OR FALSE = " FN(mytrit.tor)("FALSE","FALSE") PRINT "FALSE OR MAYBE = " FN(mytrit.tor)("FALSE","MAYBE") PRINT "FALSE OR TRUE = " FN(mytrit.tor)("FALSE","TRUE") PRINT "MAYBE OR MAYBE = " FN(mytrit.tor)("MAYBE","MAYBE") PRINT "MAYBE OR TRUE = " FN(mytrit.tor)("MAYBE","TRUE") PRINT "TRUE OR TRUE = " FN(mytrit.tor)("TRUE","TRUE") PRINT '"Testing AND:" PRINT "FALSE AND FALSE = " FN(mytrit.tand)("FALSE","FALSE") PRINT "FALSE AND MAYBE = " FN(mytrit.tand)("FALSE","MAYBE") PRINT "FALSE AND TRUE = " FN(mytrit.tand)("FALSE","TRUE") PRINT "MAYBE AND MAYBE = " FN(mytrit.tand)("MAYBE","MAYBE") PRINT "MAYBE AND TRUE = " FN(mytrit.tand)("MAYBE","TRUE") PRINT "TRUE AND TRUE = " FN(mytrit.tand)("TRUE","TRUE") PRINT '"Testing EQV (similar to EOR):" PRINT "FALSE EQV FALSE = " FN(mytrit.teqv)("FALSE","FALSE") PRINT "FALSE EQV MAYBE = " FN(mytrit.teqv)("FALSE","MAYBE") PRINT "FALSE EQV TRUE = " FN(mytrit.teqv)("FALSE","TRUE") PRINT "MAYBE EQV MAYBE = " FN(mytrit.teqv)("MAYBE","MAYBE") PRINT "MAYBE EQV TRUE = " FN(mytrit.teqv)("MAYBE","TRUE") PRINT "TRUE EQV TRUE = " FN(mytrit.teqv)("TRUE","TRUE") PROC_discard(mytrit{})
class Trit(int): def __new__(cls, value): if value == 'TRUE': value = 1 elif value == 'FALSE': value = 0 elif value == 'MAYBE': value = -1 return super(Trit, cls).__new__(cls, value // (abs(value) or 1)) def __repr__(self): if self > 0: return 'TRUE' elif self == 0: return 'FALSE' return 'MAYBE' def __str__(self): return repr(self) def __bool__(self): if self > 0: return True elif self == 0: return False else: raise ValueError("invalid literal for bool(): '%s'" % self) def __or__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __ror__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __and__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __rand__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __xor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __rxor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __invert__(self): return _ttable[self] def __getattr__(self, name): if name in ('_n', 'flip'): return _ttable[self] else: raise AttributeError TRUE, FALSE, MAYBE = Trit(1), Trit(0), Trit(-1) _ttable = { TRUE: FALSE, FALSE: TRUE, MAYBE: MAYBE, (MAYBE, MAYBE): (MAYBE, MAYBE, MAYBE), (MAYBE, FALSE): (FALSE, MAYBE, MAYBE), (MAYBE, TRUE): (MAYBE, TRUE, MAYBE), (FALSE, MAYBE): (FALSE, MAYBE, MAYBE), (FALSE, FALSE): (FALSE, FALSE, FALSE), (FALSE, TRUE): (FALSE, TRUE, TRUE), ( TRUE, MAYBE): (MAYBE, TRUE, MAYBE), ( TRUE, FALSE): (FALSE, TRUE, TRUE), ( TRUE, TRUE): ( TRUE, TRUE, FALSE), } values = ('FALSE', 'TRUE ', 'MAYBE') print("\nTrit logical inverse, '~'") for a in values: expr = '~%s' % a print(' %s = %s' % (expr, eval(expr))) for op, ophelp in (('&', 'and'), ('|', 'or'), ('^', 'exclusive-or')): print("\nTrit logical %s, '%s'" % (ophelp, op)) for a in values: for b in values: expr = '%s %s %s' % (a, op, b) print(' %s = %s' % (expr, eval(expr)))
Generate an equivalent Go version of this BBC_Basic code.
INSTALL @lib$ + "CLASSLIB" DIM trit{tor, tand, teqv, tnot, tnor, s, v} DEF PRIVATE trit.s (t&) LOCAL t$():DIM t$(2):t$()="FALSE","MAYBE","TRUE":=t$(t&) DEF PRIVATE trit.v (t$) = INSTR("FALSE MAYBE TRUE", t$) DIV 6 DEF trit.tnot (t$) = FN(trit.s)(2 - FN(trit.v)(t$)) DEF trit.tor (a$,b$) LOCAL t:t=FN(trit.v)(a$)ORFN(trit.v)(b$):=FN(trit.s)(t+(t>2)) DEF trit.tnor (a$,b$) = FN(trit.tnot)(FN(trit.tor)(a$,b$)) DEF trit.tand (a$,b$) = FN(trit.tnor)(FN(trit.tnot)(a$),FN(trit.tnot)(b$)) DEF trit.teqv (a$,b$) = FN(trit.tor)(FN(trit.tand)(a$,b$),FN(trit.tnor)(a$,b$)) PROC_class(trit{}) PROC_new(mytrit{}, trit{}) PRINT "Testing NOT:" PRINT "NOT FALSE = " FN(mytrit.tnot)("FALSE") PRINT "NOT MAYBE = " FN(mytrit.tnot)("MAYBE") PRINT "NOT TRUE = " FN(mytrit.tnot)("TRUE") PRINT '"Testing OR:" PRINT "FALSE OR FALSE = " FN(mytrit.tor)("FALSE","FALSE") PRINT "FALSE OR MAYBE = " FN(mytrit.tor)("FALSE","MAYBE") PRINT "FALSE OR TRUE = " FN(mytrit.tor)("FALSE","TRUE") PRINT "MAYBE OR MAYBE = " FN(mytrit.tor)("MAYBE","MAYBE") PRINT "MAYBE OR TRUE = " FN(mytrit.tor)("MAYBE","TRUE") PRINT "TRUE OR TRUE = " FN(mytrit.tor)("TRUE","TRUE") PRINT '"Testing AND:" PRINT "FALSE AND FALSE = " FN(mytrit.tand)("FALSE","FALSE") PRINT "FALSE AND MAYBE = " FN(mytrit.tand)("FALSE","MAYBE") PRINT "FALSE AND TRUE = " FN(mytrit.tand)("FALSE","TRUE") PRINT "MAYBE AND MAYBE = " FN(mytrit.tand)("MAYBE","MAYBE") PRINT "MAYBE AND TRUE = " FN(mytrit.tand)("MAYBE","TRUE") PRINT "TRUE AND TRUE = " FN(mytrit.tand)("TRUE","TRUE") PRINT '"Testing EQV (similar to EOR):" PRINT "FALSE EQV FALSE = " FN(mytrit.teqv)("FALSE","FALSE") PRINT "FALSE EQV MAYBE = " FN(mytrit.teqv)("FALSE","MAYBE") PRINT "FALSE EQV TRUE = " FN(mytrit.teqv)("FALSE","TRUE") PRINT "MAYBE EQV MAYBE = " FN(mytrit.teqv)("MAYBE","MAYBE") PRINT "MAYBE EQV TRUE = " FN(mytrit.teqv)("MAYBE","TRUE") PRINT "TRUE EQV TRUE = " FN(mytrit.teqv)("TRUE","TRUE") PROC_discard(mytrit{})
package main import "fmt" type trit int8 const ( trFalse trit = iota - 1 trMaybe trTrue ) func (t trit) String() string { switch t { case trFalse: return "False" case trMaybe: return "Maybe" case trTrue: return "True " } panic("Invalid trit") } func trNot(t trit) trit { return -t } func trAnd(s, t trit) trit { if s < t { return s } return t } func trOr(s, t trit) trit { if s > t { return s } return t } func trEq(s, t trit) trit { return s * t } func main() { trSet := []trit{trFalse, trMaybe, trTrue} fmt.Println("t not t") for _, t := range trSet { fmt.Println(t, trNot(t)) } fmt.Println("\ns t s and t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trAnd(s, t)) } } fmt.Println("\ns t s or t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trOr(s, t)) } } fmt.Println("\ns t s eq t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trEq(s, t)) } } }
Convert this Common_Lisp snippet to C and keep its semantics consistent.
(defun tri-not (x) (- 1 x)) (defun tri-and (&rest x) (apply #'* x)) (defun tri-or (&rest x) (tri-not (apply #'* (mapcar #'tri-not x)))) (defun tri-eq (x y) (+ (tri-and x y) (tri-and (- 1 x) (- 1 y)))) (defun tri-imply (x y) (tri-or (tri-not x) y)) (defun tri-test (x) (< (random 1e0) x)) (defun tri-string (x) (if (= x 1) "T" (if (= x 0) "F" "?"))) (defmacro tri-if (tri ifcase &optional elsecase) `(if (tri-test ,tri) ,ifcase ,elsecase)) (defun print-table (func header) (let ((vals '(1 .5 0))) (format t "~%~a:~%" header) (format t " ~{~a ~^~}~%---------~%" (mapcar #'tri-string vals)) (loop for row in vals do (format t "~a | " (tri-string row)) (loop for col in vals do (format t "~a " (tri-string (funcall func row col)))) (write-line "")))) (write-line "NOT:") (loop for row in '(1 .5 0) do (format t "~a | ~a~%" (tri-string row) (tri-string (tri-not row)))) (print-table #'tri-and "AND") (print-table #'tri-or "OR") (print-table #'tri-imply "IMPLY") (print-table #'tri-eq "EQUAL")
#include <stdio.h> typedef enum { TRITTRUE, TRITMAYBE, TRITFALSE } trit; trit tritNot[3] = {TRITFALSE , TRITMAYBE, TRITTRUE}; trit tritAnd[3][3] = { {TRITTRUE, TRITMAYBE, TRITFALSE}, {TRITMAYBE, TRITMAYBE, TRITFALSE}, {TRITFALSE, TRITFALSE, TRITFALSE} }; trit tritOr[3][3] = { {TRITTRUE, TRITTRUE, TRITTRUE}, {TRITTRUE, TRITMAYBE, TRITMAYBE}, {TRITTRUE, TRITMAYBE, TRITFALSE} }; trit tritThen[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITTRUE, TRITMAYBE, TRITMAYBE}, { TRITTRUE, TRITTRUE, TRITTRUE } }; trit tritEquiv[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITMAYBE, TRITMAYBE, TRITMAYBE}, { TRITFALSE, TRITMAYBE, TRITTRUE } }; const char* tritString[3] = {"T", "?", "F"}; void demo_binary_op(trit operator[3][3], const char* name) { trit operand1 = TRITTRUE; trit operand2 = TRITTRUE; printf("\n"); for( operand1 = TRITTRUE; operand1 <= TRITFALSE; ++operand1 ) { for( operand2 = TRITTRUE; operand2 <= TRITFALSE; ++operand2 ) { printf("%s %s %s: %s\n", tritString[operand1], name, tritString[operand2], tritString[operator[operand1][operand2]]); } } } int main() { trit op1 = TRITTRUE; trit op2 = TRITTRUE; for( op1 = TRITTRUE; op1 <= TRITFALSE; ++op1 ) { printf("Not %s: %s\n", tritString[op1], tritString[tritNot[op1]]); } demo_binary_op(tritAnd, "And"); demo_binary_op(tritOr, "Or"); demo_binary_op(tritThen, "Then"); demo_binary_op(tritEquiv, "Equiv"); return 0; }
Generate an equivalent C# version of this Common_Lisp code.
(defun tri-not (x) (- 1 x)) (defun tri-and (&rest x) (apply #'* x)) (defun tri-or (&rest x) (tri-not (apply #'* (mapcar #'tri-not x)))) (defun tri-eq (x y) (+ (tri-and x y) (tri-and (- 1 x) (- 1 y)))) (defun tri-imply (x y) (tri-or (tri-not x) y)) (defun tri-test (x) (< (random 1e0) x)) (defun tri-string (x) (if (= x 1) "T" (if (= x 0) "F" "?"))) (defmacro tri-if (tri ifcase &optional elsecase) `(if (tri-test ,tri) ,ifcase ,elsecase)) (defun print-table (func header) (let ((vals '(1 .5 0))) (format t "~%~a:~%" header) (format t " ~{~a ~^~}~%---------~%" (mapcar #'tri-string vals)) (loop for row in vals do (format t "~a | " (tri-string row)) (loop for col in vals do (format t "~a " (tri-string (funcall func row col)))) (write-line "")))) (write-line "NOT:") (loop for row in '(1 .5 0) do (format t "~a | ~a~%" (tri-string row) (tri-string (tri-not row)))) (print-table #'tri-and "AND") (print-table #'tri-or "OR") (print-table #'tri-imply "IMPLY") (print-table #'tri-eq "EQUAL")
using System; public static class NullableBoolExtension { public static bool? Implies(this bool? left, bool? right) { return !left | right; } public static bool? IsEquivalentTo(this bool? left, bool? right) { return left.HasValue && right.HasValue ? left == right : default(bool?); } public static string Format(this bool? value) { return value.HasValue ? value.Value.ToString() : "Maybe"; } } public class Program { private static void Main() { var values = new[] { true, default(bool?), false }; foreach (var left in values) { Console.WriteLine("¬{0} = {1}", left.Format(), (!left).Format()); foreach (var right in values) { Console.WriteLine("{0} & {1} = {2}", left.Format(), right.Format(), (left & right).Format()); Console.WriteLine("{0} | {1} = {2}", left.Format(), right.Format(), (left | right).Format()); Console.WriteLine("{0} → {1} = {2}", left.Format(), right.Format(), left.Implies(right).Format()); Console.WriteLine("{0} ≡ {1} = {2}", left.Format(), right.Format(), left.IsEquivalentTo(right).Format()); } } } }
Ensure the translated C++ code behaves exactly like the original Common_Lisp snippet.
(defun tri-not (x) (- 1 x)) (defun tri-and (&rest x) (apply #'* x)) (defun tri-or (&rest x) (tri-not (apply #'* (mapcar #'tri-not x)))) (defun tri-eq (x y) (+ (tri-and x y) (tri-and (- 1 x) (- 1 y)))) (defun tri-imply (x y) (tri-or (tri-not x) y)) (defun tri-test (x) (< (random 1e0) x)) (defun tri-string (x) (if (= x 1) "T" (if (= x 0) "F" "?"))) (defmacro tri-if (tri ifcase &optional elsecase) `(if (tri-test ,tri) ,ifcase ,elsecase)) (defun print-table (func header) (let ((vals '(1 .5 0))) (format t "~%~a:~%" header) (format t " ~{~a ~^~}~%---------~%" (mapcar #'tri-string vals)) (loop for row in vals do (format t "~a | " (tri-string row)) (loop for col in vals do (format t "~a " (tri-string (funcall func row col)))) (write-line "")))) (write-line "NOT:") (loop for row in '(1 .5 0) do (format t "~a | ~a~%" (tri-string row) (tri-string (tri-not row)))) (print-table #'tri-and "AND") (print-table #'tri-or "OR") (print-table #'tri-imply "IMPLY") (print-table #'tri-eq "EQUAL")
#include <iostream> #include <stdlib.h> class trit { public: static const trit False, Maybe, True; trit operator !() const { return static_cast<Value>(-value); } trit operator &&(const trit &b) const { return (value < b.value) ? value : b.value; } trit operator ||(const trit &b) const { return (value > b.value) ? value : b.value; } trit operator >>(const trit &b) const { return -value > b.value ? static_cast<Value>(-value) : b.value; } trit operator ==(const trit &b) const { return static_cast<Value>(value * b.value); } char chr() const { return "F?T"[value + 1]; } protected: typedef enum { FALSE=-1, MAYBE, TRUE } Value; Value value; trit(const Value value) : value(value) { } }; std::ostream& operator<<(std::ostream &os, const trit &t) { os << t.chr(); return os; } const trit trit::False = trit(trit::FALSE); const trit trit::Maybe = trit(trit::MAYBE); const trit trit::True = trit(trit::TRUE); int main(int, char**) { const trit trits[3] = { trit::True, trit::Maybe, trit::False }; #define for_each(name) \ for (size_t name=0; name<3; ++name) #define show_op(op) \ std::cout << std::endl << #op << " "; \ for_each(a) std::cout << ' ' << trits[a]; \ std::cout << std::endl << " -------"; \ for_each(a) { \ std::cout << std::endl << trits[a] << " |"; \ for_each(b) std::cout << ' ' << (trits[a] op trits[b]); \ } \ std::cout << std::endl; std::cout << "! ----" << std::endl; for_each(a) std::cout << trits[a] << " | " << !trits[a] << std::endl; show_op(&&); show_op(||); show_op(>>); show_op(==); return EXIT_SUCCESS; }
Generate an equivalent Java version of this Common_Lisp code.
(defun tri-not (x) (- 1 x)) (defun tri-and (&rest x) (apply #'* x)) (defun tri-or (&rest x) (tri-not (apply #'* (mapcar #'tri-not x)))) (defun tri-eq (x y) (+ (tri-and x y) (tri-and (- 1 x) (- 1 y)))) (defun tri-imply (x y) (tri-or (tri-not x) y)) (defun tri-test (x) (< (random 1e0) x)) (defun tri-string (x) (if (= x 1) "T" (if (= x 0) "F" "?"))) (defmacro tri-if (tri ifcase &optional elsecase) `(if (tri-test ,tri) ,ifcase ,elsecase)) (defun print-table (func header) (let ((vals '(1 .5 0))) (format t "~%~a:~%" header) (format t " ~{~a ~^~}~%---------~%" (mapcar #'tri-string vals)) (loop for row in vals do (format t "~a | " (tri-string row)) (loop for col in vals do (format t "~a " (tri-string (funcall func row col)))) (write-line "")))) (write-line "NOT:") (loop for row in '(1 .5 0) do (format t "~a | ~a~%" (tri-string row) (tri-string (tri-not row)))) (print-table #'tri-and "AND") (print-table #'tri-or "OR") (print-table #'tri-imply "IMPLY") (print-table #'tri-eq "EQUAL")
public class Logic{ public static enum Trit{ TRUE, MAYBE, FALSE; public Trit and(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == FALSE) ? FALSE : MAYBE; }else{ return FALSE; } } public Trit or(Trit other){ if(this == TRUE){ return TRUE; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return other; } } public Trit tIf(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return TRUE; } } public Trit not(){ if(this == TRUE){ return FALSE; }else if(this == MAYBE){ return MAYBE; }else{ return TRUE; } } public Trit equals(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return MAYBE; }else{ return other.not(); } } } public static void main(String[] args){ for(Trit a:Trit.values()){ System.out.println("not " + a + ": " + a.not()); } for(Trit a:Trit.values()){ for(Trit b:Trit.values()){ System.out.println(a+" and "+b+": "+a.and(b)+ "\t "+a+" or "+b+": "+a.or(b)+ "\t "+a+" implies "+b+": "+a.tIf(b)+ "\t "+a+" = "+b+": "+a.equals(b)); } } } }
Write a version of this Common_Lisp function in Python with identical behavior.
(defun tri-not (x) (- 1 x)) (defun tri-and (&rest x) (apply #'* x)) (defun tri-or (&rest x) (tri-not (apply #'* (mapcar #'tri-not x)))) (defun tri-eq (x y) (+ (tri-and x y) (tri-and (- 1 x) (- 1 y)))) (defun tri-imply (x y) (tri-or (tri-not x) y)) (defun tri-test (x) (< (random 1e0) x)) (defun tri-string (x) (if (= x 1) "T" (if (= x 0) "F" "?"))) (defmacro tri-if (tri ifcase &optional elsecase) `(if (tri-test ,tri) ,ifcase ,elsecase)) (defun print-table (func header) (let ((vals '(1 .5 0))) (format t "~%~a:~%" header) (format t " ~{~a ~^~}~%---------~%" (mapcar #'tri-string vals)) (loop for row in vals do (format t "~a | " (tri-string row)) (loop for col in vals do (format t "~a " (tri-string (funcall func row col)))) (write-line "")))) (write-line "NOT:") (loop for row in '(1 .5 0) do (format t "~a | ~a~%" (tri-string row) (tri-string (tri-not row)))) (print-table #'tri-and "AND") (print-table #'tri-or "OR") (print-table #'tri-imply "IMPLY") (print-table #'tri-eq "EQUAL")
class Trit(int): def __new__(cls, value): if value == 'TRUE': value = 1 elif value == 'FALSE': value = 0 elif value == 'MAYBE': value = -1 return super(Trit, cls).__new__(cls, value // (abs(value) or 1)) def __repr__(self): if self > 0: return 'TRUE' elif self == 0: return 'FALSE' return 'MAYBE' def __str__(self): return repr(self) def __bool__(self): if self > 0: return True elif self == 0: return False else: raise ValueError("invalid literal for bool(): '%s'" % self) def __or__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __ror__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __and__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __rand__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __xor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __rxor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __invert__(self): return _ttable[self] def __getattr__(self, name): if name in ('_n', 'flip'): return _ttable[self] else: raise AttributeError TRUE, FALSE, MAYBE = Trit(1), Trit(0), Trit(-1) _ttable = { TRUE: FALSE, FALSE: TRUE, MAYBE: MAYBE, (MAYBE, MAYBE): (MAYBE, MAYBE, MAYBE), (MAYBE, FALSE): (FALSE, MAYBE, MAYBE), (MAYBE, TRUE): (MAYBE, TRUE, MAYBE), (FALSE, MAYBE): (FALSE, MAYBE, MAYBE), (FALSE, FALSE): (FALSE, FALSE, FALSE), (FALSE, TRUE): (FALSE, TRUE, TRUE), ( TRUE, MAYBE): (MAYBE, TRUE, MAYBE), ( TRUE, FALSE): (FALSE, TRUE, TRUE), ( TRUE, TRUE): ( TRUE, TRUE, FALSE), } values = ('FALSE', 'TRUE ', 'MAYBE') print("\nTrit logical inverse, '~'") for a in values: expr = '~%s' % a print(' %s = %s' % (expr, eval(expr))) for op, ophelp in (('&', 'and'), ('|', 'or'), ('^', 'exclusive-or')): print("\nTrit logical %s, '%s'" % (ophelp, op)) for a in values: for b in values: expr = '%s %s %s' % (a, op, b) print(' %s = %s' % (expr, eval(expr)))
Convert this Common_Lisp snippet to Go and keep its semantics consistent.
(defun tri-not (x) (- 1 x)) (defun tri-and (&rest x) (apply #'* x)) (defun tri-or (&rest x) (tri-not (apply #'* (mapcar #'tri-not x)))) (defun tri-eq (x y) (+ (tri-and x y) (tri-and (- 1 x) (- 1 y)))) (defun tri-imply (x y) (tri-or (tri-not x) y)) (defun tri-test (x) (< (random 1e0) x)) (defun tri-string (x) (if (= x 1) "T" (if (= x 0) "F" "?"))) (defmacro tri-if (tri ifcase &optional elsecase) `(if (tri-test ,tri) ,ifcase ,elsecase)) (defun print-table (func header) (let ((vals '(1 .5 0))) (format t "~%~a:~%" header) (format t " ~{~a ~^~}~%---------~%" (mapcar #'tri-string vals)) (loop for row in vals do (format t "~a | " (tri-string row)) (loop for col in vals do (format t "~a " (tri-string (funcall func row col)))) (write-line "")))) (write-line "NOT:") (loop for row in '(1 .5 0) do (format t "~a | ~a~%" (tri-string row) (tri-string (tri-not row)))) (print-table #'tri-and "AND") (print-table #'tri-or "OR") (print-table #'tri-imply "IMPLY") (print-table #'tri-eq "EQUAL")
package main import "fmt" type trit int8 const ( trFalse trit = iota - 1 trMaybe trTrue ) func (t trit) String() string { switch t { case trFalse: return "False" case trMaybe: return "Maybe" case trTrue: return "True " } panic("Invalid trit") } func trNot(t trit) trit { return -t } func trAnd(s, t trit) trit { if s < t { return s } return t } func trOr(s, t trit) trit { if s > t { return s } return t } func trEq(s, t trit) trit { return s * t } func main() { trSet := []trit{trFalse, trMaybe, trTrue} fmt.Println("t not t") for _, t := range trSet { fmt.Println(t, trNot(t)) } fmt.Println("\ns t s and t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trAnd(s, t)) } } fmt.Println("\ns t s or t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trOr(s, t)) } } fmt.Println("\ns t s eq t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trEq(s, t)) } } }
Maintain the same structure and functionality when rewriting this code in C.
import std.stdio; struct Trit { private enum Val : byte { F = -1, M, T } private Val t; alias t this; static immutable Trit[3] vals = [{Val.F}, {Val.M}, {Val.T}]; static immutable F = Trit(Val.F); static immutable M = Trit(Val.M); static immutable T = Trit(Val.T); string toString() const pure nothrow { return "F?T"[t + 1 .. t + 2]; } Trit opUnary(string op)() const pure nothrow if (op == "~") { return Trit(-t); } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "&") { return t < b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "|") { return t > b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "^") { return ~(this == b); } Trit opEquals(in Trit b) const pure nothrow { return Trit(cast(Val)(t * b)); } Trit imply(in Trit b) const pure nothrow { return -t > b ? ~this : b; } } void showOperation(string op)(in string opName) { writef("\n[%s]\n F ? T\n -------", opName); foreach (immutable a; Trit.vals) { writef("\n%s |", a); foreach (immutable b; Trit.vals) static if (op == "==>") writef(" %s", a.imply(b)); else writef(" %s", mixin("a " ~ op ~ " b")); } writeln(); } void main() { writeln("[Not]"); foreach (const a; Trit.vals) writefln("%s | %s", a, ~a); showOperation!"&"("And"); showOperation!"|"("Or"); showOperation!"^"("Xor"); showOperation!"=="("Equiv"); showOperation!"==>"("Imply"); }
#include <stdio.h> typedef enum { TRITTRUE, TRITMAYBE, TRITFALSE } trit; trit tritNot[3] = {TRITFALSE , TRITMAYBE, TRITTRUE}; trit tritAnd[3][3] = { {TRITTRUE, TRITMAYBE, TRITFALSE}, {TRITMAYBE, TRITMAYBE, TRITFALSE}, {TRITFALSE, TRITFALSE, TRITFALSE} }; trit tritOr[3][3] = { {TRITTRUE, TRITTRUE, TRITTRUE}, {TRITTRUE, TRITMAYBE, TRITMAYBE}, {TRITTRUE, TRITMAYBE, TRITFALSE} }; trit tritThen[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITTRUE, TRITMAYBE, TRITMAYBE}, { TRITTRUE, TRITTRUE, TRITTRUE } }; trit tritEquiv[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITMAYBE, TRITMAYBE, TRITMAYBE}, { TRITFALSE, TRITMAYBE, TRITTRUE } }; const char* tritString[3] = {"T", "?", "F"}; void demo_binary_op(trit operator[3][3], const char* name) { trit operand1 = TRITTRUE; trit operand2 = TRITTRUE; printf("\n"); for( operand1 = TRITTRUE; operand1 <= TRITFALSE; ++operand1 ) { for( operand2 = TRITTRUE; operand2 <= TRITFALSE; ++operand2 ) { printf("%s %s %s: %s\n", tritString[operand1], name, tritString[operand2], tritString[operator[operand1][operand2]]); } } } int main() { trit op1 = TRITTRUE; trit op2 = TRITTRUE; for( op1 = TRITTRUE; op1 <= TRITFALSE; ++op1 ) { printf("Not %s: %s\n", tritString[op1], tritString[tritNot[op1]]); } demo_binary_op(tritAnd, "And"); demo_binary_op(tritOr, "Or"); demo_binary_op(tritThen, "Then"); demo_binary_op(tritEquiv, "Equiv"); return 0; }
Can you help me rewrite this code in C# instead of D, keeping it the same logically?
import std.stdio; struct Trit { private enum Val : byte { F = -1, M, T } private Val t; alias t this; static immutable Trit[3] vals = [{Val.F}, {Val.M}, {Val.T}]; static immutable F = Trit(Val.F); static immutable M = Trit(Val.M); static immutable T = Trit(Val.T); string toString() const pure nothrow { return "F?T"[t + 1 .. t + 2]; } Trit opUnary(string op)() const pure nothrow if (op == "~") { return Trit(-t); } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "&") { return t < b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "|") { return t > b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "^") { return ~(this == b); } Trit opEquals(in Trit b) const pure nothrow { return Trit(cast(Val)(t * b)); } Trit imply(in Trit b) const pure nothrow { return -t > b ? ~this : b; } } void showOperation(string op)(in string opName) { writef("\n[%s]\n F ? T\n -------", opName); foreach (immutable a; Trit.vals) { writef("\n%s |", a); foreach (immutable b; Trit.vals) static if (op == "==>") writef(" %s", a.imply(b)); else writef(" %s", mixin("a " ~ op ~ " b")); } writeln(); } void main() { writeln("[Not]"); foreach (const a; Trit.vals) writefln("%s | %s", a, ~a); showOperation!"&"("And"); showOperation!"|"("Or"); showOperation!"^"("Xor"); showOperation!"=="("Equiv"); showOperation!"==>"("Imply"); }
using System; public static class NullableBoolExtension { public static bool? Implies(this bool? left, bool? right) { return !left | right; } public static bool? IsEquivalentTo(this bool? left, bool? right) { return left.HasValue && right.HasValue ? left == right : default(bool?); } public static string Format(this bool? value) { return value.HasValue ? value.Value.ToString() : "Maybe"; } } public class Program { private static void Main() { var values = new[] { true, default(bool?), false }; foreach (var left in values) { Console.WriteLine("¬{0} = {1}", left.Format(), (!left).Format()); foreach (var right in values) { Console.WriteLine("{0} & {1} = {2}", left.Format(), right.Format(), (left & right).Format()); Console.WriteLine("{0} | {1} = {2}", left.Format(), right.Format(), (left | right).Format()); Console.WriteLine("{0} → {1} = {2}", left.Format(), right.Format(), left.Implies(right).Format()); Console.WriteLine("{0} ≡ {1} = {2}", left.Format(), right.Format(), left.IsEquivalentTo(right).Format()); } } } }
Port the following code from D to C++ with equivalent syntax and logic.
import std.stdio; struct Trit { private enum Val : byte { F = -1, M, T } private Val t; alias t this; static immutable Trit[3] vals = [{Val.F}, {Val.M}, {Val.T}]; static immutable F = Trit(Val.F); static immutable M = Trit(Val.M); static immutable T = Trit(Val.T); string toString() const pure nothrow { return "F?T"[t + 1 .. t + 2]; } Trit opUnary(string op)() const pure nothrow if (op == "~") { return Trit(-t); } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "&") { return t < b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "|") { return t > b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "^") { return ~(this == b); } Trit opEquals(in Trit b) const pure nothrow { return Trit(cast(Val)(t * b)); } Trit imply(in Trit b) const pure nothrow { return -t > b ? ~this : b; } } void showOperation(string op)(in string opName) { writef("\n[%s]\n F ? T\n -------", opName); foreach (immutable a; Trit.vals) { writef("\n%s |", a); foreach (immutable b; Trit.vals) static if (op == "==>") writef(" %s", a.imply(b)); else writef(" %s", mixin("a " ~ op ~ " b")); } writeln(); } void main() { writeln("[Not]"); foreach (const a; Trit.vals) writefln("%s | %s", a, ~a); showOperation!"&"("And"); showOperation!"|"("Or"); showOperation!"^"("Xor"); showOperation!"=="("Equiv"); showOperation!"==>"("Imply"); }
#include <iostream> #include <stdlib.h> class trit { public: static const trit False, Maybe, True; trit operator !() const { return static_cast<Value>(-value); } trit operator &&(const trit &b) const { return (value < b.value) ? value : b.value; } trit operator ||(const trit &b) const { return (value > b.value) ? value : b.value; } trit operator >>(const trit &b) const { return -value > b.value ? static_cast<Value>(-value) : b.value; } trit operator ==(const trit &b) const { return static_cast<Value>(value * b.value); } char chr() const { return "F?T"[value + 1]; } protected: typedef enum { FALSE=-1, MAYBE, TRUE } Value; Value value; trit(const Value value) : value(value) { } }; std::ostream& operator<<(std::ostream &os, const trit &t) { os << t.chr(); return os; } const trit trit::False = trit(trit::FALSE); const trit trit::Maybe = trit(trit::MAYBE); const trit trit::True = trit(trit::TRUE); int main(int, char**) { const trit trits[3] = { trit::True, trit::Maybe, trit::False }; #define for_each(name) \ for (size_t name=0; name<3; ++name) #define show_op(op) \ std::cout << std::endl << #op << " "; \ for_each(a) std::cout << ' ' << trits[a]; \ std::cout << std::endl << " -------"; \ for_each(a) { \ std::cout << std::endl << trits[a] << " |"; \ for_each(b) std::cout << ' ' << (trits[a] op trits[b]); \ } \ std::cout << std::endl; std::cout << "! ----" << std::endl; for_each(a) std::cout << trits[a] << " | " << !trits[a] << std::endl; show_op(&&); show_op(||); show_op(>>); show_op(==); return EXIT_SUCCESS; }
Maintain the same structure and functionality when rewriting this code in Java.
import std.stdio; struct Trit { private enum Val : byte { F = -1, M, T } private Val t; alias t this; static immutable Trit[3] vals = [{Val.F}, {Val.M}, {Val.T}]; static immutable F = Trit(Val.F); static immutable M = Trit(Val.M); static immutable T = Trit(Val.T); string toString() const pure nothrow { return "F?T"[t + 1 .. t + 2]; } Trit opUnary(string op)() const pure nothrow if (op == "~") { return Trit(-t); } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "&") { return t < b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "|") { return t > b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "^") { return ~(this == b); } Trit opEquals(in Trit b) const pure nothrow { return Trit(cast(Val)(t * b)); } Trit imply(in Trit b) const pure nothrow { return -t > b ? ~this : b; } } void showOperation(string op)(in string opName) { writef("\n[%s]\n F ? T\n -------", opName); foreach (immutable a; Trit.vals) { writef("\n%s |", a); foreach (immutable b; Trit.vals) static if (op == "==>") writef(" %s", a.imply(b)); else writef(" %s", mixin("a " ~ op ~ " b")); } writeln(); } void main() { writeln("[Not]"); foreach (const a; Trit.vals) writefln("%s | %s", a, ~a); showOperation!"&"("And"); showOperation!"|"("Or"); showOperation!"^"("Xor"); showOperation!"=="("Equiv"); showOperation!"==>"("Imply"); }
public class Logic{ public static enum Trit{ TRUE, MAYBE, FALSE; public Trit and(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == FALSE) ? FALSE : MAYBE; }else{ return FALSE; } } public Trit or(Trit other){ if(this == TRUE){ return TRUE; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return other; } } public Trit tIf(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return TRUE; } } public Trit not(){ if(this == TRUE){ return FALSE; }else if(this == MAYBE){ return MAYBE; }else{ return TRUE; } } public Trit equals(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return MAYBE; }else{ return other.not(); } } } public static void main(String[] args){ for(Trit a:Trit.values()){ System.out.println("not " + a + ": " + a.not()); } for(Trit a:Trit.values()){ for(Trit b:Trit.values()){ System.out.println(a+" and "+b+": "+a.and(b)+ "\t "+a+" or "+b+": "+a.or(b)+ "\t "+a+" implies "+b+": "+a.tIf(b)+ "\t "+a+" = "+b+": "+a.equals(b)); } } } }
Generate a Python translation of this D snippet without changing its computational steps.
import std.stdio; struct Trit { private enum Val : byte { F = -1, M, T } private Val t; alias t this; static immutable Trit[3] vals = [{Val.F}, {Val.M}, {Val.T}]; static immutable F = Trit(Val.F); static immutable M = Trit(Val.M); static immutable T = Trit(Val.T); string toString() const pure nothrow { return "F?T"[t + 1 .. t + 2]; } Trit opUnary(string op)() const pure nothrow if (op == "~") { return Trit(-t); } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "&") { return t < b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "|") { return t > b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "^") { return ~(this == b); } Trit opEquals(in Trit b) const pure nothrow { return Trit(cast(Val)(t * b)); } Trit imply(in Trit b) const pure nothrow { return -t > b ? ~this : b; } } void showOperation(string op)(in string opName) { writef("\n[%s]\n F ? T\n -------", opName); foreach (immutable a; Trit.vals) { writef("\n%s |", a); foreach (immutable b; Trit.vals) static if (op == "==>") writef(" %s", a.imply(b)); else writef(" %s", mixin("a " ~ op ~ " b")); } writeln(); } void main() { writeln("[Not]"); foreach (const a; Trit.vals) writefln("%s | %s", a, ~a); showOperation!"&"("And"); showOperation!"|"("Or"); showOperation!"^"("Xor"); showOperation!"=="("Equiv"); showOperation!"==>"("Imply"); }
class Trit(int): def __new__(cls, value): if value == 'TRUE': value = 1 elif value == 'FALSE': value = 0 elif value == 'MAYBE': value = -1 return super(Trit, cls).__new__(cls, value // (abs(value) or 1)) def __repr__(self): if self > 0: return 'TRUE' elif self == 0: return 'FALSE' return 'MAYBE' def __str__(self): return repr(self) def __bool__(self): if self > 0: return True elif self == 0: return False else: raise ValueError("invalid literal for bool(): '%s'" % self) def __or__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __ror__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __and__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __rand__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __xor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __rxor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __invert__(self): return _ttable[self] def __getattr__(self, name): if name in ('_n', 'flip'): return _ttable[self] else: raise AttributeError TRUE, FALSE, MAYBE = Trit(1), Trit(0), Trit(-1) _ttable = { TRUE: FALSE, FALSE: TRUE, MAYBE: MAYBE, (MAYBE, MAYBE): (MAYBE, MAYBE, MAYBE), (MAYBE, FALSE): (FALSE, MAYBE, MAYBE), (MAYBE, TRUE): (MAYBE, TRUE, MAYBE), (FALSE, MAYBE): (FALSE, MAYBE, MAYBE), (FALSE, FALSE): (FALSE, FALSE, FALSE), (FALSE, TRUE): (FALSE, TRUE, TRUE), ( TRUE, MAYBE): (MAYBE, TRUE, MAYBE), ( TRUE, FALSE): (FALSE, TRUE, TRUE), ( TRUE, TRUE): ( TRUE, TRUE, FALSE), } values = ('FALSE', 'TRUE ', 'MAYBE') print("\nTrit logical inverse, '~'") for a in values: expr = '~%s' % a print(' %s = %s' % (expr, eval(expr))) for op, ophelp in (('&', 'and'), ('|', 'or'), ('^', 'exclusive-or')): print("\nTrit logical %s, '%s'" % (ophelp, op)) for a in values: for b in values: expr = '%s %s %s' % (a, op, b) print(' %s = %s' % (expr, eval(expr)))
Rewrite this program in Go while keeping its functionality equivalent to the D version.
import std.stdio; struct Trit { private enum Val : byte { F = -1, M, T } private Val t; alias t this; static immutable Trit[3] vals = [{Val.F}, {Val.M}, {Val.T}]; static immutable F = Trit(Val.F); static immutable M = Trit(Val.M); static immutable T = Trit(Val.T); string toString() const pure nothrow { return "F?T"[t + 1 .. t + 2]; } Trit opUnary(string op)() const pure nothrow if (op == "~") { return Trit(-t); } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "&") { return t < b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "|") { return t > b ? this : b; } Trit opBinary(string op)(in Trit b) const pure nothrow if (op == "^") { return ~(this == b); } Trit opEquals(in Trit b) const pure nothrow { return Trit(cast(Val)(t * b)); } Trit imply(in Trit b) const pure nothrow { return -t > b ? ~this : b; } } void showOperation(string op)(in string opName) { writef("\n[%s]\n F ? T\n -------", opName); foreach (immutable a; Trit.vals) { writef("\n%s |", a); foreach (immutable b; Trit.vals) static if (op == "==>") writef(" %s", a.imply(b)); else writef(" %s", mixin("a " ~ op ~ " b")); } writeln(); } void main() { writeln("[Not]"); foreach (const a; Trit.vals) writefln("%s | %s", a, ~a); showOperation!"&"("And"); showOperation!"|"("Or"); showOperation!"^"("Xor"); showOperation!"=="("Equiv"); showOperation!"==>"("Imply"); }
package main import "fmt" type trit int8 const ( trFalse trit = iota - 1 trMaybe trTrue ) func (t trit) String() string { switch t { case trFalse: return "False" case trMaybe: return "Maybe" case trTrue: return "True " } panic("Invalid trit") } func trNot(t trit) trit { return -t } func trAnd(s, t trit) trit { if s < t { return s } return t } func trOr(s, t trit) trit { if s > t { return s } return t } func trEq(s, t trit) trit { return s * t } func main() { trSet := []trit{trFalse, trMaybe, trTrue} fmt.Println("t not t") for _, t := range trSet { fmt.Println(t, trNot(t)) } fmt.Println("\ns t s and t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trAnd(s, t)) } } fmt.Println("\ns t s or t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trOr(s, t)) } } fmt.Println("\ns t s eq t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trEq(s, t)) } } }
Convert this Delphi snippet to C and keep its semantics consistent.
unit TrinaryLogic; interface type TriBool = type Boolean; const TTrue:TriBool = True; TFalse:TriBool = False; TMaybe:TriBool = TriBool(2); function TVL_not(Value: TriBool): TriBool; function TVL_and(A, B: TriBool): TriBool; function TVL_or(A, B: TriBool): TriBool; function TVL_xor(A, B: TriBool): TriBool; function TVL_eq(A, B: TriBool): TriBool; implementation Uses SysUtils; function TVL_not(Value: TriBool): TriBool; begin if Value = True Then Result := TFalse else If Value = False Then Result := TTrue else Result := Value; end; function TVL_and(A, B: TriBool): TriBool; begin Result := TriBool(Iff(Integer(A * B) > 1, Integer(TMaybe), A * B)); end; function TVL_or(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_and(TVL_not(A), TVL_not(B))); end; function TVL_xor(A, B: TriBool): TriBool; begin Result := TVL_and(TVL_or(A, B), TVL_not(TVL_or(A, B))); end; function TVL_eq(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_xor(A, B)); end; end.
#include <stdio.h> typedef enum { TRITTRUE, TRITMAYBE, TRITFALSE } trit; trit tritNot[3] = {TRITFALSE , TRITMAYBE, TRITTRUE}; trit tritAnd[3][3] = { {TRITTRUE, TRITMAYBE, TRITFALSE}, {TRITMAYBE, TRITMAYBE, TRITFALSE}, {TRITFALSE, TRITFALSE, TRITFALSE} }; trit tritOr[3][3] = { {TRITTRUE, TRITTRUE, TRITTRUE}, {TRITTRUE, TRITMAYBE, TRITMAYBE}, {TRITTRUE, TRITMAYBE, TRITFALSE} }; trit tritThen[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITTRUE, TRITMAYBE, TRITMAYBE}, { TRITTRUE, TRITTRUE, TRITTRUE } }; trit tritEquiv[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITMAYBE, TRITMAYBE, TRITMAYBE}, { TRITFALSE, TRITMAYBE, TRITTRUE } }; const char* tritString[3] = {"T", "?", "F"}; void demo_binary_op(trit operator[3][3], const char* name) { trit operand1 = TRITTRUE; trit operand2 = TRITTRUE; printf("\n"); for( operand1 = TRITTRUE; operand1 <= TRITFALSE; ++operand1 ) { for( operand2 = TRITTRUE; operand2 <= TRITFALSE; ++operand2 ) { printf("%s %s %s: %s\n", tritString[operand1], name, tritString[operand2], tritString[operator[operand1][operand2]]); } } } int main() { trit op1 = TRITTRUE; trit op2 = TRITTRUE; for( op1 = TRITTRUE; op1 <= TRITFALSE; ++op1 ) { printf("Not %s: %s\n", tritString[op1], tritString[tritNot[op1]]); } demo_binary_op(tritAnd, "And"); demo_binary_op(tritOr, "Or"); demo_binary_op(tritThen, "Then"); demo_binary_op(tritEquiv, "Equiv"); return 0; }
Translate the given Delphi code snippet into C# without altering its behavior.
unit TrinaryLogic; interface type TriBool = type Boolean; const TTrue:TriBool = True; TFalse:TriBool = False; TMaybe:TriBool = TriBool(2); function TVL_not(Value: TriBool): TriBool; function TVL_and(A, B: TriBool): TriBool; function TVL_or(A, B: TriBool): TriBool; function TVL_xor(A, B: TriBool): TriBool; function TVL_eq(A, B: TriBool): TriBool; implementation Uses SysUtils; function TVL_not(Value: TriBool): TriBool; begin if Value = True Then Result := TFalse else If Value = False Then Result := TTrue else Result := Value; end; function TVL_and(A, B: TriBool): TriBool; begin Result := TriBool(Iff(Integer(A * B) > 1, Integer(TMaybe), A * B)); end; function TVL_or(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_and(TVL_not(A), TVL_not(B))); end; function TVL_xor(A, B: TriBool): TriBool; begin Result := TVL_and(TVL_or(A, B), TVL_not(TVL_or(A, B))); end; function TVL_eq(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_xor(A, B)); end; end.
using System; public static class NullableBoolExtension { public static bool? Implies(this bool? left, bool? right) { return !left | right; } public static bool? IsEquivalentTo(this bool? left, bool? right) { return left.HasValue && right.HasValue ? left == right : default(bool?); } public static string Format(this bool? value) { return value.HasValue ? value.Value.ToString() : "Maybe"; } } public class Program { private static void Main() { var values = new[] { true, default(bool?), false }; foreach (var left in values) { Console.WriteLine("¬{0} = {1}", left.Format(), (!left).Format()); foreach (var right in values) { Console.WriteLine("{0} & {1} = {2}", left.Format(), right.Format(), (left & right).Format()); Console.WriteLine("{0} | {1} = {2}", left.Format(), right.Format(), (left | right).Format()); Console.WriteLine("{0} → {1} = {2}", left.Format(), right.Format(), left.Implies(right).Format()); Console.WriteLine("{0} ≡ {1} = {2}", left.Format(), right.Format(), left.IsEquivalentTo(right).Format()); } } } }
Rewrite the snippet below in C++ so it works the same as the original Delphi code.
unit TrinaryLogic; interface type TriBool = type Boolean; const TTrue:TriBool = True; TFalse:TriBool = False; TMaybe:TriBool = TriBool(2); function TVL_not(Value: TriBool): TriBool; function TVL_and(A, B: TriBool): TriBool; function TVL_or(A, B: TriBool): TriBool; function TVL_xor(A, B: TriBool): TriBool; function TVL_eq(A, B: TriBool): TriBool; implementation Uses SysUtils; function TVL_not(Value: TriBool): TriBool; begin if Value = True Then Result := TFalse else If Value = False Then Result := TTrue else Result := Value; end; function TVL_and(A, B: TriBool): TriBool; begin Result := TriBool(Iff(Integer(A * B) > 1, Integer(TMaybe), A * B)); end; function TVL_or(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_and(TVL_not(A), TVL_not(B))); end; function TVL_xor(A, B: TriBool): TriBool; begin Result := TVL_and(TVL_or(A, B), TVL_not(TVL_or(A, B))); end; function TVL_eq(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_xor(A, B)); end; end.
#include <iostream> #include <stdlib.h> class trit { public: static const trit False, Maybe, True; trit operator !() const { return static_cast<Value>(-value); } trit operator &&(const trit &b) const { return (value < b.value) ? value : b.value; } trit operator ||(const trit &b) const { return (value > b.value) ? value : b.value; } trit operator >>(const trit &b) const { return -value > b.value ? static_cast<Value>(-value) : b.value; } trit operator ==(const trit &b) const { return static_cast<Value>(value * b.value); } char chr() const { return "F?T"[value + 1]; } protected: typedef enum { FALSE=-1, MAYBE, TRUE } Value; Value value; trit(const Value value) : value(value) { } }; std::ostream& operator<<(std::ostream &os, const trit &t) { os << t.chr(); return os; } const trit trit::False = trit(trit::FALSE); const trit trit::Maybe = trit(trit::MAYBE); const trit trit::True = trit(trit::TRUE); int main(int, char**) { const trit trits[3] = { trit::True, trit::Maybe, trit::False }; #define for_each(name) \ for (size_t name=0; name<3; ++name) #define show_op(op) \ std::cout << std::endl << #op << " "; \ for_each(a) std::cout << ' ' << trits[a]; \ std::cout << std::endl << " -------"; \ for_each(a) { \ std::cout << std::endl << trits[a] << " |"; \ for_each(b) std::cout << ' ' << (trits[a] op trits[b]); \ } \ std::cout << std::endl; std::cout << "! ----" << std::endl; for_each(a) std::cout << trits[a] << " | " << !trits[a] << std::endl; show_op(&&); show_op(||); show_op(>>); show_op(==); return EXIT_SUCCESS; }
Can you help me rewrite this code in Java instead of Delphi, keeping it the same logically?
unit TrinaryLogic; interface type TriBool = type Boolean; const TTrue:TriBool = True; TFalse:TriBool = False; TMaybe:TriBool = TriBool(2); function TVL_not(Value: TriBool): TriBool; function TVL_and(A, B: TriBool): TriBool; function TVL_or(A, B: TriBool): TriBool; function TVL_xor(A, B: TriBool): TriBool; function TVL_eq(A, B: TriBool): TriBool; implementation Uses SysUtils; function TVL_not(Value: TriBool): TriBool; begin if Value = True Then Result := TFalse else If Value = False Then Result := TTrue else Result := Value; end; function TVL_and(A, B: TriBool): TriBool; begin Result := TriBool(Iff(Integer(A * B) > 1, Integer(TMaybe), A * B)); end; function TVL_or(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_and(TVL_not(A), TVL_not(B))); end; function TVL_xor(A, B: TriBool): TriBool; begin Result := TVL_and(TVL_or(A, B), TVL_not(TVL_or(A, B))); end; function TVL_eq(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_xor(A, B)); end; end.
public class Logic{ public static enum Trit{ TRUE, MAYBE, FALSE; public Trit and(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == FALSE) ? FALSE : MAYBE; }else{ return FALSE; } } public Trit or(Trit other){ if(this == TRUE){ return TRUE; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return other; } } public Trit tIf(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return TRUE; } } public Trit not(){ if(this == TRUE){ return FALSE; }else if(this == MAYBE){ return MAYBE; }else{ return TRUE; } } public Trit equals(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return MAYBE; }else{ return other.not(); } } } public static void main(String[] args){ for(Trit a:Trit.values()){ System.out.println("not " + a + ": " + a.not()); } for(Trit a:Trit.values()){ for(Trit b:Trit.values()){ System.out.println(a+" and "+b+": "+a.and(b)+ "\t "+a+" or "+b+": "+a.or(b)+ "\t "+a+" implies "+b+": "+a.tIf(b)+ "\t "+a+" = "+b+": "+a.equals(b)); } } } }
Keep all operations the same but rewrite the snippet in Python.
unit TrinaryLogic; interface type TriBool = type Boolean; const TTrue:TriBool = True; TFalse:TriBool = False; TMaybe:TriBool = TriBool(2); function TVL_not(Value: TriBool): TriBool; function TVL_and(A, B: TriBool): TriBool; function TVL_or(A, B: TriBool): TriBool; function TVL_xor(A, B: TriBool): TriBool; function TVL_eq(A, B: TriBool): TriBool; implementation Uses SysUtils; function TVL_not(Value: TriBool): TriBool; begin if Value = True Then Result := TFalse else If Value = False Then Result := TTrue else Result := Value; end; function TVL_and(A, B: TriBool): TriBool; begin Result := TriBool(Iff(Integer(A * B) > 1, Integer(TMaybe), A * B)); end; function TVL_or(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_and(TVL_not(A), TVL_not(B))); end; function TVL_xor(A, B: TriBool): TriBool; begin Result := TVL_and(TVL_or(A, B), TVL_not(TVL_or(A, B))); end; function TVL_eq(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_xor(A, B)); end; end.
class Trit(int): def __new__(cls, value): if value == 'TRUE': value = 1 elif value == 'FALSE': value = 0 elif value == 'MAYBE': value = -1 return super(Trit, cls).__new__(cls, value // (abs(value) or 1)) def __repr__(self): if self > 0: return 'TRUE' elif self == 0: return 'FALSE' return 'MAYBE' def __str__(self): return repr(self) def __bool__(self): if self > 0: return True elif self == 0: return False else: raise ValueError("invalid literal for bool(): '%s'" % self) def __or__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __ror__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __and__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __rand__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __xor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __rxor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __invert__(self): return _ttable[self] def __getattr__(self, name): if name in ('_n', 'flip'): return _ttable[self] else: raise AttributeError TRUE, FALSE, MAYBE = Trit(1), Trit(0), Trit(-1) _ttable = { TRUE: FALSE, FALSE: TRUE, MAYBE: MAYBE, (MAYBE, MAYBE): (MAYBE, MAYBE, MAYBE), (MAYBE, FALSE): (FALSE, MAYBE, MAYBE), (MAYBE, TRUE): (MAYBE, TRUE, MAYBE), (FALSE, MAYBE): (FALSE, MAYBE, MAYBE), (FALSE, FALSE): (FALSE, FALSE, FALSE), (FALSE, TRUE): (FALSE, TRUE, TRUE), ( TRUE, MAYBE): (MAYBE, TRUE, MAYBE), ( TRUE, FALSE): (FALSE, TRUE, TRUE), ( TRUE, TRUE): ( TRUE, TRUE, FALSE), } values = ('FALSE', 'TRUE ', 'MAYBE') print("\nTrit logical inverse, '~'") for a in values: expr = '~%s' % a print(' %s = %s' % (expr, eval(expr))) for op, ophelp in (('&', 'and'), ('|', 'or'), ('^', 'exclusive-or')): print("\nTrit logical %s, '%s'" % (ophelp, op)) for a in values: for b in values: expr = '%s %s %s' % (a, op, b) print(' %s = %s' % (expr, eval(expr)))
Please provide an equivalent version of this Delphi code in Go.
unit TrinaryLogic; interface type TriBool = type Boolean; const TTrue:TriBool = True; TFalse:TriBool = False; TMaybe:TriBool = TriBool(2); function TVL_not(Value: TriBool): TriBool; function TVL_and(A, B: TriBool): TriBool; function TVL_or(A, B: TriBool): TriBool; function TVL_xor(A, B: TriBool): TriBool; function TVL_eq(A, B: TriBool): TriBool; implementation Uses SysUtils; function TVL_not(Value: TriBool): TriBool; begin if Value = True Then Result := TFalse else If Value = False Then Result := TTrue else Result := Value; end; function TVL_and(A, B: TriBool): TriBool; begin Result := TriBool(Iff(Integer(A * B) > 1, Integer(TMaybe), A * B)); end; function TVL_or(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_and(TVL_not(A), TVL_not(B))); end; function TVL_xor(A, B: TriBool): TriBool; begin Result := TVL_and(TVL_or(A, B), TVL_not(TVL_or(A, B))); end; function TVL_eq(A, B: TriBool): TriBool; begin Result := TVL_not(TVL_xor(A, B)); end; end.
package main import "fmt" type trit int8 const ( trFalse trit = iota - 1 trMaybe trTrue ) func (t trit) String() string { switch t { case trFalse: return "False" case trMaybe: return "Maybe" case trTrue: return "True " } panic("Invalid trit") } func trNot(t trit) trit { return -t } func trAnd(s, t trit) trit { if s < t { return s } return t } func trOr(s, t trit) trit { if s > t { return s } return t } func trEq(s, t trit) trit { return s * t } func main() { trSet := []trit{trFalse, trMaybe, trTrue} fmt.Println("t not t") for _, t := range trSet { fmt.Println(t, trNot(t)) } fmt.Println("\ns t s and t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trAnd(s, t)) } } fmt.Println("\ns t s or t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trOr(s, t)) } } fmt.Println("\ns t s eq t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trEq(s, t)) } } }
Generate an equivalent C version of this Erlang code.
-module(ternary). -export([main/0, nott/1, andd/2,orr/2, then/2, equiv/2]). main() -> {ok, [A]} = io:fread("Enter A: ","~s"), {ok, [B]} = io:fread("Enter B: ","~s"), andd(A,B). nott(S) -> if S=="T" -> io : format("F\n"); S=="F" -> io : format("T\n"); true -> io: format("?\n") end. andd(A, B) -> if A=="T", B=="T" -> io : format("T\n"); A=="F"; B=="F" -> io : format("F\n"); true -> io: format("?\n") end. orr(A, B) -> if A=="T"; B=="T" -> io : format("T\n"); A=="?"; B=="?" -> io : format("?\n"); true -> io: format("F\n") end. then(A, B) -> if B=="T" -> io : format("T\n"); A=="?" -> io : format("?\n"); A=="F" -> io :format("T\n"); B=="F" -> io:format("F\n"); true -> io: format("?\n") end. equiv(A, B) -> if A=="?" -> io : format("?\n"); A=="F" -> io : format("~s\n", [nott(B)]); true -> io: format("~s\n", [B]) end.
#include <stdio.h> typedef enum { TRITTRUE, TRITMAYBE, TRITFALSE } trit; trit tritNot[3] = {TRITFALSE , TRITMAYBE, TRITTRUE}; trit tritAnd[3][3] = { {TRITTRUE, TRITMAYBE, TRITFALSE}, {TRITMAYBE, TRITMAYBE, TRITFALSE}, {TRITFALSE, TRITFALSE, TRITFALSE} }; trit tritOr[3][3] = { {TRITTRUE, TRITTRUE, TRITTRUE}, {TRITTRUE, TRITMAYBE, TRITMAYBE}, {TRITTRUE, TRITMAYBE, TRITFALSE} }; trit tritThen[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITTRUE, TRITMAYBE, TRITMAYBE}, { TRITTRUE, TRITTRUE, TRITTRUE } }; trit tritEquiv[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITMAYBE, TRITMAYBE, TRITMAYBE}, { TRITFALSE, TRITMAYBE, TRITTRUE } }; const char* tritString[3] = {"T", "?", "F"}; void demo_binary_op(trit operator[3][3], const char* name) { trit operand1 = TRITTRUE; trit operand2 = TRITTRUE; printf("\n"); for( operand1 = TRITTRUE; operand1 <= TRITFALSE; ++operand1 ) { for( operand2 = TRITTRUE; operand2 <= TRITFALSE; ++operand2 ) { printf("%s %s %s: %s\n", tritString[operand1], name, tritString[operand2], tritString[operator[operand1][operand2]]); } } } int main() { trit op1 = TRITTRUE; trit op2 = TRITTRUE; for( op1 = TRITTRUE; op1 <= TRITFALSE; ++op1 ) { printf("Not %s: %s\n", tritString[op1], tritString[tritNot[op1]]); } demo_binary_op(tritAnd, "And"); demo_binary_op(tritOr, "Or"); demo_binary_op(tritThen, "Then"); demo_binary_op(tritEquiv, "Equiv"); return 0; }
Maintain the same structure and functionality when rewriting this code in C#.
-module(ternary). -export([main/0, nott/1, andd/2,orr/2, then/2, equiv/2]). main() -> {ok, [A]} = io:fread("Enter A: ","~s"), {ok, [B]} = io:fread("Enter B: ","~s"), andd(A,B). nott(S) -> if S=="T" -> io : format("F\n"); S=="F" -> io : format("T\n"); true -> io: format("?\n") end. andd(A, B) -> if A=="T", B=="T" -> io : format("T\n"); A=="F"; B=="F" -> io : format("F\n"); true -> io: format("?\n") end. orr(A, B) -> if A=="T"; B=="T" -> io : format("T\n"); A=="?"; B=="?" -> io : format("?\n"); true -> io: format("F\n") end. then(A, B) -> if B=="T" -> io : format("T\n"); A=="?" -> io : format("?\n"); A=="F" -> io :format("T\n"); B=="F" -> io:format("F\n"); true -> io: format("?\n") end. equiv(A, B) -> if A=="?" -> io : format("?\n"); A=="F" -> io : format("~s\n", [nott(B)]); true -> io: format("~s\n", [B]) end.
using System; public static class NullableBoolExtension { public static bool? Implies(this bool? left, bool? right) { return !left | right; } public static bool? IsEquivalentTo(this bool? left, bool? right) { return left.HasValue && right.HasValue ? left == right : default(bool?); } public static string Format(this bool? value) { return value.HasValue ? value.Value.ToString() : "Maybe"; } } public class Program { private static void Main() { var values = new[] { true, default(bool?), false }; foreach (var left in values) { Console.WriteLine("¬{0} = {1}", left.Format(), (!left).Format()); foreach (var right in values) { Console.WriteLine("{0} & {1} = {2}", left.Format(), right.Format(), (left & right).Format()); Console.WriteLine("{0} | {1} = {2}", left.Format(), right.Format(), (left | right).Format()); Console.WriteLine("{0} → {1} = {2}", left.Format(), right.Format(), left.Implies(right).Format()); Console.WriteLine("{0} ≡ {1} = {2}", left.Format(), right.Format(), left.IsEquivalentTo(right).Format()); } } } }
Write a version of this Erlang function in C++ with identical behavior.
-module(ternary). -export([main/0, nott/1, andd/2,orr/2, then/2, equiv/2]). main() -> {ok, [A]} = io:fread("Enter A: ","~s"), {ok, [B]} = io:fread("Enter B: ","~s"), andd(A,B). nott(S) -> if S=="T" -> io : format("F\n"); S=="F" -> io : format("T\n"); true -> io: format("?\n") end. andd(A, B) -> if A=="T", B=="T" -> io : format("T\n"); A=="F"; B=="F" -> io : format("F\n"); true -> io: format("?\n") end. orr(A, B) -> if A=="T"; B=="T" -> io : format("T\n"); A=="?"; B=="?" -> io : format("?\n"); true -> io: format("F\n") end. then(A, B) -> if B=="T" -> io : format("T\n"); A=="?" -> io : format("?\n"); A=="F" -> io :format("T\n"); B=="F" -> io:format("F\n"); true -> io: format("?\n") end. equiv(A, B) -> if A=="?" -> io : format("?\n"); A=="F" -> io : format("~s\n", [nott(B)]); true -> io: format("~s\n", [B]) end.
#include <iostream> #include <stdlib.h> class trit { public: static const trit False, Maybe, True; trit operator !() const { return static_cast<Value>(-value); } trit operator &&(const trit &b) const { return (value < b.value) ? value : b.value; } trit operator ||(const trit &b) const { return (value > b.value) ? value : b.value; } trit operator >>(const trit &b) const { return -value > b.value ? static_cast<Value>(-value) : b.value; } trit operator ==(const trit &b) const { return static_cast<Value>(value * b.value); } char chr() const { return "F?T"[value + 1]; } protected: typedef enum { FALSE=-1, MAYBE, TRUE } Value; Value value; trit(const Value value) : value(value) { } }; std::ostream& operator<<(std::ostream &os, const trit &t) { os << t.chr(); return os; } const trit trit::False = trit(trit::FALSE); const trit trit::Maybe = trit(trit::MAYBE); const trit trit::True = trit(trit::TRUE); int main(int, char**) { const trit trits[3] = { trit::True, trit::Maybe, trit::False }; #define for_each(name) \ for (size_t name=0; name<3; ++name) #define show_op(op) \ std::cout << std::endl << #op << " "; \ for_each(a) std::cout << ' ' << trits[a]; \ std::cout << std::endl << " -------"; \ for_each(a) { \ std::cout << std::endl << trits[a] << " |"; \ for_each(b) std::cout << ' ' << (trits[a] op trits[b]); \ } \ std::cout << std::endl; std::cout << "! ----" << std::endl; for_each(a) std::cout << trits[a] << " | " << !trits[a] << std::endl; show_op(&&); show_op(||); show_op(>>); show_op(==); return EXIT_SUCCESS; }
Change the following Erlang code into Java without altering its purpose.
-module(ternary). -export([main/0, nott/1, andd/2,orr/2, then/2, equiv/2]). main() -> {ok, [A]} = io:fread("Enter A: ","~s"), {ok, [B]} = io:fread("Enter B: ","~s"), andd(A,B). nott(S) -> if S=="T" -> io : format("F\n"); S=="F" -> io : format("T\n"); true -> io: format("?\n") end. andd(A, B) -> if A=="T", B=="T" -> io : format("T\n"); A=="F"; B=="F" -> io : format("F\n"); true -> io: format("?\n") end. orr(A, B) -> if A=="T"; B=="T" -> io : format("T\n"); A=="?"; B=="?" -> io : format("?\n"); true -> io: format("F\n") end. then(A, B) -> if B=="T" -> io : format("T\n"); A=="?" -> io : format("?\n"); A=="F" -> io :format("T\n"); B=="F" -> io:format("F\n"); true -> io: format("?\n") end. equiv(A, B) -> if A=="?" -> io : format("?\n"); A=="F" -> io : format("~s\n", [nott(B)]); true -> io: format("~s\n", [B]) end.
public class Logic{ public static enum Trit{ TRUE, MAYBE, FALSE; public Trit and(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == FALSE) ? FALSE : MAYBE; }else{ return FALSE; } } public Trit or(Trit other){ if(this == TRUE){ return TRUE; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return other; } } public Trit tIf(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return TRUE; } } public Trit not(){ if(this == TRUE){ return FALSE; }else if(this == MAYBE){ return MAYBE; }else{ return TRUE; } } public Trit equals(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return MAYBE; }else{ return other.not(); } } } public static void main(String[] args){ for(Trit a:Trit.values()){ System.out.println("not " + a + ": " + a.not()); } for(Trit a:Trit.values()){ for(Trit b:Trit.values()){ System.out.println(a+" and "+b+": "+a.and(b)+ "\t "+a+" or "+b+": "+a.or(b)+ "\t "+a+" implies "+b+": "+a.tIf(b)+ "\t "+a+" = "+b+": "+a.equals(b)); } } } }
Rewrite the snippet below in Python so it works the same as the original Erlang code.
-module(ternary). -export([main/0, nott/1, andd/2,orr/2, then/2, equiv/2]). main() -> {ok, [A]} = io:fread("Enter A: ","~s"), {ok, [B]} = io:fread("Enter B: ","~s"), andd(A,B). nott(S) -> if S=="T" -> io : format("F\n"); S=="F" -> io : format("T\n"); true -> io: format("?\n") end. andd(A, B) -> if A=="T", B=="T" -> io : format("T\n"); A=="F"; B=="F" -> io : format("F\n"); true -> io: format("?\n") end. orr(A, B) -> if A=="T"; B=="T" -> io : format("T\n"); A=="?"; B=="?" -> io : format("?\n"); true -> io: format("F\n") end. then(A, B) -> if B=="T" -> io : format("T\n"); A=="?" -> io : format("?\n"); A=="F" -> io :format("T\n"); B=="F" -> io:format("F\n"); true -> io: format("?\n") end. equiv(A, B) -> if A=="?" -> io : format("?\n"); A=="F" -> io : format("~s\n", [nott(B)]); true -> io: format("~s\n", [B]) end.
class Trit(int): def __new__(cls, value): if value == 'TRUE': value = 1 elif value == 'FALSE': value = 0 elif value == 'MAYBE': value = -1 return super(Trit, cls).__new__(cls, value // (abs(value) or 1)) def __repr__(self): if self > 0: return 'TRUE' elif self == 0: return 'FALSE' return 'MAYBE' def __str__(self): return repr(self) def __bool__(self): if self > 0: return True elif self == 0: return False else: raise ValueError("invalid literal for bool(): '%s'" % self) def __or__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __ror__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __and__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __rand__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __xor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __rxor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __invert__(self): return _ttable[self] def __getattr__(self, name): if name in ('_n', 'flip'): return _ttable[self] else: raise AttributeError TRUE, FALSE, MAYBE = Trit(1), Trit(0), Trit(-1) _ttable = { TRUE: FALSE, FALSE: TRUE, MAYBE: MAYBE, (MAYBE, MAYBE): (MAYBE, MAYBE, MAYBE), (MAYBE, FALSE): (FALSE, MAYBE, MAYBE), (MAYBE, TRUE): (MAYBE, TRUE, MAYBE), (FALSE, MAYBE): (FALSE, MAYBE, MAYBE), (FALSE, FALSE): (FALSE, FALSE, FALSE), (FALSE, TRUE): (FALSE, TRUE, TRUE), ( TRUE, MAYBE): (MAYBE, TRUE, MAYBE), ( TRUE, FALSE): (FALSE, TRUE, TRUE), ( TRUE, TRUE): ( TRUE, TRUE, FALSE), } values = ('FALSE', 'TRUE ', 'MAYBE') print("\nTrit logical inverse, '~'") for a in values: expr = '~%s' % a print(' %s = %s' % (expr, eval(expr))) for op, ophelp in (('&', 'and'), ('|', 'or'), ('^', 'exclusive-or')): print("\nTrit logical %s, '%s'" % (ophelp, op)) for a in values: for b in values: expr = '%s %s %s' % (a, op, b) print(' %s = %s' % (expr, eval(expr)))
Maintain the same structure and functionality when rewriting this code in Go.
-module(ternary). -export([main/0, nott/1, andd/2,orr/2, then/2, equiv/2]). main() -> {ok, [A]} = io:fread("Enter A: ","~s"), {ok, [B]} = io:fread("Enter B: ","~s"), andd(A,B). nott(S) -> if S=="T" -> io : format("F\n"); S=="F" -> io : format("T\n"); true -> io: format("?\n") end. andd(A, B) -> if A=="T", B=="T" -> io : format("T\n"); A=="F"; B=="F" -> io : format("F\n"); true -> io: format("?\n") end. orr(A, B) -> if A=="T"; B=="T" -> io : format("T\n"); A=="?"; B=="?" -> io : format("?\n"); true -> io: format("F\n") end. then(A, B) -> if B=="T" -> io : format("T\n"); A=="?" -> io : format("?\n"); A=="F" -> io :format("T\n"); B=="F" -> io:format("F\n"); true -> io: format("?\n") end. equiv(A, B) -> if A=="?" -> io : format("?\n"); A=="F" -> io : format("~s\n", [nott(B)]); true -> io: format("~s\n", [B]) end.
package main import "fmt" type trit int8 const ( trFalse trit = iota - 1 trMaybe trTrue ) func (t trit) String() string { switch t { case trFalse: return "False" case trMaybe: return "Maybe" case trTrue: return "True " } panic("Invalid trit") } func trNot(t trit) trit { return -t } func trAnd(s, t trit) trit { if s < t { return s } return t } func trOr(s, t trit) trit { if s > t { return s } return t } func trEq(s, t trit) trit { return s * t } func main() { trSet := []trit{trFalse, trMaybe, trTrue} fmt.Println("t not t") for _, t := range trSet { fmt.Println(t, trNot(t)) } fmt.Println("\ns t s and t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trAnd(s, t)) } } fmt.Println("\ns t s or t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trOr(s, t)) } } fmt.Println("\ns t s eq t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trEq(s, t)) } } }
Rewrite the snippet below in C so it works the same as the original Factor code.
USING: combinators kernel ; IN: rosettacode.ternary SINGLETON: m UNION: trit t m POSTPONE: f ; GENERIC: >trit ( object -- trit ) M: trit >trit ; : tnot ( trit1 -- trit ) >trit { { t [ f ] } { m [ m ] } { f [ t ] } } case ; : tand ( trit1 trit2 -- trit ) >trit { { t [ >trit ] } { m [ >trit { { t [ m ] } { m [ m ] } { f [ f ] } } case ] } { f [ >trit drop f ] } } case ; : tor ( trit1 trit2 -- trit ) >trit { { t [ >trit drop t ] } { m [ >trit { { t [ t ] } { m [ m ] } { f [ m ] } } case ] } { f [ >trit ] } } case ; : txor ( trit1 trit2 -- trit ) >trit { { t [ tnot ] } { m [ >trit drop m ] } { f [ >trit ] } } case ; : t= ( trit1 trit2 -- trit ) { { t [ >trit ] } { m [ >trit drop m ] } { f [ tnot ] } } case ;
#include <stdio.h> typedef enum { TRITTRUE, TRITMAYBE, TRITFALSE } trit; trit tritNot[3] = {TRITFALSE , TRITMAYBE, TRITTRUE}; trit tritAnd[3][3] = { {TRITTRUE, TRITMAYBE, TRITFALSE}, {TRITMAYBE, TRITMAYBE, TRITFALSE}, {TRITFALSE, TRITFALSE, TRITFALSE} }; trit tritOr[3][3] = { {TRITTRUE, TRITTRUE, TRITTRUE}, {TRITTRUE, TRITMAYBE, TRITMAYBE}, {TRITTRUE, TRITMAYBE, TRITFALSE} }; trit tritThen[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITTRUE, TRITMAYBE, TRITMAYBE}, { TRITTRUE, TRITTRUE, TRITTRUE } }; trit tritEquiv[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITMAYBE, TRITMAYBE, TRITMAYBE}, { TRITFALSE, TRITMAYBE, TRITTRUE } }; const char* tritString[3] = {"T", "?", "F"}; void demo_binary_op(trit operator[3][3], const char* name) { trit operand1 = TRITTRUE; trit operand2 = TRITTRUE; printf("\n"); for( operand1 = TRITTRUE; operand1 <= TRITFALSE; ++operand1 ) { for( operand2 = TRITTRUE; operand2 <= TRITFALSE; ++operand2 ) { printf("%s %s %s: %s\n", tritString[operand1], name, tritString[operand2], tritString[operator[operand1][operand2]]); } } } int main() { trit op1 = TRITTRUE; trit op2 = TRITTRUE; for( op1 = TRITTRUE; op1 <= TRITFALSE; ++op1 ) { printf("Not %s: %s\n", tritString[op1], tritString[tritNot[op1]]); } demo_binary_op(tritAnd, "And"); demo_binary_op(tritOr, "Or"); demo_binary_op(tritThen, "Then"); demo_binary_op(tritEquiv, "Equiv"); return 0; }
Write a version of this Factor function in C# with identical behavior.
USING: combinators kernel ; IN: rosettacode.ternary SINGLETON: m UNION: trit t m POSTPONE: f ; GENERIC: >trit ( object -- trit ) M: trit >trit ; : tnot ( trit1 -- trit ) >trit { { t [ f ] } { m [ m ] } { f [ t ] } } case ; : tand ( trit1 trit2 -- trit ) >trit { { t [ >trit ] } { m [ >trit { { t [ m ] } { m [ m ] } { f [ f ] } } case ] } { f [ >trit drop f ] } } case ; : tor ( trit1 trit2 -- trit ) >trit { { t [ >trit drop t ] } { m [ >trit { { t [ t ] } { m [ m ] } { f [ m ] } } case ] } { f [ >trit ] } } case ; : txor ( trit1 trit2 -- trit ) >trit { { t [ tnot ] } { m [ >trit drop m ] } { f [ >trit ] } } case ; : t= ( trit1 trit2 -- trit ) { { t [ >trit ] } { m [ >trit drop m ] } { f [ tnot ] } } case ;
using System; public static class NullableBoolExtension { public static bool? Implies(this bool? left, bool? right) { return !left | right; } public static bool? IsEquivalentTo(this bool? left, bool? right) { return left.HasValue && right.HasValue ? left == right : default(bool?); } public static string Format(this bool? value) { return value.HasValue ? value.Value.ToString() : "Maybe"; } } public class Program { private static void Main() { var values = new[] { true, default(bool?), false }; foreach (var left in values) { Console.WriteLine("¬{0} = {1}", left.Format(), (!left).Format()); foreach (var right in values) { Console.WriteLine("{0} & {1} = {2}", left.Format(), right.Format(), (left & right).Format()); Console.WriteLine("{0} | {1} = {2}", left.Format(), right.Format(), (left | right).Format()); Console.WriteLine("{0} → {1} = {2}", left.Format(), right.Format(), left.Implies(right).Format()); Console.WriteLine("{0} ≡ {1} = {2}", left.Format(), right.Format(), left.IsEquivalentTo(right).Format()); } } } }
Change the following Factor code into C++ without altering its purpose.
USING: combinators kernel ; IN: rosettacode.ternary SINGLETON: m UNION: trit t m POSTPONE: f ; GENERIC: >trit ( object -- trit ) M: trit >trit ; : tnot ( trit1 -- trit ) >trit { { t [ f ] } { m [ m ] } { f [ t ] } } case ; : tand ( trit1 trit2 -- trit ) >trit { { t [ >trit ] } { m [ >trit { { t [ m ] } { m [ m ] } { f [ f ] } } case ] } { f [ >trit drop f ] } } case ; : tor ( trit1 trit2 -- trit ) >trit { { t [ >trit drop t ] } { m [ >trit { { t [ t ] } { m [ m ] } { f [ m ] } } case ] } { f [ >trit ] } } case ; : txor ( trit1 trit2 -- trit ) >trit { { t [ tnot ] } { m [ >trit drop m ] } { f [ >trit ] } } case ; : t= ( trit1 trit2 -- trit ) { { t [ >trit ] } { m [ >trit drop m ] } { f [ tnot ] } } case ;
#include <iostream> #include <stdlib.h> class trit { public: static const trit False, Maybe, True; trit operator !() const { return static_cast<Value>(-value); } trit operator &&(const trit &b) const { return (value < b.value) ? value : b.value; } trit operator ||(const trit &b) const { return (value > b.value) ? value : b.value; } trit operator >>(const trit &b) const { return -value > b.value ? static_cast<Value>(-value) : b.value; } trit operator ==(const trit &b) const { return static_cast<Value>(value * b.value); } char chr() const { return "F?T"[value + 1]; } protected: typedef enum { FALSE=-1, MAYBE, TRUE } Value; Value value; trit(const Value value) : value(value) { } }; std::ostream& operator<<(std::ostream &os, const trit &t) { os << t.chr(); return os; } const trit trit::False = trit(trit::FALSE); const trit trit::Maybe = trit(trit::MAYBE); const trit trit::True = trit(trit::TRUE); int main(int, char**) { const trit trits[3] = { trit::True, trit::Maybe, trit::False }; #define for_each(name) \ for (size_t name=0; name<3; ++name) #define show_op(op) \ std::cout << std::endl << #op << " "; \ for_each(a) std::cout << ' ' << trits[a]; \ std::cout << std::endl << " -------"; \ for_each(a) { \ std::cout << std::endl << trits[a] << " |"; \ for_each(b) std::cout << ' ' << (trits[a] op trits[b]); \ } \ std::cout << std::endl; std::cout << "! ----" << std::endl; for_each(a) std::cout << trits[a] << " | " << !trits[a] << std::endl; show_op(&&); show_op(||); show_op(>>); show_op(==); return EXIT_SUCCESS; }
Port the provided Factor code into Java while preserving the original functionality.
USING: combinators kernel ; IN: rosettacode.ternary SINGLETON: m UNION: trit t m POSTPONE: f ; GENERIC: >trit ( object -- trit ) M: trit >trit ; : tnot ( trit1 -- trit ) >trit { { t [ f ] } { m [ m ] } { f [ t ] } } case ; : tand ( trit1 trit2 -- trit ) >trit { { t [ >trit ] } { m [ >trit { { t [ m ] } { m [ m ] } { f [ f ] } } case ] } { f [ >trit drop f ] } } case ; : tor ( trit1 trit2 -- trit ) >trit { { t [ >trit drop t ] } { m [ >trit { { t [ t ] } { m [ m ] } { f [ m ] } } case ] } { f [ >trit ] } } case ; : txor ( trit1 trit2 -- trit ) >trit { { t [ tnot ] } { m [ >trit drop m ] } { f [ >trit ] } } case ; : t= ( trit1 trit2 -- trit ) { { t [ >trit ] } { m [ >trit drop m ] } { f [ tnot ] } } case ;
public class Logic{ public static enum Trit{ TRUE, MAYBE, FALSE; public Trit and(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == FALSE) ? FALSE : MAYBE; }else{ return FALSE; } } public Trit or(Trit other){ if(this == TRUE){ return TRUE; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return other; } } public Trit tIf(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return (other == TRUE) ? TRUE : MAYBE; }else{ return TRUE; } } public Trit not(){ if(this == TRUE){ return FALSE; }else if(this == MAYBE){ return MAYBE; }else{ return TRUE; } } public Trit equals(Trit other){ if(this == TRUE){ return other; }else if(this == MAYBE){ return MAYBE; }else{ return other.not(); } } } public static void main(String[] args){ for(Trit a:Trit.values()){ System.out.println("not " + a + ": " + a.not()); } for(Trit a:Trit.values()){ for(Trit b:Trit.values()){ System.out.println(a+" and "+b+": "+a.and(b)+ "\t "+a+" or "+b+": "+a.or(b)+ "\t "+a+" implies "+b+": "+a.tIf(b)+ "\t "+a+" = "+b+": "+a.equals(b)); } } } }
Convert the following code from Factor to Python, ensuring the logic remains intact.
USING: combinators kernel ; IN: rosettacode.ternary SINGLETON: m UNION: trit t m POSTPONE: f ; GENERIC: >trit ( object -- trit ) M: trit >trit ; : tnot ( trit1 -- trit ) >trit { { t [ f ] } { m [ m ] } { f [ t ] } } case ; : tand ( trit1 trit2 -- trit ) >trit { { t [ >trit ] } { m [ >trit { { t [ m ] } { m [ m ] } { f [ f ] } } case ] } { f [ >trit drop f ] } } case ; : tor ( trit1 trit2 -- trit ) >trit { { t [ >trit drop t ] } { m [ >trit { { t [ t ] } { m [ m ] } { f [ m ] } } case ] } { f [ >trit ] } } case ; : txor ( trit1 trit2 -- trit ) >trit { { t [ tnot ] } { m [ >trit drop m ] } { f [ >trit ] } } case ; : t= ( trit1 trit2 -- trit ) { { t [ >trit ] } { m [ >trit drop m ] } { f [ tnot ] } } case ;
class Trit(int): def __new__(cls, value): if value == 'TRUE': value = 1 elif value == 'FALSE': value = 0 elif value == 'MAYBE': value = -1 return super(Trit, cls).__new__(cls, value // (abs(value) or 1)) def __repr__(self): if self > 0: return 'TRUE' elif self == 0: return 'FALSE' return 'MAYBE' def __str__(self): return repr(self) def __bool__(self): if self > 0: return True elif self == 0: return False else: raise ValueError("invalid literal for bool(): '%s'" % self) def __or__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __ror__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][1] else: try: return _ttable[(self, Trit(bool(other)))][1] except: return NotImplemented def __and__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __rand__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][0] else: try: return _ttable[(self, Trit(bool(other)))][0] except: return NotImplemented def __xor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __rxor__(self, other): if isinstance(other, Trit): return _ttable[(self, other)][2] else: try: return _ttable[(self, Trit(bool(other)))][2] except: return NotImplemented def __invert__(self): return _ttable[self] def __getattr__(self, name): if name in ('_n', 'flip'): return _ttable[self] else: raise AttributeError TRUE, FALSE, MAYBE = Trit(1), Trit(0), Trit(-1) _ttable = { TRUE: FALSE, FALSE: TRUE, MAYBE: MAYBE, (MAYBE, MAYBE): (MAYBE, MAYBE, MAYBE), (MAYBE, FALSE): (FALSE, MAYBE, MAYBE), (MAYBE, TRUE): (MAYBE, TRUE, MAYBE), (FALSE, MAYBE): (FALSE, MAYBE, MAYBE), (FALSE, FALSE): (FALSE, FALSE, FALSE), (FALSE, TRUE): (FALSE, TRUE, TRUE), ( TRUE, MAYBE): (MAYBE, TRUE, MAYBE), ( TRUE, FALSE): (FALSE, TRUE, TRUE), ( TRUE, TRUE): ( TRUE, TRUE, FALSE), } values = ('FALSE', 'TRUE ', 'MAYBE') print("\nTrit logical inverse, '~'") for a in values: expr = '~%s' % a print(' %s = %s' % (expr, eval(expr))) for op, ophelp in (('&', 'and'), ('|', 'or'), ('^', 'exclusive-or')): print("\nTrit logical %s, '%s'" % (ophelp, op)) for a in values: for b in values: expr = '%s %s %s' % (a, op, b) print(' %s = %s' % (expr, eval(expr)))
Convert this Factor block to Go, preserving its control flow and logic.
USING: combinators kernel ; IN: rosettacode.ternary SINGLETON: m UNION: trit t m POSTPONE: f ; GENERIC: >trit ( object -- trit ) M: trit >trit ; : tnot ( trit1 -- trit ) >trit { { t [ f ] } { m [ m ] } { f [ t ] } } case ; : tand ( trit1 trit2 -- trit ) >trit { { t [ >trit ] } { m [ >trit { { t [ m ] } { m [ m ] } { f [ f ] } } case ] } { f [ >trit drop f ] } } case ; : tor ( trit1 trit2 -- trit ) >trit { { t [ >trit drop t ] } { m [ >trit { { t [ t ] } { m [ m ] } { f [ m ] } } case ] } { f [ >trit ] } } case ; : txor ( trit1 trit2 -- trit ) >trit { { t [ tnot ] } { m [ >trit drop m ] } { f [ >trit ] } } case ; : t= ( trit1 trit2 -- trit ) { { t [ >trit ] } { m [ >trit drop m ] } { f [ tnot ] } } case ;
package main import "fmt" type trit int8 const ( trFalse trit = iota - 1 trMaybe trTrue ) func (t trit) String() string { switch t { case trFalse: return "False" case trMaybe: return "Maybe" case trTrue: return "True " } panic("Invalid trit") } func trNot(t trit) trit { return -t } func trAnd(s, t trit) trit { if s < t { return s } return t } func trOr(s, t trit) trit { if s > t { return s } return t } func trEq(s, t trit) trit { return s * t } func main() { trSet := []trit{trFalse, trMaybe, trTrue} fmt.Println("t not t") for _, t := range trSet { fmt.Println(t, trNot(t)) } fmt.Println("\ns t s and t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trAnd(s, t)) } } fmt.Println("\ns t s or t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trOr(s, t)) } } fmt.Println("\ns t s eq t") for _, s := range trSet { for _, t := range trSet { fmt.Println(s, t, trEq(s, t)) } } }
Maintain the same structure and functionality when rewriting this code in C.
1 constant maybe : tnot dup maybe <> if invert then ; : tand and ; : tor or ; : tequiv 2dup and rot tnot rot tnot and or ; : timply tnot tor ; : txor tequiv tnot ; : t. C" TF?" 2 + + c@ emit ; : table2. cr ." T F ?" cr ." --------" 2 true DO cr I t. ." | " 2 true DO dup I J rot execute t. ." " LOOP LOOP DROP ; : table1. 2 true DO CR I t. ." | " dup I swap execute t. LOOP DROP ; CR ." [NOT]" ' tnot table1. CR CR ." [AND]" ' tand table2. CR CR ." [OR]" ' tor table2. CR CR ." [XOR]" ' txor table2. CR CR ." [IMPLY]" ' timply table2. CR CR ." [EQUIV]" ' tequiv table2. CR
#include <stdio.h> typedef enum { TRITTRUE, TRITMAYBE, TRITFALSE } trit; trit tritNot[3] = {TRITFALSE , TRITMAYBE, TRITTRUE}; trit tritAnd[3][3] = { {TRITTRUE, TRITMAYBE, TRITFALSE}, {TRITMAYBE, TRITMAYBE, TRITFALSE}, {TRITFALSE, TRITFALSE, TRITFALSE} }; trit tritOr[3][3] = { {TRITTRUE, TRITTRUE, TRITTRUE}, {TRITTRUE, TRITMAYBE, TRITMAYBE}, {TRITTRUE, TRITMAYBE, TRITFALSE} }; trit tritThen[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITTRUE, TRITMAYBE, TRITMAYBE}, { TRITTRUE, TRITTRUE, TRITTRUE } }; trit tritEquiv[3][3] = { { TRITTRUE, TRITMAYBE, TRITFALSE}, { TRITMAYBE, TRITMAYBE, TRITMAYBE}, { TRITFALSE, TRITMAYBE, TRITTRUE } }; const char* tritString[3] = {"T", "?", "F"}; void demo_binary_op(trit operator[3][3], const char* name) { trit operand1 = TRITTRUE; trit operand2 = TRITTRUE; printf("\n"); for( operand1 = TRITTRUE; operand1 <= TRITFALSE; ++operand1 ) { for( operand2 = TRITTRUE; operand2 <= TRITFALSE; ++operand2 ) { printf("%s %s %s: %s\n", tritString[operand1], name, tritString[operand2], tritString[operator[operand1][operand2]]); } } } int main() { trit op1 = TRITTRUE; trit op2 = TRITTRUE; for( op1 = TRITTRUE; op1 <= TRITFALSE; ++op1 ) { printf("Not %s: %s\n", tritString[op1], tritString[tritNot[op1]]); } demo_binary_op(tritAnd, "And"); demo_binary_op(tritOr, "Or"); demo_binary_op(tritThen, "Then"); demo_binary_op(tritEquiv, "Equiv"); return 0; }
Rewrite the snippet below in C# so it works the same as the original Forth code.
1 constant maybe : tnot dup maybe <> if invert then ; : tand and ; : tor or ; : tequiv 2dup and rot tnot rot tnot and or ; : timply tnot tor ; : txor tequiv tnot ; : t. C" TF?" 2 + + c@ emit ; : table2. cr ." T F ?" cr ." --------" 2 true DO cr I t. ." | " 2 true DO dup I J rot execute t. ." " LOOP LOOP DROP ; : table1. 2 true DO CR I t. ." | " dup I swap execute t. LOOP DROP ; CR ." [NOT]" ' tnot table1. CR CR ." [AND]" ' tand table2. CR CR ." [OR]" ' tor table2. CR CR ." [XOR]" ' txor table2. CR CR ." [IMPLY]" ' timply table2. CR CR ." [EQUIV]" ' tequiv table2. CR
using System; public static class NullableBoolExtension { public static bool? Implies(this bool? left, bool? right) { return !left | right; } public static bool? IsEquivalentTo(this bool? left, bool? right) { return left.HasValue && right.HasValue ? left == right : default(bool?); } public static string Format(this bool? value) { return value.HasValue ? value.Value.ToString() : "Maybe"; } } public class Program { private static void Main() { var values = new[] { true, default(bool?), false }; foreach (var left in values) { Console.WriteLine("¬{0} = {1}", left.Format(), (!left).Format()); foreach (var right in values) { Console.WriteLine("{0} & {1} = {2}", left.Format(), right.Format(), (left & right).Format()); Console.WriteLine("{0} | {1} = {2}", left.Format(), right.Format(), (left | right).Format()); Console.WriteLine("{0} → {1} = {2}", left.Format(), right.Format(), left.Implies(right).Format()); Console.WriteLine("{0} ≡ {1} = {2}", left.Format(), right.Format(), left.IsEquivalentTo(right).Format()); } } } }
Convert this Forth snippet to C++ and keep its semantics consistent.
1 constant maybe : tnot dup maybe <> if invert then ; : tand and ; : tor or ; : tequiv 2dup and rot tnot rot tnot and or ; : timply tnot tor ; : txor tequiv tnot ; : t. C" TF?" 2 + + c@ emit ; : table2. cr ." T F ?" cr ." --------" 2 true DO cr I t. ." | " 2 true DO dup I J rot execute t. ." " LOOP LOOP DROP ; : table1. 2 true DO CR I t. ." | " dup I swap execute t. LOOP DROP ; CR ." [NOT]" ' tnot table1. CR CR ." [AND]" ' tand table2. CR CR ." [OR]" ' tor table2. CR CR ." [XOR]" ' txor table2. CR CR ." [IMPLY]" ' timply table2. CR CR ." [EQUIV]" ' tequiv table2. CR
#include <iostream> #include <stdlib.h> class trit { public: static const trit False, Maybe, True; trit operator !() const { return static_cast<Value>(-value); } trit operator &&(const trit &b) const { return (value < b.value) ? value : b.value; } trit operator ||(const trit &b) const { return (value > b.value) ? value : b.value; } trit operator >>(const trit &b) const { return -value > b.value ? static_cast<Value>(-value) : b.value; } trit operator ==(const trit &b) const { return static_cast<Value>(value * b.value); } char chr() const { return "F?T"[value + 1]; } protected: typedef enum { FALSE=-1, MAYBE, TRUE } Value; Value value; trit(const Value value) : value(value) { } }; std::ostream& operator<<(std::ostream &os, const trit &t) { os << t.chr(); return os; } const trit trit::False = trit(trit::FALSE); const trit trit::Maybe = trit(trit::MAYBE); const trit trit::True = trit(trit::TRUE); int main(int, char**) { const trit trits[3] = { trit::True, trit::Maybe, trit::False }; #define for_each(name) \ for (size_t name=0; name<3; ++name) #define show_op(op) \ std::cout << std::endl << #op << " "; \ for_each(a) std::cout << ' ' << trits[a]; \ std::cout << std::endl << " -------"; \ for_each(a) { \ std::cout << std::endl << trits[a] << " |"; \ for_each(b) std::cout << ' ' << (trits[a] op trits[b]); \ } \ std::cout << std::endl; std::cout << "! ----" << std::endl; for_each(a) std::cout << trits[a] << " | " << !trits[a] << std::endl; show_op(&&); show_op(||); show_op(>>); show_op(==); return EXIT_SUCCESS; }