Instruction stringlengths 45 106 | input_code stringlengths 1 13.7k | output_code stringlengths 1 13.7k |
|---|---|---|
Generate a Go translation of this OCaml snippet without changing its computational steps. | #! /usr/bin/env ocaml
#directory "+glMLite/"
#load "jpeg_loader.cma"
#load "bigarray.cma"
open Jpeg_loader
let () =
let img1, width1, height1, col_comp1, color_space1 = load_img (Filename Sys.argv.(1))
and img2, width2, height2, col_comp2, color_space2 = load_img (Filename Sys.argv.(2)) in
assert(width1 = width2);
assert(height1 = height2);
assert(col_comp1 = col_comp2);
assert(color_space1 = color_space2);
let img1 = Bigarray.array3_of_genarray img1
and img2 = Bigarray.array3_of_genarray img2 in
let sum = ref 0.0
and num = ref 0 in
for x=0 to pred width1 do
for y=0 to pred height1 do
for c=0 to pred col_comp1 do
let v1 = float img1.{x,y,c}
and v2 = float img2.{x,y,c} in
let diff = (abs_float (v1 -. v2)) /. 255. in
sum := diff +. !sum;
incr num;
done;
done;
done;
let diff_percent = !sum /. float !num in
Printf.printf " diff: %f percent\n" diff_percent;
;;
| package main
import (
"fmt"
"image/jpeg"
"os"
"log"
"image"
)
func loadJpeg(filename string) (image.Image, error) {
f, err := os.Open(filename)
if err != nil {
return nil, err
}
defer f.Close()
img, err := jpeg.Decode(f)
if err != nil {
return nil, err
}
return img, nil
}
func diff(a, b uint32) int64 {
if a > b {
return int64(a - b)
}
return int64(b - a)
}
func main() {
i50, err := loadJpeg("Lenna50.jpg")
if err != nil {
log.Fatal(err)
}
i100, err := loadJpeg("Lenna100.jpg")
if err != nil {
log.Fatal(err)
}
if i50.ColorModel() != i100.ColorModel() {
log.Fatal("different color models")
}
b := i50.Bounds()
if !b.Eq(i100.Bounds()) {
log.Fatal("different image sizes")
}
var sum int64
for y := b.Min.Y; y < b.Max.Y; y++ {
for x := b.Min.X; x < b.Max.X; x++ {
r1, g1, b1, _ := i50.At(x, y).RGBA()
r2, g2, b2, _ := i100.At(x, y).RGBA()
sum += diff(r1, r2)
sum += diff(g1, g2)
sum += diff(b1, b2)
}
}
nPixels := (b.Max.X - b.Min.X) * (b.Max.Y - b.Min.Y)
fmt.Printf("Image difference: %f%%\n",
float64(sum*100)/(float64(nPixels)*0xffff*3))
}
|
Rewrite the snippet below in C# so it works the same as the original Perl code. | use Image::Imlib2;
my $img1 = Image::Imlib2->load('Lenna50.jpg') || die;
my $img2 = Image::Imlib2->load('Lenna100.jpg') || die;
my $w = $img1->width;
my $h = $img1->height;
my $sum = 0;
for my $x (0..$w-1) {
for my $y (0..$h-1) {
my ($r1, $g1, $b1) = $img1->query_pixel($x, $y);
my ($r2, $g2, $b2) = $img2->query_pixel($x, $y);
$sum += abs($r1-$r2) + abs($g1-$g2) + abs($b1-$b2);
}
}
printf "%% difference = %.4f\n", 100 * $sum / ($w * $h * 3 * 255);
| using System;
using System.Drawing;
class Program
{
static void Main()
{
Bitmap img1 = new Bitmap("Lenna50.jpg");
Bitmap img2 = new Bitmap("Lenna100.jpg");
if (img1.Size != img2.Size)
{
Console.Error.WriteLine("Images are of different sizes");
return;
}
float diff = 0;
for (int y = 0; y < img1.Height; y++)
{
for (int x = 0; x < img1.Width; x++)
{
Color pixel1 = img1.GetPixel(x, y);
Color pixel2 = img2.GetPixel(x, y);
diff += Math.Abs(pixel1.R - pixel2.R);
diff += Math.Abs(pixel1.G - pixel2.G);
diff += Math.Abs(pixel1.B - pixel2.B);
}
}
Console.WriteLine("diff: {0} %", 100 * (diff / 255) / (img1.Width * img1.Height * 3));
}
}
|
Preserve the algorithm and functionality while converting the code from Perl to C++. | use Image::Imlib2;
my $img1 = Image::Imlib2->load('Lenna50.jpg') || die;
my $img2 = Image::Imlib2->load('Lenna100.jpg') || die;
my $w = $img1->width;
my $h = $img1->height;
my $sum = 0;
for my $x (0..$w-1) {
for my $y (0..$h-1) {
my ($r1, $g1, $b1) = $img1->query_pixel($x, $y);
my ($r2, $g2, $b2) = $img2->query_pixel($x, $y);
$sum += abs($r1-$r2) + abs($g1-$g2) + abs($b1-$b2);
}
}
printf "%% difference = %.4f\n", 100 * $sum / ($w * $h * 3 * 255);
| #include <QImage>
#include <cstdlib>
#include <QColor>
#include <iostream>
int main( int argc , char *argv[ ] ) {
if ( argc != 3 ) {
std::cout << "Call this with imagecompare <file of image 1>"
<< " <file of image 2>\n" ;
return 1 ;
}
QImage firstImage ( argv[ 1 ] ) ;
QImage secondImage ( argv[ 2 ] ) ;
double totaldiff = 0.0 ;
int h = firstImage.height( ) ;
int w = firstImage.width( ) ;
int hsecond = secondImage.height( ) ;
int wsecond = secondImage.width( ) ;
if ( w != wsecond || h != hsecond ) {
std::cerr << "Error, pictures must have identical dimensions!\n" ;
return 2 ;
}
for ( int y = 0 ; y < h ; y++ ) {
uint *firstLine = ( uint* )firstImage.scanLine( y ) ;
uint *secondLine = ( uint* )secondImage.scanLine( y ) ;
for ( int x = 0 ; x < w ; x++ ) {
uint pixelFirst = firstLine[ x ] ;
int rFirst = qRed( pixelFirst ) ;
int gFirst = qGreen( pixelFirst ) ;
int bFirst = qBlue( pixelFirst ) ;
uint pixelSecond = secondLine[ x ] ;
int rSecond = qRed( pixelSecond ) ;
int gSecond = qGreen( pixelSecond ) ;
int bSecond = qBlue( pixelSecond ) ;
totaldiff += std::abs( rFirst - rSecond ) / 255.0 ;
totaldiff += std::abs( gFirst - gSecond ) / 255.0 ;
totaldiff += std::abs( bFirst -bSecond ) / 255.0 ;
}
}
std::cout << "The difference of the two pictures is " <<
(totaldiff * 100) / (w * h * 3) << " % !\n" ;
return 0 ;
}
|
Transform the following Perl implementation into Java, maintaining the same output and logic. | use Image::Imlib2;
my $img1 = Image::Imlib2->load('Lenna50.jpg') || die;
my $img2 = Image::Imlib2->load('Lenna100.jpg') || die;
my $w = $img1->width;
my $h = $img1->height;
my $sum = 0;
for my $x (0..$w-1) {
for my $y (0..$h-1) {
my ($r1, $g1, $b1) = $img1->query_pixel($x, $y);
my ($r2, $g2, $b2) = $img2->query_pixel($x, $y);
$sum += abs($r1-$r2) + abs($g1-$g2) + abs($b1-$b2);
}
}
printf "%% difference = %.4f\n", 100 * $sum / ($w * $h * 3 * 255);
| import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public enum ImgDiffPercent {
;
public static void main(String[] args) throws IOException {
BufferedImage img1 = ImageIO.read(new File("Lenna50.jpg"));
BufferedImage img2 = ImageIO.read(new File("Lenna100.jpg"));
double p = getDifferencePercent(img1, img2);
System.out.println("diff percent: " + p);
}
private static double getDifferencePercent(BufferedImage img1, BufferedImage img2) {
int width = img1.getWidth();
int height = img1.getHeight();
int width2 = img2.getWidth();
int height2 = img2.getHeight();
if (width != width2 || height != height2) {
throw new IllegalArgumentException(String.format("Images must have the same dimensions: (%d,%d) vs. (%d,%d)", width, height, width2, height2));
}
long diff = 0;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y));
}
}
long maxDiff = 3L * 255 * width * height;
return 100.0 * diff / maxDiff;
}
private static int pixelDiff(int rgb1, int rgb2) {
int r1 = (rgb1 >> 16) & 0xff;
int g1 = (rgb1 >> 8) & 0xff;
int b1 = rgb1 & 0xff;
int r2 = (rgb2 >> 16) & 0xff;
int g2 = (rgb2 >> 8) & 0xff;
int b2 = rgb2 & 0xff;
return Math.abs(r1 - r2) + Math.abs(g1 - g2) + Math.abs(b1 - b2);
}
}
|
Keep all operations the same but rewrite the snippet in Python. | use Image::Imlib2;
my $img1 = Image::Imlib2->load('Lenna50.jpg') || die;
my $img2 = Image::Imlib2->load('Lenna100.jpg') || die;
my $w = $img1->width;
my $h = $img1->height;
my $sum = 0;
for my $x (0..$w-1) {
for my $y (0..$h-1) {
my ($r1, $g1, $b1) = $img1->query_pixel($x, $y);
my ($r2, $g2, $b2) = $img2->query_pixel($x, $y);
$sum += abs($r1-$r2) + abs($g1-$g2) + abs($b1-$b2);
}
}
printf "%% difference = %.4f\n", 100 * $sum / ($w * $h * 3 * 255);
| from PIL import Image
i1 = Image.open("image1.jpg")
i2 = Image.open("image2.jpg")
assert i1.mode == i2.mode, "Different kinds of images."
assert i1.size == i2.size, "Different sizes."
pairs = zip(i1.getdata(), i2.getdata())
if len(i1.getbands()) == 1:
dif = sum(abs(p1-p2) for p1,p2 in pairs)
else:
dif = sum(abs(c1-c2) for p1,p2 in pairs for c1,c2 in zip(p1,p2))
ncomponents = i1.size[0] * i1.size[1] * 3
print ("Difference (percentage):", (dif / 255.0 * 100) / ncomponents)
|
Produce a language-to-language conversion: from Perl to Go, same semantics. | use Image::Imlib2;
my $img1 = Image::Imlib2->load('Lenna50.jpg') || die;
my $img2 = Image::Imlib2->load('Lenna100.jpg') || die;
my $w = $img1->width;
my $h = $img1->height;
my $sum = 0;
for my $x (0..$w-1) {
for my $y (0..$h-1) {
my ($r1, $g1, $b1) = $img1->query_pixel($x, $y);
my ($r2, $g2, $b2) = $img2->query_pixel($x, $y);
$sum += abs($r1-$r2) + abs($g1-$g2) + abs($b1-$b2);
}
}
printf "%% difference = %.4f\n", 100 * $sum / ($w * $h * 3 * 255);
| package main
import (
"fmt"
"image/jpeg"
"os"
"log"
"image"
)
func loadJpeg(filename string) (image.Image, error) {
f, err := os.Open(filename)
if err != nil {
return nil, err
}
defer f.Close()
img, err := jpeg.Decode(f)
if err != nil {
return nil, err
}
return img, nil
}
func diff(a, b uint32) int64 {
if a > b {
return int64(a - b)
}
return int64(b - a)
}
func main() {
i50, err := loadJpeg("Lenna50.jpg")
if err != nil {
log.Fatal(err)
}
i100, err := loadJpeg("Lenna100.jpg")
if err != nil {
log.Fatal(err)
}
if i50.ColorModel() != i100.ColorModel() {
log.Fatal("different color models")
}
b := i50.Bounds()
if !b.Eq(i100.Bounds()) {
log.Fatal("different image sizes")
}
var sum int64
for y := b.Min.Y; y < b.Max.Y; y++ {
for x := b.Min.X; x < b.Max.X; x++ {
r1, g1, b1, _ := i50.At(x, y).RGBA()
r2, g2, b2, _ := i100.At(x, y).RGBA()
sum += diff(r1, r2)
sum += diff(g1, g2)
sum += diff(b1, b2)
}
}
nPixels := (b.Max.X - b.Min.X) * (b.Max.Y - b.Min.Y)
fmt.Printf("Image difference: %f%%\n",
float64(sum*100)/(float64(nPixels)*0xffff*3))
}
|
Keep all operations the same but rewrite the snippet in C. | #lang racket
(require racket/draw)
(define (percentage-difference bitmap1 bitmap2)
(define width (send bitmap1 get-width))
(define height (send bitmap1 get-height))
(define buffer1 (make-bytes (* width height 4)))
(define buffer2 (make-bytes (* width height 4)))
(send (send bitmap1 make-dc) get-argb-pixels 0 0 width height buffer1)
(send (send bitmap2 make-dc) get-argb-pixels 0 0 width height buffer2)
(/ (* 100.0
(for/fold ((difference 0))
((i (in-naturals)) (x1 (in-bytes buffer1)) (x2 (in-bytes buffer2)))
(if (zero? (remainder i 4))
difference
(+ difference (abs (- x1 x2))))))
width height 3 256))
(define lenna50 (read-bitmap "lenna50.jpg"))
(define lenna100 (read-bitmap "lenna100.jpg"))
(percentage-difference lenna50 lenna100)
| #include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define RED_C 0
#define GREEN_C 1
#define BLUE_C 2
#define GET_PIXEL(IMG, X, Y) ((IMG)->buf[ (Y) * (IMG)->width + (X) ])
int main(int argc, char **argv)
{
image im1, im2;
double totalDiff = 0.0;
unsigned int x, y;
if ( argc < 3 )
{
fprintf(stderr, "usage:\n%s FILE1 FILE2\n", argv[0]);
exit(1);
}
im1 = read_image(argv[1]);
if ( im1 == NULL ) exit(1);
im2 = read_image(argv[2]);
if ( im2 == NULL ) { free_img(im1); exit(1); }
if ( (im1->width != im2->width) || (im1->height != im2->height) )
{
fprintf(stderr, "width/height of the images must match!\n");
} else {
for(x=0; x < im1->width; x++)
{
for(y=0; y < im1->width; y++)
{
totalDiff += fabs( GET_PIXEL(im1, x, y)[RED_C] - GET_PIXEL(im2, x, y)[RED_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[GREEN_C] - GET_PIXEL(im2, x, y)[GREEN_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[BLUE_C] - GET_PIXEL(im2, x, y)[BLUE_C] ) / 255.0;
}
}
printf("%lf\n", 100.0 * totalDiff / (double)(im1->width * im1->height * 3) );
}
free_img(im1);
free_img(im2);
}
|
Translate the given Racket code snippet into C# without altering its behavior. | #lang racket
(require racket/draw)
(define (percentage-difference bitmap1 bitmap2)
(define width (send bitmap1 get-width))
(define height (send bitmap1 get-height))
(define buffer1 (make-bytes (* width height 4)))
(define buffer2 (make-bytes (* width height 4)))
(send (send bitmap1 make-dc) get-argb-pixels 0 0 width height buffer1)
(send (send bitmap2 make-dc) get-argb-pixels 0 0 width height buffer2)
(/ (* 100.0
(for/fold ((difference 0))
((i (in-naturals)) (x1 (in-bytes buffer1)) (x2 (in-bytes buffer2)))
(if (zero? (remainder i 4))
difference
(+ difference (abs (- x1 x2))))))
width height 3 256))
(define lenna50 (read-bitmap "lenna50.jpg"))
(define lenna100 (read-bitmap "lenna100.jpg"))
(percentage-difference lenna50 lenna100)
| using System;
using System.Drawing;
class Program
{
static void Main()
{
Bitmap img1 = new Bitmap("Lenna50.jpg");
Bitmap img2 = new Bitmap("Lenna100.jpg");
if (img1.Size != img2.Size)
{
Console.Error.WriteLine("Images are of different sizes");
return;
}
float diff = 0;
for (int y = 0; y < img1.Height; y++)
{
for (int x = 0; x < img1.Width; x++)
{
Color pixel1 = img1.GetPixel(x, y);
Color pixel2 = img2.GetPixel(x, y);
diff += Math.Abs(pixel1.R - pixel2.R);
diff += Math.Abs(pixel1.G - pixel2.G);
diff += Math.Abs(pixel1.B - pixel2.B);
}
}
Console.WriteLine("diff: {0} %", 100 * (diff / 255) / (img1.Width * img1.Height * 3));
}
}
|
Transform the following Racket implementation into C++, maintaining the same output and logic. | #lang racket
(require racket/draw)
(define (percentage-difference bitmap1 bitmap2)
(define width (send bitmap1 get-width))
(define height (send bitmap1 get-height))
(define buffer1 (make-bytes (* width height 4)))
(define buffer2 (make-bytes (* width height 4)))
(send (send bitmap1 make-dc) get-argb-pixels 0 0 width height buffer1)
(send (send bitmap2 make-dc) get-argb-pixels 0 0 width height buffer2)
(/ (* 100.0
(for/fold ((difference 0))
((i (in-naturals)) (x1 (in-bytes buffer1)) (x2 (in-bytes buffer2)))
(if (zero? (remainder i 4))
difference
(+ difference (abs (- x1 x2))))))
width height 3 256))
(define lenna50 (read-bitmap "lenna50.jpg"))
(define lenna100 (read-bitmap "lenna100.jpg"))
(percentage-difference lenna50 lenna100)
| #include <QImage>
#include <cstdlib>
#include <QColor>
#include <iostream>
int main( int argc , char *argv[ ] ) {
if ( argc != 3 ) {
std::cout << "Call this with imagecompare <file of image 1>"
<< " <file of image 2>\n" ;
return 1 ;
}
QImage firstImage ( argv[ 1 ] ) ;
QImage secondImage ( argv[ 2 ] ) ;
double totaldiff = 0.0 ;
int h = firstImage.height( ) ;
int w = firstImage.width( ) ;
int hsecond = secondImage.height( ) ;
int wsecond = secondImage.width( ) ;
if ( w != wsecond || h != hsecond ) {
std::cerr << "Error, pictures must have identical dimensions!\n" ;
return 2 ;
}
for ( int y = 0 ; y < h ; y++ ) {
uint *firstLine = ( uint* )firstImage.scanLine( y ) ;
uint *secondLine = ( uint* )secondImage.scanLine( y ) ;
for ( int x = 0 ; x < w ; x++ ) {
uint pixelFirst = firstLine[ x ] ;
int rFirst = qRed( pixelFirst ) ;
int gFirst = qGreen( pixelFirst ) ;
int bFirst = qBlue( pixelFirst ) ;
uint pixelSecond = secondLine[ x ] ;
int rSecond = qRed( pixelSecond ) ;
int gSecond = qGreen( pixelSecond ) ;
int bSecond = qBlue( pixelSecond ) ;
totaldiff += std::abs( rFirst - rSecond ) / 255.0 ;
totaldiff += std::abs( gFirst - gSecond ) / 255.0 ;
totaldiff += std::abs( bFirst -bSecond ) / 255.0 ;
}
}
std::cout << "The difference of the two pictures is " <<
(totaldiff * 100) / (w * h * 3) << " % !\n" ;
return 0 ;
}
|
Change the following Racket code into Java without altering its purpose. | #lang racket
(require racket/draw)
(define (percentage-difference bitmap1 bitmap2)
(define width (send bitmap1 get-width))
(define height (send bitmap1 get-height))
(define buffer1 (make-bytes (* width height 4)))
(define buffer2 (make-bytes (* width height 4)))
(send (send bitmap1 make-dc) get-argb-pixels 0 0 width height buffer1)
(send (send bitmap2 make-dc) get-argb-pixels 0 0 width height buffer2)
(/ (* 100.0
(for/fold ((difference 0))
((i (in-naturals)) (x1 (in-bytes buffer1)) (x2 (in-bytes buffer2)))
(if (zero? (remainder i 4))
difference
(+ difference (abs (- x1 x2))))))
width height 3 256))
(define lenna50 (read-bitmap "lenna50.jpg"))
(define lenna100 (read-bitmap "lenna100.jpg"))
(percentage-difference lenna50 lenna100)
| import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public enum ImgDiffPercent {
;
public static void main(String[] args) throws IOException {
BufferedImage img1 = ImageIO.read(new File("Lenna50.jpg"));
BufferedImage img2 = ImageIO.read(new File("Lenna100.jpg"));
double p = getDifferencePercent(img1, img2);
System.out.println("diff percent: " + p);
}
private static double getDifferencePercent(BufferedImage img1, BufferedImage img2) {
int width = img1.getWidth();
int height = img1.getHeight();
int width2 = img2.getWidth();
int height2 = img2.getHeight();
if (width != width2 || height != height2) {
throw new IllegalArgumentException(String.format("Images must have the same dimensions: (%d,%d) vs. (%d,%d)", width, height, width2, height2));
}
long diff = 0;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y));
}
}
long maxDiff = 3L * 255 * width * height;
return 100.0 * diff / maxDiff;
}
private static int pixelDiff(int rgb1, int rgb2) {
int r1 = (rgb1 >> 16) & 0xff;
int g1 = (rgb1 >> 8) & 0xff;
int b1 = rgb1 & 0xff;
int r2 = (rgb2 >> 16) & 0xff;
int g2 = (rgb2 >> 8) & 0xff;
int b2 = rgb2 & 0xff;
return Math.abs(r1 - r2) + Math.abs(g1 - g2) + Math.abs(b1 - b2);
}
}
|
Keep all operations the same but rewrite the snippet in Python. | #lang racket
(require racket/draw)
(define (percentage-difference bitmap1 bitmap2)
(define width (send bitmap1 get-width))
(define height (send bitmap1 get-height))
(define buffer1 (make-bytes (* width height 4)))
(define buffer2 (make-bytes (* width height 4)))
(send (send bitmap1 make-dc) get-argb-pixels 0 0 width height buffer1)
(send (send bitmap2 make-dc) get-argb-pixels 0 0 width height buffer2)
(/ (* 100.0
(for/fold ((difference 0))
((i (in-naturals)) (x1 (in-bytes buffer1)) (x2 (in-bytes buffer2)))
(if (zero? (remainder i 4))
difference
(+ difference (abs (- x1 x2))))))
width height 3 256))
(define lenna50 (read-bitmap "lenna50.jpg"))
(define lenna100 (read-bitmap "lenna100.jpg"))
(percentage-difference lenna50 lenna100)
| from PIL import Image
i1 = Image.open("image1.jpg")
i2 = Image.open("image2.jpg")
assert i1.mode == i2.mode, "Different kinds of images."
assert i1.size == i2.size, "Different sizes."
pairs = zip(i1.getdata(), i2.getdata())
if len(i1.getbands()) == 1:
dif = sum(abs(p1-p2) for p1,p2 in pairs)
else:
dif = sum(abs(c1-c2) for p1,p2 in pairs for c1,c2 in zip(p1,p2))
ncomponents = i1.size[0] * i1.size[1] * 3
print ("Difference (percentage):", (dif / 255.0 * 100) / ncomponents)
|
Convert this Racket snippet to Go and keep its semantics consistent. | #lang racket
(require racket/draw)
(define (percentage-difference bitmap1 bitmap2)
(define width (send bitmap1 get-width))
(define height (send bitmap1 get-height))
(define buffer1 (make-bytes (* width height 4)))
(define buffer2 (make-bytes (* width height 4)))
(send (send bitmap1 make-dc) get-argb-pixels 0 0 width height buffer1)
(send (send bitmap2 make-dc) get-argb-pixels 0 0 width height buffer2)
(/ (* 100.0
(for/fold ((difference 0))
((i (in-naturals)) (x1 (in-bytes buffer1)) (x2 (in-bytes buffer2)))
(if (zero? (remainder i 4))
difference
(+ difference (abs (- x1 x2))))))
width height 3 256))
(define lenna50 (read-bitmap "lenna50.jpg"))
(define lenna100 (read-bitmap "lenna100.jpg"))
(percentage-difference lenna50 lenna100)
| package main
import (
"fmt"
"image/jpeg"
"os"
"log"
"image"
)
func loadJpeg(filename string) (image.Image, error) {
f, err := os.Open(filename)
if err != nil {
return nil, err
}
defer f.Close()
img, err := jpeg.Decode(f)
if err != nil {
return nil, err
}
return img, nil
}
func diff(a, b uint32) int64 {
if a > b {
return int64(a - b)
}
return int64(b - a)
}
func main() {
i50, err := loadJpeg("Lenna50.jpg")
if err != nil {
log.Fatal(err)
}
i100, err := loadJpeg("Lenna100.jpg")
if err != nil {
log.Fatal(err)
}
if i50.ColorModel() != i100.ColorModel() {
log.Fatal("different color models")
}
b := i50.Bounds()
if !b.Eq(i100.Bounds()) {
log.Fatal("different image sizes")
}
var sum int64
for y := b.Min.Y; y < b.Max.Y; y++ {
for x := b.Min.X; x < b.Max.X; x++ {
r1, g1, b1, _ := i50.At(x, y).RGBA()
r2, g2, b2, _ := i100.At(x, y).RGBA()
sum += diff(r1, r2)
sum += diff(g1, g2)
sum += diff(b1, b2)
}
}
nPixels := (b.Max.X - b.Min.X) * (b.Max.Y - b.Min.Y)
fmt.Printf("Image difference: %f%%\n",
float64(sum*100)/(float64(nPixels)*0xffff*3))
}
|
Rewrite the snippet below in C so it works the same as the original Ruby code. | require 'raster_graphics'
class RGBColour
def -(a_colour)
(@red - a_colour.red).abs +
(@green - a_colour.green).abs +
(@blue - a_colour.blue).abs
end
end
class Pixmap
def -(a_pixmap)
if @width != a_pixmap.width or @height != a_pixmap.height
raise ArgumentError, "can't compare images with different sizes"
end
sum = 0
each_pixel {|x,y| sum += self[x,y] - a_pixmap[x,y]}
Float(sum) / (@width * @height * 255 * 3)
end
end
lenna50 = Pixmap.open_from_jpeg('Lenna50.jpg')
lenna100 = Pixmap.open_from_jpeg('Lenna100.jpg')
puts "difference: %.5f%%" % (100.0 * (lenna50 - lenna100))
| #include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define RED_C 0
#define GREEN_C 1
#define BLUE_C 2
#define GET_PIXEL(IMG, X, Y) ((IMG)->buf[ (Y) * (IMG)->width + (X) ])
int main(int argc, char **argv)
{
image im1, im2;
double totalDiff = 0.0;
unsigned int x, y;
if ( argc < 3 )
{
fprintf(stderr, "usage:\n%s FILE1 FILE2\n", argv[0]);
exit(1);
}
im1 = read_image(argv[1]);
if ( im1 == NULL ) exit(1);
im2 = read_image(argv[2]);
if ( im2 == NULL ) { free_img(im1); exit(1); }
if ( (im1->width != im2->width) || (im1->height != im2->height) )
{
fprintf(stderr, "width/height of the images must match!\n");
} else {
for(x=0; x < im1->width; x++)
{
for(y=0; y < im1->width; y++)
{
totalDiff += fabs( GET_PIXEL(im1, x, y)[RED_C] - GET_PIXEL(im2, x, y)[RED_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[GREEN_C] - GET_PIXEL(im2, x, y)[GREEN_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[BLUE_C] - GET_PIXEL(im2, x, y)[BLUE_C] ) / 255.0;
}
}
printf("%lf\n", 100.0 * totalDiff / (double)(im1->width * im1->height * 3) );
}
free_img(im1);
free_img(im2);
}
|
Convert this Ruby block to C#, preserving its control flow and logic. | require 'raster_graphics'
class RGBColour
def -(a_colour)
(@red - a_colour.red).abs +
(@green - a_colour.green).abs +
(@blue - a_colour.blue).abs
end
end
class Pixmap
def -(a_pixmap)
if @width != a_pixmap.width or @height != a_pixmap.height
raise ArgumentError, "can't compare images with different sizes"
end
sum = 0
each_pixel {|x,y| sum += self[x,y] - a_pixmap[x,y]}
Float(sum) / (@width * @height * 255 * 3)
end
end
lenna50 = Pixmap.open_from_jpeg('Lenna50.jpg')
lenna100 = Pixmap.open_from_jpeg('Lenna100.jpg')
puts "difference: %.5f%%" % (100.0 * (lenna50 - lenna100))
| using System;
using System.Drawing;
class Program
{
static void Main()
{
Bitmap img1 = new Bitmap("Lenna50.jpg");
Bitmap img2 = new Bitmap("Lenna100.jpg");
if (img1.Size != img2.Size)
{
Console.Error.WriteLine("Images are of different sizes");
return;
}
float diff = 0;
for (int y = 0; y < img1.Height; y++)
{
for (int x = 0; x < img1.Width; x++)
{
Color pixel1 = img1.GetPixel(x, y);
Color pixel2 = img2.GetPixel(x, y);
diff += Math.Abs(pixel1.R - pixel2.R);
diff += Math.Abs(pixel1.G - pixel2.G);
diff += Math.Abs(pixel1.B - pixel2.B);
}
}
Console.WriteLine("diff: {0} %", 100 * (diff / 255) / (img1.Width * img1.Height * 3));
}
}
|
Convert the following code from Ruby to C++, ensuring the logic remains intact. | require 'raster_graphics'
class RGBColour
def -(a_colour)
(@red - a_colour.red).abs +
(@green - a_colour.green).abs +
(@blue - a_colour.blue).abs
end
end
class Pixmap
def -(a_pixmap)
if @width != a_pixmap.width or @height != a_pixmap.height
raise ArgumentError, "can't compare images with different sizes"
end
sum = 0
each_pixel {|x,y| sum += self[x,y] - a_pixmap[x,y]}
Float(sum) / (@width * @height * 255 * 3)
end
end
lenna50 = Pixmap.open_from_jpeg('Lenna50.jpg')
lenna100 = Pixmap.open_from_jpeg('Lenna100.jpg')
puts "difference: %.5f%%" % (100.0 * (lenna50 - lenna100))
| #include <QImage>
#include <cstdlib>
#include <QColor>
#include <iostream>
int main( int argc , char *argv[ ] ) {
if ( argc != 3 ) {
std::cout << "Call this with imagecompare <file of image 1>"
<< " <file of image 2>\n" ;
return 1 ;
}
QImage firstImage ( argv[ 1 ] ) ;
QImage secondImage ( argv[ 2 ] ) ;
double totaldiff = 0.0 ;
int h = firstImage.height( ) ;
int w = firstImage.width( ) ;
int hsecond = secondImage.height( ) ;
int wsecond = secondImage.width( ) ;
if ( w != wsecond || h != hsecond ) {
std::cerr << "Error, pictures must have identical dimensions!\n" ;
return 2 ;
}
for ( int y = 0 ; y < h ; y++ ) {
uint *firstLine = ( uint* )firstImage.scanLine( y ) ;
uint *secondLine = ( uint* )secondImage.scanLine( y ) ;
for ( int x = 0 ; x < w ; x++ ) {
uint pixelFirst = firstLine[ x ] ;
int rFirst = qRed( pixelFirst ) ;
int gFirst = qGreen( pixelFirst ) ;
int bFirst = qBlue( pixelFirst ) ;
uint pixelSecond = secondLine[ x ] ;
int rSecond = qRed( pixelSecond ) ;
int gSecond = qGreen( pixelSecond ) ;
int bSecond = qBlue( pixelSecond ) ;
totaldiff += std::abs( rFirst - rSecond ) / 255.0 ;
totaldiff += std::abs( gFirst - gSecond ) / 255.0 ;
totaldiff += std::abs( bFirst -bSecond ) / 255.0 ;
}
}
std::cout << "The difference of the two pictures is " <<
(totaldiff * 100) / (w * h * 3) << " % !\n" ;
return 0 ;
}
|
Can you help me rewrite this code in Java instead of Ruby, keeping it the same logically? | require 'raster_graphics'
class RGBColour
def -(a_colour)
(@red - a_colour.red).abs +
(@green - a_colour.green).abs +
(@blue - a_colour.blue).abs
end
end
class Pixmap
def -(a_pixmap)
if @width != a_pixmap.width or @height != a_pixmap.height
raise ArgumentError, "can't compare images with different sizes"
end
sum = 0
each_pixel {|x,y| sum += self[x,y] - a_pixmap[x,y]}
Float(sum) / (@width * @height * 255 * 3)
end
end
lenna50 = Pixmap.open_from_jpeg('Lenna50.jpg')
lenna100 = Pixmap.open_from_jpeg('Lenna100.jpg')
puts "difference: %.5f%%" % (100.0 * (lenna50 - lenna100))
| import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public enum ImgDiffPercent {
;
public static void main(String[] args) throws IOException {
BufferedImage img1 = ImageIO.read(new File("Lenna50.jpg"));
BufferedImage img2 = ImageIO.read(new File("Lenna100.jpg"));
double p = getDifferencePercent(img1, img2);
System.out.println("diff percent: " + p);
}
private static double getDifferencePercent(BufferedImage img1, BufferedImage img2) {
int width = img1.getWidth();
int height = img1.getHeight();
int width2 = img2.getWidth();
int height2 = img2.getHeight();
if (width != width2 || height != height2) {
throw new IllegalArgumentException(String.format("Images must have the same dimensions: (%d,%d) vs. (%d,%d)", width, height, width2, height2));
}
long diff = 0;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y));
}
}
long maxDiff = 3L * 255 * width * height;
return 100.0 * diff / maxDiff;
}
private static int pixelDiff(int rgb1, int rgb2) {
int r1 = (rgb1 >> 16) & 0xff;
int g1 = (rgb1 >> 8) & 0xff;
int b1 = rgb1 & 0xff;
int r2 = (rgb2 >> 16) & 0xff;
int g2 = (rgb2 >> 8) & 0xff;
int b2 = rgb2 & 0xff;
return Math.abs(r1 - r2) + Math.abs(g1 - g2) + Math.abs(b1 - b2);
}
}
|
Produce a language-to-language conversion: from Ruby to Python, same semantics. | require 'raster_graphics'
class RGBColour
def -(a_colour)
(@red - a_colour.red).abs +
(@green - a_colour.green).abs +
(@blue - a_colour.blue).abs
end
end
class Pixmap
def -(a_pixmap)
if @width != a_pixmap.width or @height != a_pixmap.height
raise ArgumentError, "can't compare images with different sizes"
end
sum = 0
each_pixel {|x,y| sum += self[x,y] - a_pixmap[x,y]}
Float(sum) / (@width * @height * 255 * 3)
end
end
lenna50 = Pixmap.open_from_jpeg('Lenna50.jpg')
lenna100 = Pixmap.open_from_jpeg('Lenna100.jpg')
puts "difference: %.5f%%" % (100.0 * (lenna50 - lenna100))
| from PIL import Image
i1 = Image.open("image1.jpg")
i2 = Image.open("image2.jpg")
assert i1.mode == i2.mode, "Different kinds of images."
assert i1.size == i2.size, "Different sizes."
pairs = zip(i1.getdata(), i2.getdata())
if len(i1.getbands()) == 1:
dif = sum(abs(p1-p2) for p1,p2 in pairs)
else:
dif = sum(abs(c1-c2) for p1,p2 in pairs for c1,c2 in zip(p1,p2))
ncomponents = i1.size[0] * i1.size[1] * 3
print ("Difference (percentage):", (dif / 255.0 * 100) / ncomponents)
|
Ensure the translated Go code behaves exactly like the original Ruby snippet. | require 'raster_graphics'
class RGBColour
def -(a_colour)
(@red - a_colour.red).abs +
(@green - a_colour.green).abs +
(@blue - a_colour.blue).abs
end
end
class Pixmap
def -(a_pixmap)
if @width != a_pixmap.width or @height != a_pixmap.height
raise ArgumentError, "can't compare images with different sizes"
end
sum = 0
each_pixel {|x,y| sum += self[x,y] - a_pixmap[x,y]}
Float(sum) / (@width * @height * 255 * 3)
end
end
lenna50 = Pixmap.open_from_jpeg('Lenna50.jpg')
lenna100 = Pixmap.open_from_jpeg('Lenna100.jpg')
puts "difference: %.5f%%" % (100.0 * (lenna50 - lenna100))
| package main
import (
"fmt"
"image/jpeg"
"os"
"log"
"image"
)
func loadJpeg(filename string) (image.Image, error) {
f, err := os.Open(filename)
if err != nil {
return nil, err
}
defer f.Close()
img, err := jpeg.Decode(f)
if err != nil {
return nil, err
}
return img, nil
}
func diff(a, b uint32) int64 {
if a > b {
return int64(a - b)
}
return int64(b - a)
}
func main() {
i50, err := loadJpeg("Lenna50.jpg")
if err != nil {
log.Fatal(err)
}
i100, err := loadJpeg("Lenna100.jpg")
if err != nil {
log.Fatal(err)
}
if i50.ColorModel() != i100.ColorModel() {
log.Fatal("different color models")
}
b := i50.Bounds()
if !b.Eq(i100.Bounds()) {
log.Fatal("different image sizes")
}
var sum int64
for y := b.Min.Y; y < b.Max.Y; y++ {
for x := b.Min.X; x < b.Max.X; x++ {
r1, g1, b1, _ := i50.At(x, y).RGBA()
r2, g2, b2, _ := i100.At(x, y).RGBA()
sum += diff(r1, r2)
sum += diff(g1, g2)
sum += diff(b1, b2)
}
}
nPixels := (b.Max.X - b.Min.X) * (b.Max.Y - b.Min.Y)
fmt.Printf("Image difference: %f%%\n",
float64(sum*100)/(float64(nPixels)*0xffff*3))
}
|
Produce a functionally identical C code for the snippet given in Scala. |
import java.awt.image.BufferedImage
import java.io.File
import javax.imageio.ImageIO
import kotlin.math.abs
fun getDifferencePercent(img1: BufferedImage, img2: BufferedImage): Double {
val width = img1.width
val height = img1.height
val width2 = img2.width
val height2 = img2.height
if (width != width2 || height != height2) {
val f = "(%d,%d) vs. (%d,%d)".format(width, height, width2, height2)
throw IllegalArgumentException("Images must have the same dimensions: $f")
}
var diff = 0L
for (y in 0 until height) {
for (x in 0 until width) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y))
}
}
val maxDiff = 3L * 255 * width * height
return 100.0 * diff / maxDiff
}
fun pixelDiff(rgb1: Int, rgb2: Int): Int {
val r1 = (rgb1 shr 16) and 0xff
val g1 = (rgb1 shr 8) and 0xff
val b1 = rgb1 and 0xff
val r2 = (rgb2 shr 16) and 0xff
val g2 = (rgb2 shr 8) and 0xff
val b2 = rgb2 and 0xff
return abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)
}
fun main(args: Array<String>) {
val img1 = ImageIO.read(File("Lenna50.jpg"))
val img2 = ImageIO.read(File("Lenna100.jpg"))
val p = getDifferencePercent(img1, img2)
println("The percentage difference is ${"%.6f".format(p)}%")
}
| #include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define RED_C 0
#define GREEN_C 1
#define BLUE_C 2
#define GET_PIXEL(IMG, X, Y) ((IMG)->buf[ (Y) * (IMG)->width + (X) ])
int main(int argc, char **argv)
{
image im1, im2;
double totalDiff = 0.0;
unsigned int x, y;
if ( argc < 3 )
{
fprintf(stderr, "usage:\n%s FILE1 FILE2\n", argv[0]);
exit(1);
}
im1 = read_image(argv[1]);
if ( im1 == NULL ) exit(1);
im2 = read_image(argv[2]);
if ( im2 == NULL ) { free_img(im1); exit(1); }
if ( (im1->width != im2->width) || (im1->height != im2->height) )
{
fprintf(stderr, "width/height of the images must match!\n");
} else {
for(x=0; x < im1->width; x++)
{
for(y=0; y < im1->width; y++)
{
totalDiff += fabs( GET_PIXEL(im1, x, y)[RED_C] - GET_PIXEL(im2, x, y)[RED_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[GREEN_C] - GET_PIXEL(im2, x, y)[GREEN_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[BLUE_C] - GET_PIXEL(im2, x, y)[BLUE_C] ) / 255.0;
}
}
printf("%lf\n", 100.0 * totalDiff / (double)(im1->width * im1->height * 3) );
}
free_img(im1);
free_img(im2);
}
|
Rewrite this program in C# while keeping its functionality equivalent to the Scala version. |
import java.awt.image.BufferedImage
import java.io.File
import javax.imageio.ImageIO
import kotlin.math.abs
fun getDifferencePercent(img1: BufferedImage, img2: BufferedImage): Double {
val width = img1.width
val height = img1.height
val width2 = img2.width
val height2 = img2.height
if (width != width2 || height != height2) {
val f = "(%d,%d) vs. (%d,%d)".format(width, height, width2, height2)
throw IllegalArgumentException("Images must have the same dimensions: $f")
}
var diff = 0L
for (y in 0 until height) {
for (x in 0 until width) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y))
}
}
val maxDiff = 3L * 255 * width * height
return 100.0 * diff / maxDiff
}
fun pixelDiff(rgb1: Int, rgb2: Int): Int {
val r1 = (rgb1 shr 16) and 0xff
val g1 = (rgb1 shr 8) and 0xff
val b1 = rgb1 and 0xff
val r2 = (rgb2 shr 16) and 0xff
val g2 = (rgb2 shr 8) and 0xff
val b2 = rgb2 and 0xff
return abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)
}
fun main(args: Array<String>) {
val img1 = ImageIO.read(File("Lenna50.jpg"))
val img2 = ImageIO.read(File("Lenna100.jpg"))
val p = getDifferencePercent(img1, img2)
println("The percentage difference is ${"%.6f".format(p)}%")
}
| using System;
using System.Drawing;
class Program
{
static void Main()
{
Bitmap img1 = new Bitmap("Lenna50.jpg");
Bitmap img2 = new Bitmap("Lenna100.jpg");
if (img1.Size != img2.Size)
{
Console.Error.WriteLine("Images are of different sizes");
return;
}
float diff = 0;
for (int y = 0; y < img1.Height; y++)
{
for (int x = 0; x < img1.Width; x++)
{
Color pixel1 = img1.GetPixel(x, y);
Color pixel2 = img2.GetPixel(x, y);
diff += Math.Abs(pixel1.R - pixel2.R);
diff += Math.Abs(pixel1.G - pixel2.G);
diff += Math.Abs(pixel1.B - pixel2.B);
}
}
Console.WriteLine("diff: {0} %", 100 * (diff / 255) / (img1.Width * img1.Height * 3));
}
}
|
Generate a C++ translation of this Scala snippet without changing its computational steps. |
import java.awt.image.BufferedImage
import java.io.File
import javax.imageio.ImageIO
import kotlin.math.abs
fun getDifferencePercent(img1: BufferedImage, img2: BufferedImage): Double {
val width = img1.width
val height = img1.height
val width2 = img2.width
val height2 = img2.height
if (width != width2 || height != height2) {
val f = "(%d,%d) vs. (%d,%d)".format(width, height, width2, height2)
throw IllegalArgumentException("Images must have the same dimensions: $f")
}
var diff = 0L
for (y in 0 until height) {
for (x in 0 until width) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y))
}
}
val maxDiff = 3L * 255 * width * height
return 100.0 * diff / maxDiff
}
fun pixelDiff(rgb1: Int, rgb2: Int): Int {
val r1 = (rgb1 shr 16) and 0xff
val g1 = (rgb1 shr 8) and 0xff
val b1 = rgb1 and 0xff
val r2 = (rgb2 shr 16) and 0xff
val g2 = (rgb2 shr 8) and 0xff
val b2 = rgb2 and 0xff
return abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)
}
fun main(args: Array<String>) {
val img1 = ImageIO.read(File("Lenna50.jpg"))
val img2 = ImageIO.read(File("Lenna100.jpg"))
val p = getDifferencePercent(img1, img2)
println("The percentage difference is ${"%.6f".format(p)}%")
}
| #include <QImage>
#include <cstdlib>
#include <QColor>
#include <iostream>
int main( int argc , char *argv[ ] ) {
if ( argc != 3 ) {
std::cout << "Call this with imagecompare <file of image 1>"
<< " <file of image 2>\n" ;
return 1 ;
}
QImage firstImage ( argv[ 1 ] ) ;
QImage secondImage ( argv[ 2 ] ) ;
double totaldiff = 0.0 ;
int h = firstImage.height( ) ;
int w = firstImage.width( ) ;
int hsecond = secondImage.height( ) ;
int wsecond = secondImage.width( ) ;
if ( w != wsecond || h != hsecond ) {
std::cerr << "Error, pictures must have identical dimensions!\n" ;
return 2 ;
}
for ( int y = 0 ; y < h ; y++ ) {
uint *firstLine = ( uint* )firstImage.scanLine( y ) ;
uint *secondLine = ( uint* )secondImage.scanLine( y ) ;
for ( int x = 0 ; x < w ; x++ ) {
uint pixelFirst = firstLine[ x ] ;
int rFirst = qRed( pixelFirst ) ;
int gFirst = qGreen( pixelFirst ) ;
int bFirst = qBlue( pixelFirst ) ;
uint pixelSecond = secondLine[ x ] ;
int rSecond = qRed( pixelSecond ) ;
int gSecond = qGreen( pixelSecond ) ;
int bSecond = qBlue( pixelSecond ) ;
totaldiff += std::abs( rFirst - rSecond ) / 255.0 ;
totaldiff += std::abs( gFirst - gSecond ) / 255.0 ;
totaldiff += std::abs( bFirst -bSecond ) / 255.0 ;
}
}
std::cout << "The difference of the two pictures is " <<
(totaldiff * 100) / (w * h * 3) << " % !\n" ;
return 0 ;
}
|
Can you help me rewrite this code in Java instead of Scala, keeping it the same logically? |
import java.awt.image.BufferedImage
import java.io.File
import javax.imageio.ImageIO
import kotlin.math.abs
fun getDifferencePercent(img1: BufferedImage, img2: BufferedImage): Double {
val width = img1.width
val height = img1.height
val width2 = img2.width
val height2 = img2.height
if (width != width2 || height != height2) {
val f = "(%d,%d) vs. (%d,%d)".format(width, height, width2, height2)
throw IllegalArgumentException("Images must have the same dimensions: $f")
}
var diff = 0L
for (y in 0 until height) {
for (x in 0 until width) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y))
}
}
val maxDiff = 3L * 255 * width * height
return 100.0 * diff / maxDiff
}
fun pixelDiff(rgb1: Int, rgb2: Int): Int {
val r1 = (rgb1 shr 16) and 0xff
val g1 = (rgb1 shr 8) and 0xff
val b1 = rgb1 and 0xff
val r2 = (rgb2 shr 16) and 0xff
val g2 = (rgb2 shr 8) and 0xff
val b2 = rgb2 and 0xff
return abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)
}
fun main(args: Array<String>) {
val img1 = ImageIO.read(File("Lenna50.jpg"))
val img2 = ImageIO.read(File("Lenna100.jpg"))
val p = getDifferencePercent(img1, img2)
println("The percentage difference is ${"%.6f".format(p)}%")
}
| import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public enum ImgDiffPercent {
;
public static void main(String[] args) throws IOException {
BufferedImage img1 = ImageIO.read(new File("Lenna50.jpg"));
BufferedImage img2 = ImageIO.read(new File("Lenna100.jpg"));
double p = getDifferencePercent(img1, img2);
System.out.println("diff percent: " + p);
}
private static double getDifferencePercent(BufferedImage img1, BufferedImage img2) {
int width = img1.getWidth();
int height = img1.getHeight();
int width2 = img2.getWidth();
int height2 = img2.getHeight();
if (width != width2 || height != height2) {
throw new IllegalArgumentException(String.format("Images must have the same dimensions: (%d,%d) vs. (%d,%d)", width, height, width2, height2));
}
long diff = 0;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y));
}
}
long maxDiff = 3L * 255 * width * height;
return 100.0 * diff / maxDiff;
}
private static int pixelDiff(int rgb1, int rgb2) {
int r1 = (rgb1 >> 16) & 0xff;
int g1 = (rgb1 >> 8) & 0xff;
int b1 = rgb1 & 0xff;
int r2 = (rgb2 >> 16) & 0xff;
int g2 = (rgb2 >> 8) & 0xff;
int b2 = rgb2 & 0xff;
return Math.abs(r1 - r2) + Math.abs(g1 - g2) + Math.abs(b1 - b2);
}
}
|
Write the same algorithm in Python as shown in this Scala implementation. |
import java.awt.image.BufferedImage
import java.io.File
import javax.imageio.ImageIO
import kotlin.math.abs
fun getDifferencePercent(img1: BufferedImage, img2: BufferedImage): Double {
val width = img1.width
val height = img1.height
val width2 = img2.width
val height2 = img2.height
if (width != width2 || height != height2) {
val f = "(%d,%d) vs. (%d,%d)".format(width, height, width2, height2)
throw IllegalArgumentException("Images must have the same dimensions: $f")
}
var diff = 0L
for (y in 0 until height) {
for (x in 0 until width) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y))
}
}
val maxDiff = 3L * 255 * width * height
return 100.0 * diff / maxDiff
}
fun pixelDiff(rgb1: Int, rgb2: Int): Int {
val r1 = (rgb1 shr 16) and 0xff
val g1 = (rgb1 shr 8) and 0xff
val b1 = rgb1 and 0xff
val r2 = (rgb2 shr 16) and 0xff
val g2 = (rgb2 shr 8) and 0xff
val b2 = rgb2 and 0xff
return abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)
}
fun main(args: Array<String>) {
val img1 = ImageIO.read(File("Lenna50.jpg"))
val img2 = ImageIO.read(File("Lenna100.jpg"))
val p = getDifferencePercent(img1, img2)
println("The percentage difference is ${"%.6f".format(p)}%")
}
| from PIL import Image
i1 = Image.open("image1.jpg")
i2 = Image.open("image2.jpg")
assert i1.mode == i2.mode, "Different kinds of images."
assert i1.size == i2.size, "Different sizes."
pairs = zip(i1.getdata(), i2.getdata())
if len(i1.getbands()) == 1:
dif = sum(abs(p1-p2) for p1,p2 in pairs)
else:
dif = sum(abs(c1-c2) for p1,p2 in pairs for c1,c2 in zip(p1,p2))
ncomponents = i1.size[0] * i1.size[1] * 3
print ("Difference (percentage):", (dif / 255.0 * 100) / ncomponents)
|
Change the programming language of this snippet from Scala to Go without modifying what it does. |
import java.awt.image.BufferedImage
import java.io.File
import javax.imageio.ImageIO
import kotlin.math.abs
fun getDifferencePercent(img1: BufferedImage, img2: BufferedImage): Double {
val width = img1.width
val height = img1.height
val width2 = img2.width
val height2 = img2.height
if (width != width2 || height != height2) {
val f = "(%d,%d) vs. (%d,%d)".format(width, height, width2, height2)
throw IllegalArgumentException("Images must have the same dimensions: $f")
}
var diff = 0L
for (y in 0 until height) {
for (x in 0 until width) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y))
}
}
val maxDiff = 3L * 255 * width * height
return 100.0 * diff / maxDiff
}
fun pixelDiff(rgb1: Int, rgb2: Int): Int {
val r1 = (rgb1 shr 16) and 0xff
val g1 = (rgb1 shr 8) and 0xff
val b1 = rgb1 and 0xff
val r2 = (rgb2 shr 16) and 0xff
val g2 = (rgb2 shr 8) and 0xff
val b2 = rgb2 and 0xff
return abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)
}
fun main(args: Array<String>) {
val img1 = ImageIO.read(File("Lenna50.jpg"))
val img2 = ImageIO.read(File("Lenna100.jpg"))
val p = getDifferencePercent(img1, img2)
println("The percentage difference is ${"%.6f".format(p)}%")
}
| package main
import (
"fmt"
"image/jpeg"
"os"
"log"
"image"
)
func loadJpeg(filename string) (image.Image, error) {
f, err := os.Open(filename)
if err != nil {
return nil, err
}
defer f.Close()
img, err := jpeg.Decode(f)
if err != nil {
return nil, err
}
return img, nil
}
func diff(a, b uint32) int64 {
if a > b {
return int64(a - b)
}
return int64(b - a)
}
func main() {
i50, err := loadJpeg("Lenna50.jpg")
if err != nil {
log.Fatal(err)
}
i100, err := loadJpeg("Lenna100.jpg")
if err != nil {
log.Fatal(err)
}
if i50.ColorModel() != i100.ColorModel() {
log.Fatal("different color models")
}
b := i50.Bounds()
if !b.Eq(i100.Bounds()) {
log.Fatal("different image sizes")
}
var sum int64
for y := b.Min.Y; y < b.Max.Y; y++ {
for x := b.Min.X; x < b.Max.X; x++ {
r1, g1, b1, _ := i50.At(x, y).RGBA()
r2, g2, b2, _ := i100.At(x, y).RGBA()
sum += diff(r1, r2)
sum += diff(g1, g2)
sum += diff(b1, b2)
}
}
nPixels := (b.Max.X - b.Min.X) * (b.Max.Y - b.Min.Y)
fmt.Printf("Image difference: %f%%\n",
float64(sum*100)/(float64(nPixels)*0xffff*3))
}
|
Please provide an equivalent version of this Swift code in C. | func pixelValues(fromCGImage imageRef: CGImage?) -> [UInt8]?
{
var width = 0
var height = 0
var pixelValues: [UInt8]?
if let imageRef = imageRef {
width = imageRef.width
height = imageRef.height
let bitsPerComponent = imageRef.bitsPerComponent
let bytesPerRow = imageRef.bytesPerRow
let totalBytes = height * bytesPerRow
let bitmapInfo = imageRef.bitmapInfo
let colorSpace = CGColorSpaceCreateDeviceRGB()
var intensities = [UInt8](repeating: 0, count: totalBytes)
let contextRef = CGContext(data: &intensities,
width: width,
height: height,
bitsPerComponent: bitsPerComponent,
bytesPerRow: bytesPerRow,
space: colorSpace,
bitmapInfo: bitmapInfo.rawValue)
contextRef?.draw(imageRef, in: CGRect(x: 0.0, y: 0.0, width: CGFloat(width), height: CGFloat(height)))
pixelValues = intensities
}
return pixelValues
}
func compareImages(image1: UIImage, image2: UIImage) -> Double? {
guard let data1 = pixelValues(fromCGImage: image1.cgImage),
let data2 = pixelValues(fromCGImage: image2.cgImage),
data1.count == data2.count else {
return nil
}
let width = Double(image1.size.width)
let height = Double(image1.size.height)
return zip(data1, data2)
.enumerated()
.reduce(0.0) {
$1.offset % 4 == 3 ? $0 : $0 + abs(Double($1.element.0) - Double($1.element.1))
}
* 100 / (width * height * 3.0) / 255.0
}
let image1 = UIImage(named: "Lenna50")
let image2 = UIImage(named: "Lenna100")
compareImages(image1: image1, image2: image2)
| #include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define RED_C 0
#define GREEN_C 1
#define BLUE_C 2
#define GET_PIXEL(IMG, X, Y) ((IMG)->buf[ (Y) * (IMG)->width + (X) ])
int main(int argc, char **argv)
{
image im1, im2;
double totalDiff = 0.0;
unsigned int x, y;
if ( argc < 3 )
{
fprintf(stderr, "usage:\n%s FILE1 FILE2\n", argv[0]);
exit(1);
}
im1 = read_image(argv[1]);
if ( im1 == NULL ) exit(1);
im2 = read_image(argv[2]);
if ( im2 == NULL ) { free_img(im1); exit(1); }
if ( (im1->width != im2->width) || (im1->height != im2->height) )
{
fprintf(stderr, "width/height of the images must match!\n");
} else {
for(x=0; x < im1->width; x++)
{
for(y=0; y < im1->width; y++)
{
totalDiff += fabs( GET_PIXEL(im1, x, y)[RED_C] - GET_PIXEL(im2, x, y)[RED_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[GREEN_C] - GET_PIXEL(im2, x, y)[GREEN_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[BLUE_C] - GET_PIXEL(im2, x, y)[BLUE_C] ) / 255.0;
}
}
printf("%lf\n", 100.0 * totalDiff / (double)(im1->width * im1->height * 3) );
}
free_img(im1);
free_img(im2);
}
|
Maintain the same structure and functionality when rewriting this code in C#. | func pixelValues(fromCGImage imageRef: CGImage?) -> [UInt8]?
{
var width = 0
var height = 0
var pixelValues: [UInt8]?
if let imageRef = imageRef {
width = imageRef.width
height = imageRef.height
let bitsPerComponent = imageRef.bitsPerComponent
let bytesPerRow = imageRef.bytesPerRow
let totalBytes = height * bytesPerRow
let bitmapInfo = imageRef.bitmapInfo
let colorSpace = CGColorSpaceCreateDeviceRGB()
var intensities = [UInt8](repeating: 0, count: totalBytes)
let contextRef = CGContext(data: &intensities,
width: width,
height: height,
bitsPerComponent: bitsPerComponent,
bytesPerRow: bytesPerRow,
space: colorSpace,
bitmapInfo: bitmapInfo.rawValue)
contextRef?.draw(imageRef, in: CGRect(x: 0.0, y: 0.0, width: CGFloat(width), height: CGFloat(height)))
pixelValues = intensities
}
return pixelValues
}
func compareImages(image1: UIImage, image2: UIImage) -> Double? {
guard let data1 = pixelValues(fromCGImage: image1.cgImage),
let data2 = pixelValues(fromCGImage: image2.cgImage),
data1.count == data2.count else {
return nil
}
let width = Double(image1.size.width)
let height = Double(image1.size.height)
return zip(data1, data2)
.enumerated()
.reduce(0.0) {
$1.offset % 4 == 3 ? $0 : $0 + abs(Double($1.element.0) - Double($1.element.1))
}
* 100 / (width * height * 3.0) / 255.0
}
let image1 = UIImage(named: "Lenna50")
let image2 = UIImage(named: "Lenna100")
compareImages(image1: image1, image2: image2)
| using System;
using System.Drawing;
class Program
{
static void Main()
{
Bitmap img1 = new Bitmap("Lenna50.jpg");
Bitmap img2 = new Bitmap("Lenna100.jpg");
if (img1.Size != img2.Size)
{
Console.Error.WriteLine("Images are of different sizes");
return;
}
float diff = 0;
for (int y = 0; y < img1.Height; y++)
{
for (int x = 0; x < img1.Width; x++)
{
Color pixel1 = img1.GetPixel(x, y);
Color pixel2 = img2.GetPixel(x, y);
diff += Math.Abs(pixel1.R - pixel2.R);
diff += Math.Abs(pixel1.G - pixel2.G);
diff += Math.Abs(pixel1.B - pixel2.B);
}
}
Console.WriteLine("diff: {0} %", 100 * (diff / 255) / (img1.Width * img1.Height * 3));
}
}
|
Translate this program into C++ but keep the logic exactly as in Swift. | func pixelValues(fromCGImage imageRef: CGImage?) -> [UInt8]?
{
var width = 0
var height = 0
var pixelValues: [UInt8]?
if let imageRef = imageRef {
width = imageRef.width
height = imageRef.height
let bitsPerComponent = imageRef.bitsPerComponent
let bytesPerRow = imageRef.bytesPerRow
let totalBytes = height * bytesPerRow
let bitmapInfo = imageRef.bitmapInfo
let colorSpace = CGColorSpaceCreateDeviceRGB()
var intensities = [UInt8](repeating: 0, count: totalBytes)
let contextRef = CGContext(data: &intensities,
width: width,
height: height,
bitsPerComponent: bitsPerComponent,
bytesPerRow: bytesPerRow,
space: colorSpace,
bitmapInfo: bitmapInfo.rawValue)
contextRef?.draw(imageRef, in: CGRect(x: 0.0, y: 0.0, width: CGFloat(width), height: CGFloat(height)))
pixelValues = intensities
}
return pixelValues
}
func compareImages(image1: UIImage, image2: UIImage) -> Double? {
guard let data1 = pixelValues(fromCGImage: image1.cgImage),
let data2 = pixelValues(fromCGImage: image2.cgImage),
data1.count == data2.count else {
return nil
}
let width = Double(image1.size.width)
let height = Double(image1.size.height)
return zip(data1, data2)
.enumerated()
.reduce(0.0) {
$1.offset % 4 == 3 ? $0 : $0 + abs(Double($1.element.0) - Double($1.element.1))
}
* 100 / (width * height * 3.0) / 255.0
}
let image1 = UIImage(named: "Lenna50")
let image2 = UIImage(named: "Lenna100")
compareImages(image1: image1, image2: image2)
| #include <QImage>
#include <cstdlib>
#include <QColor>
#include <iostream>
int main( int argc , char *argv[ ] ) {
if ( argc != 3 ) {
std::cout << "Call this with imagecompare <file of image 1>"
<< " <file of image 2>\n" ;
return 1 ;
}
QImage firstImage ( argv[ 1 ] ) ;
QImage secondImage ( argv[ 2 ] ) ;
double totaldiff = 0.0 ;
int h = firstImage.height( ) ;
int w = firstImage.width( ) ;
int hsecond = secondImage.height( ) ;
int wsecond = secondImage.width( ) ;
if ( w != wsecond || h != hsecond ) {
std::cerr << "Error, pictures must have identical dimensions!\n" ;
return 2 ;
}
for ( int y = 0 ; y < h ; y++ ) {
uint *firstLine = ( uint* )firstImage.scanLine( y ) ;
uint *secondLine = ( uint* )secondImage.scanLine( y ) ;
for ( int x = 0 ; x < w ; x++ ) {
uint pixelFirst = firstLine[ x ] ;
int rFirst = qRed( pixelFirst ) ;
int gFirst = qGreen( pixelFirst ) ;
int bFirst = qBlue( pixelFirst ) ;
uint pixelSecond = secondLine[ x ] ;
int rSecond = qRed( pixelSecond ) ;
int gSecond = qGreen( pixelSecond ) ;
int bSecond = qBlue( pixelSecond ) ;
totaldiff += std::abs( rFirst - rSecond ) / 255.0 ;
totaldiff += std::abs( gFirst - gSecond ) / 255.0 ;
totaldiff += std::abs( bFirst -bSecond ) / 255.0 ;
}
}
std::cout << "The difference of the two pictures is " <<
(totaldiff * 100) / (w * h * 3) << " % !\n" ;
return 0 ;
}
|
Change the programming language of this snippet from Swift to Java without modifying what it does. | func pixelValues(fromCGImage imageRef: CGImage?) -> [UInt8]?
{
var width = 0
var height = 0
var pixelValues: [UInt8]?
if let imageRef = imageRef {
width = imageRef.width
height = imageRef.height
let bitsPerComponent = imageRef.bitsPerComponent
let bytesPerRow = imageRef.bytesPerRow
let totalBytes = height * bytesPerRow
let bitmapInfo = imageRef.bitmapInfo
let colorSpace = CGColorSpaceCreateDeviceRGB()
var intensities = [UInt8](repeating: 0, count: totalBytes)
let contextRef = CGContext(data: &intensities,
width: width,
height: height,
bitsPerComponent: bitsPerComponent,
bytesPerRow: bytesPerRow,
space: colorSpace,
bitmapInfo: bitmapInfo.rawValue)
contextRef?.draw(imageRef, in: CGRect(x: 0.0, y: 0.0, width: CGFloat(width), height: CGFloat(height)))
pixelValues = intensities
}
return pixelValues
}
func compareImages(image1: UIImage, image2: UIImage) -> Double? {
guard let data1 = pixelValues(fromCGImage: image1.cgImage),
let data2 = pixelValues(fromCGImage: image2.cgImage),
data1.count == data2.count else {
return nil
}
let width = Double(image1.size.width)
let height = Double(image1.size.height)
return zip(data1, data2)
.enumerated()
.reduce(0.0) {
$1.offset % 4 == 3 ? $0 : $0 + abs(Double($1.element.0) - Double($1.element.1))
}
* 100 / (width * height * 3.0) / 255.0
}
let image1 = UIImage(named: "Lenna50")
let image2 = UIImage(named: "Lenna100")
compareImages(image1: image1, image2: image2)
| import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public enum ImgDiffPercent {
;
public static void main(String[] args) throws IOException {
BufferedImage img1 = ImageIO.read(new File("Lenna50.jpg"));
BufferedImage img2 = ImageIO.read(new File("Lenna100.jpg"));
double p = getDifferencePercent(img1, img2);
System.out.println("diff percent: " + p);
}
private static double getDifferencePercent(BufferedImage img1, BufferedImage img2) {
int width = img1.getWidth();
int height = img1.getHeight();
int width2 = img2.getWidth();
int height2 = img2.getHeight();
if (width != width2 || height != height2) {
throw new IllegalArgumentException(String.format("Images must have the same dimensions: (%d,%d) vs. (%d,%d)", width, height, width2, height2));
}
long diff = 0;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y));
}
}
long maxDiff = 3L * 255 * width * height;
return 100.0 * diff / maxDiff;
}
private static int pixelDiff(int rgb1, int rgb2) {
int r1 = (rgb1 >> 16) & 0xff;
int g1 = (rgb1 >> 8) & 0xff;
int b1 = rgb1 & 0xff;
int r2 = (rgb2 >> 16) & 0xff;
int g2 = (rgb2 >> 8) & 0xff;
int b2 = rgb2 & 0xff;
return Math.abs(r1 - r2) + Math.abs(g1 - g2) + Math.abs(b1 - b2);
}
}
|
Preserve the algorithm and functionality while converting the code from Swift to Python. | func pixelValues(fromCGImage imageRef: CGImage?) -> [UInt8]?
{
var width = 0
var height = 0
var pixelValues: [UInt8]?
if let imageRef = imageRef {
width = imageRef.width
height = imageRef.height
let bitsPerComponent = imageRef.bitsPerComponent
let bytesPerRow = imageRef.bytesPerRow
let totalBytes = height * bytesPerRow
let bitmapInfo = imageRef.bitmapInfo
let colorSpace = CGColorSpaceCreateDeviceRGB()
var intensities = [UInt8](repeating: 0, count: totalBytes)
let contextRef = CGContext(data: &intensities,
width: width,
height: height,
bitsPerComponent: bitsPerComponent,
bytesPerRow: bytesPerRow,
space: colorSpace,
bitmapInfo: bitmapInfo.rawValue)
contextRef?.draw(imageRef, in: CGRect(x: 0.0, y: 0.0, width: CGFloat(width), height: CGFloat(height)))
pixelValues = intensities
}
return pixelValues
}
func compareImages(image1: UIImage, image2: UIImage) -> Double? {
guard let data1 = pixelValues(fromCGImage: image1.cgImage),
let data2 = pixelValues(fromCGImage: image2.cgImage),
data1.count == data2.count else {
return nil
}
let width = Double(image1.size.width)
let height = Double(image1.size.height)
return zip(data1, data2)
.enumerated()
.reduce(0.0) {
$1.offset % 4 == 3 ? $0 : $0 + abs(Double($1.element.0) - Double($1.element.1))
}
* 100 / (width * height * 3.0) / 255.0
}
let image1 = UIImage(named: "Lenna50")
let image2 = UIImage(named: "Lenna100")
compareImages(image1: image1, image2: image2)
| from PIL import Image
i1 = Image.open("image1.jpg")
i2 = Image.open("image2.jpg")
assert i1.mode == i2.mode, "Different kinds of images."
assert i1.size == i2.size, "Different sizes."
pairs = zip(i1.getdata(), i2.getdata())
if len(i1.getbands()) == 1:
dif = sum(abs(p1-p2) for p1,p2 in pairs)
else:
dif = sum(abs(c1-c2) for p1,p2 in pairs for c1,c2 in zip(p1,p2))
ncomponents = i1.size[0] * i1.size[1] * 3
print ("Difference (percentage):", (dif / 255.0 * 100) / ncomponents)
|
Produce a functionally identical Go code for the snippet given in Swift. | func pixelValues(fromCGImage imageRef: CGImage?) -> [UInt8]?
{
var width = 0
var height = 0
var pixelValues: [UInt8]?
if let imageRef = imageRef {
width = imageRef.width
height = imageRef.height
let bitsPerComponent = imageRef.bitsPerComponent
let bytesPerRow = imageRef.bytesPerRow
let totalBytes = height * bytesPerRow
let bitmapInfo = imageRef.bitmapInfo
let colorSpace = CGColorSpaceCreateDeviceRGB()
var intensities = [UInt8](repeating: 0, count: totalBytes)
let contextRef = CGContext(data: &intensities,
width: width,
height: height,
bitsPerComponent: bitsPerComponent,
bytesPerRow: bytesPerRow,
space: colorSpace,
bitmapInfo: bitmapInfo.rawValue)
contextRef?.draw(imageRef, in: CGRect(x: 0.0, y: 0.0, width: CGFloat(width), height: CGFloat(height)))
pixelValues = intensities
}
return pixelValues
}
func compareImages(image1: UIImage, image2: UIImage) -> Double? {
guard let data1 = pixelValues(fromCGImage: image1.cgImage),
let data2 = pixelValues(fromCGImage: image2.cgImage),
data1.count == data2.count else {
return nil
}
let width = Double(image1.size.width)
let height = Double(image1.size.height)
return zip(data1, data2)
.enumerated()
.reduce(0.0) {
$1.offset % 4 == 3 ? $0 : $0 + abs(Double($1.element.0) - Double($1.element.1))
}
* 100 / (width * height * 3.0) / 255.0
}
let image1 = UIImage(named: "Lenna50")
let image2 = UIImage(named: "Lenna100")
compareImages(image1: image1, image2: image2)
| package main
import (
"fmt"
"image/jpeg"
"os"
"log"
"image"
)
func loadJpeg(filename string) (image.Image, error) {
f, err := os.Open(filename)
if err != nil {
return nil, err
}
defer f.Close()
img, err := jpeg.Decode(f)
if err != nil {
return nil, err
}
return img, nil
}
func diff(a, b uint32) int64 {
if a > b {
return int64(a - b)
}
return int64(b - a)
}
func main() {
i50, err := loadJpeg("Lenna50.jpg")
if err != nil {
log.Fatal(err)
}
i100, err := loadJpeg("Lenna100.jpg")
if err != nil {
log.Fatal(err)
}
if i50.ColorModel() != i100.ColorModel() {
log.Fatal("different color models")
}
b := i50.Bounds()
if !b.Eq(i100.Bounds()) {
log.Fatal("different image sizes")
}
var sum int64
for y := b.Min.Y; y < b.Max.Y; y++ {
for x := b.Min.X; x < b.Max.X; x++ {
r1, g1, b1, _ := i50.At(x, y).RGBA()
r2, g2, b2, _ := i100.At(x, y).RGBA()
sum += diff(r1, r2)
sum += diff(g1, g2)
sum += diff(b1, b2)
}
}
nPixels := (b.Max.X - b.Min.X) * (b.Max.Y - b.Min.Y)
fmt.Printf("Image difference: %f%%\n",
float64(sum*100)/(float64(nPixels)*0xffff*3))
}
|
Change the programming language of this snippet from Tcl to C without modifying what it does. | package require Tk
proc imageDifference {img1 img2} {
if {
[image width $img1] != [image width $img2] ||
[image height $img1] != [image height $img2]
} then {
return -code error "images are different size"
}
set diff 0
for {set x 0} {$x<[image width $img1]} {incr x} {
for {set y 0} {$y<[image height $img1]} {incr y} {
lassign [$img1 get $x $y] r1 g1 b1
lassign [$img2 get $x $y] r2 g2 b2
incr diff [expr {abs($r1-$r2)+abs($g1-$g2)+abs($b1-$b2)}]
}
}
expr {$diff/double($x*$y*3*255)}
}
package require Img
image create photo lenna50 -file lenna50.jpg
image create photo lenna100 -file lenna100.jpg
puts "difference is [expr {[imageDifference lenna50 lenna100]*100.}]%"
exit ;
| #include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define RED_C 0
#define GREEN_C 1
#define BLUE_C 2
#define GET_PIXEL(IMG, X, Y) ((IMG)->buf[ (Y) * (IMG)->width + (X) ])
int main(int argc, char **argv)
{
image im1, im2;
double totalDiff = 0.0;
unsigned int x, y;
if ( argc < 3 )
{
fprintf(stderr, "usage:\n%s FILE1 FILE2\n", argv[0]);
exit(1);
}
im1 = read_image(argv[1]);
if ( im1 == NULL ) exit(1);
im2 = read_image(argv[2]);
if ( im2 == NULL ) { free_img(im1); exit(1); }
if ( (im1->width != im2->width) || (im1->height != im2->height) )
{
fprintf(stderr, "width/height of the images must match!\n");
} else {
for(x=0; x < im1->width; x++)
{
for(y=0; y < im1->width; y++)
{
totalDiff += fabs( GET_PIXEL(im1, x, y)[RED_C] - GET_PIXEL(im2, x, y)[RED_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[GREEN_C] - GET_PIXEL(im2, x, y)[GREEN_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[BLUE_C] - GET_PIXEL(im2, x, y)[BLUE_C] ) / 255.0;
}
}
printf("%lf\n", 100.0 * totalDiff / (double)(im1->width * im1->height * 3) );
}
free_img(im1);
free_img(im2);
}
|
Write a version of this Tcl function in C# with identical behavior. | package require Tk
proc imageDifference {img1 img2} {
if {
[image width $img1] != [image width $img2] ||
[image height $img1] != [image height $img2]
} then {
return -code error "images are different size"
}
set diff 0
for {set x 0} {$x<[image width $img1]} {incr x} {
for {set y 0} {$y<[image height $img1]} {incr y} {
lassign [$img1 get $x $y] r1 g1 b1
lassign [$img2 get $x $y] r2 g2 b2
incr diff [expr {abs($r1-$r2)+abs($g1-$g2)+abs($b1-$b2)}]
}
}
expr {$diff/double($x*$y*3*255)}
}
package require Img
image create photo lenna50 -file lenna50.jpg
image create photo lenna100 -file lenna100.jpg
puts "difference is [expr {[imageDifference lenna50 lenna100]*100.}]%"
exit ;
| using System;
using System.Drawing;
class Program
{
static void Main()
{
Bitmap img1 = new Bitmap("Lenna50.jpg");
Bitmap img2 = new Bitmap("Lenna100.jpg");
if (img1.Size != img2.Size)
{
Console.Error.WriteLine("Images are of different sizes");
return;
}
float diff = 0;
for (int y = 0; y < img1.Height; y++)
{
for (int x = 0; x < img1.Width; x++)
{
Color pixel1 = img1.GetPixel(x, y);
Color pixel2 = img2.GetPixel(x, y);
diff += Math.Abs(pixel1.R - pixel2.R);
diff += Math.Abs(pixel1.G - pixel2.G);
diff += Math.Abs(pixel1.B - pixel2.B);
}
}
Console.WriteLine("diff: {0} %", 100 * (diff / 255) / (img1.Width * img1.Height * 3));
}
}
|
Change the following Tcl code into C++ without altering its purpose. | package require Tk
proc imageDifference {img1 img2} {
if {
[image width $img1] != [image width $img2] ||
[image height $img1] != [image height $img2]
} then {
return -code error "images are different size"
}
set diff 0
for {set x 0} {$x<[image width $img1]} {incr x} {
for {set y 0} {$y<[image height $img1]} {incr y} {
lassign [$img1 get $x $y] r1 g1 b1
lassign [$img2 get $x $y] r2 g2 b2
incr diff [expr {abs($r1-$r2)+abs($g1-$g2)+abs($b1-$b2)}]
}
}
expr {$diff/double($x*$y*3*255)}
}
package require Img
image create photo lenna50 -file lenna50.jpg
image create photo lenna100 -file lenna100.jpg
puts "difference is [expr {[imageDifference lenna50 lenna100]*100.}]%"
exit ;
| #include <QImage>
#include <cstdlib>
#include <QColor>
#include <iostream>
int main( int argc , char *argv[ ] ) {
if ( argc != 3 ) {
std::cout << "Call this with imagecompare <file of image 1>"
<< " <file of image 2>\n" ;
return 1 ;
}
QImage firstImage ( argv[ 1 ] ) ;
QImage secondImage ( argv[ 2 ] ) ;
double totaldiff = 0.0 ;
int h = firstImage.height( ) ;
int w = firstImage.width( ) ;
int hsecond = secondImage.height( ) ;
int wsecond = secondImage.width( ) ;
if ( w != wsecond || h != hsecond ) {
std::cerr << "Error, pictures must have identical dimensions!\n" ;
return 2 ;
}
for ( int y = 0 ; y < h ; y++ ) {
uint *firstLine = ( uint* )firstImage.scanLine( y ) ;
uint *secondLine = ( uint* )secondImage.scanLine( y ) ;
for ( int x = 0 ; x < w ; x++ ) {
uint pixelFirst = firstLine[ x ] ;
int rFirst = qRed( pixelFirst ) ;
int gFirst = qGreen( pixelFirst ) ;
int bFirst = qBlue( pixelFirst ) ;
uint pixelSecond = secondLine[ x ] ;
int rSecond = qRed( pixelSecond ) ;
int gSecond = qGreen( pixelSecond ) ;
int bSecond = qBlue( pixelSecond ) ;
totaldiff += std::abs( rFirst - rSecond ) / 255.0 ;
totaldiff += std::abs( gFirst - gSecond ) / 255.0 ;
totaldiff += std::abs( bFirst -bSecond ) / 255.0 ;
}
}
std::cout << "The difference of the two pictures is " <<
(totaldiff * 100) / (w * h * 3) << " % !\n" ;
return 0 ;
}
|
Change the following Tcl code into Java without altering its purpose. | package require Tk
proc imageDifference {img1 img2} {
if {
[image width $img1] != [image width $img2] ||
[image height $img1] != [image height $img2]
} then {
return -code error "images are different size"
}
set diff 0
for {set x 0} {$x<[image width $img1]} {incr x} {
for {set y 0} {$y<[image height $img1]} {incr y} {
lassign [$img1 get $x $y] r1 g1 b1
lassign [$img2 get $x $y] r2 g2 b2
incr diff [expr {abs($r1-$r2)+abs($g1-$g2)+abs($b1-$b2)}]
}
}
expr {$diff/double($x*$y*3*255)}
}
package require Img
image create photo lenna50 -file lenna50.jpg
image create photo lenna100 -file lenna100.jpg
puts "difference is [expr {[imageDifference lenna50 lenna100]*100.}]%"
exit ;
| import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public enum ImgDiffPercent {
;
public static void main(String[] args) throws IOException {
BufferedImage img1 = ImageIO.read(new File("Lenna50.jpg"));
BufferedImage img2 = ImageIO.read(new File("Lenna100.jpg"));
double p = getDifferencePercent(img1, img2);
System.out.println("diff percent: " + p);
}
private static double getDifferencePercent(BufferedImage img1, BufferedImage img2) {
int width = img1.getWidth();
int height = img1.getHeight();
int width2 = img2.getWidth();
int height2 = img2.getHeight();
if (width != width2 || height != height2) {
throw new IllegalArgumentException(String.format("Images must have the same dimensions: (%d,%d) vs. (%d,%d)", width, height, width2, height2));
}
long diff = 0;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y));
}
}
long maxDiff = 3L * 255 * width * height;
return 100.0 * diff / maxDiff;
}
private static int pixelDiff(int rgb1, int rgb2) {
int r1 = (rgb1 >> 16) & 0xff;
int g1 = (rgb1 >> 8) & 0xff;
int b1 = rgb1 & 0xff;
int r2 = (rgb2 >> 16) & 0xff;
int g2 = (rgb2 >> 8) & 0xff;
int b2 = rgb2 & 0xff;
return Math.abs(r1 - r2) + Math.abs(g1 - g2) + Math.abs(b1 - b2);
}
}
|
Can you help me rewrite this code in Python instead of Tcl, keeping it the same logically? | package require Tk
proc imageDifference {img1 img2} {
if {
[image width $img1] != [image width $img2] ||
[image height $img1] != [image height $img2]
} then {
return -code error "images are different size"
}
set diff 0
for {set x 0} {$x<[image width $img1]} {incr x} {
for {set y 0} {$y<[image height $img1]} {incr y} {
lassign [$img1 get $x $y] r1 g1 b1
lassign [$img2 get $x $y] r2 g2 b2
incr diff [expr {abs($r1-$r2)+abs($g1-$g2)+abs($b1-$b2)}]
}
}
expr {$diff/double($x*$y*3*255)}
}
package require Img
image create photo lenna50 -file lenna50.jpg
image create photo lenna100 -file lenna100.jpg
puts "difference is [expr {[imageDifference lenna50 lenna100]*100.}]%"
exit ;
| from PIL import Image
i1 = Image.open("image1.jpg")
i2 = Image.open("image2.jpg")
assert i1.mode == i2.mode, "Different kinds of images."
assert i1.size == i2.size, "Different sizes."
pairs = zip(i1.getdata(), i2.getdata())
if len(i1.getbands()) == 1:
dif = sum(abs(p1-p2) for p1,p2 in pairs)
else:
dif = sum(abs(c1-c2) for p1,p2 in pairs for c1,c2 in zip(p1,p2))
ncomponents = i1.size[0] * i1.size[1] * 3
print ("Difference (percentage):", (dif / 255.0 * 100) / ncomponents)
|
Translate this program into Go but keep the logic exactly as in Tcl. | package require Tk
proc imageDifference {img1 img2} {
if {
[image width $img1] != [image width $img2] ||
[image height $img1] != [image height $img2]
} then {
return -code error "images are different size"
}
set diff 0
for {set x 0} {$x<[image width $img1]} {incr x} {
for {set y 0} {$y<[image height $img1]} {incr y} {
lassign [$img1 get $x $y] r1 g1 b1
lassign [$img2 get $x $y] r2 g2 b2
incr diff [expr {abs($r1-$r2)+abs($g1-$g2)+abs($b1-$b2)}]
}
}
expr {$diff/double($x*$y*3*255)}
}
package require Img
image create photo lenna50 -file lenna50.jpg
image create photo lenna100 -file lenna100.jpg
puts "difference is [expr {[imageDifference lenna50 lenna100]*100.}]%"
exit ;
| package main
import (
"fmt"
"image/jpeg"
"os"
"log"
"image"
)
func loadJpeg(filename string) (image.Image, error) {
f, err := os.Open(filename)
if err != nil {
return nil, err
}
defer f.Close()
img, err := jpeg.Decode(f)
if err != nil {
return nil, err
}
return img, nil
}
func diff(a, b uint32) int64 {
if a > b {
return int64(a - b)
}
return int64(b - a)
}
func main() {
i50, err := loadJpeg("Lenna50.jpg")
if err != nil {
log.Fatal(err)
}
i100, err := loadJpeg("Lenna100.jpg")
if err != nil {
log.Fatal(err)
}
if i50.ColorModel() != i100.ColorModel() {
log.Fatal("different color models")
}
b := i50.Bounds()
if !b.Eq(i100.Bounds()) {
log.Fatal("different image sizes")
}
var sum int64
for y := b.Min.Y; y < b.Max.Y; y++ {
for x := b.Min.X; x < b.Max.X; x++ {
r1, g1, b1, _ := i50.At(x, y).RGBA()
r2, g2, b2, _ := i100.At(x, y).RGBA()
sum += diff(r1, r2)
sum += diff(g1, g2)
sum += diff(b1, b2)
}
}
nPixels := (b.Max.X - b.Min.X) * (b.Max.Y - b.Min.Y)
fmt.Printf("Image difference: %f%%\n",
float64(sum*100)/(float64(nPixels)*0xffff*3))
}
|
Preserve the algorithm and functionality while converting the code from C to Rust. | #include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define RED_C 0
#define GREEN_C 1
#define BLUE_C 2
#define GET_PIXEL(IMG, X, Y) ((IMG)->buf[ (Y) * (IMG)->width + (X) ])
int main(int argc, char **argv)
{
image im1, im2;
double totalDiff = 0.0;
unsigned int x, y;
if ( argc < 3 )
{
fprintf(stderr, "usage:\n%s FILE1 FILE2\n", argv[0]);
exit(1);
}
im1 = read_image(argv[1]);
if ( im1 == NULL ) exit(1);
im2 = read_image(argv[2]);
if ( im2 == NULL ) { free_img(im1); exit(1); }
if ( (im1->width != im2->width) || (im1->height != im2->height) )
{
fprintf(stderr, "width/height of the images must match!\n");
} else {
for(x=0; x < im1->width; x++)
{
for(y=0; y < im1->width; y++)
{
totalDiff += fabs( GET_PIXEL(im1, x, y)[RED_C] - GET_PIXEL(im2, x, y)[RED_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[GREEN_C] - GET_PIXEL(im2, x, y)[GREEN_C] ) / 255.0;
totalDiff += fabs( GET_PIXEL(im1, x, y)[BLUE_C] - GET_PIXEL(im2, x, y)[BLUE_C] ) / 255.0;
}
}
printf("%lf\n", 100.0 * totalDiff / (double)(im1->width * im1->height * 3) );
}
free_img(im1);
free_img(im2);
}
| extern crate image;
use image::{GenericImageView, Rgba};
fn diff_rgba3(rgba1 : Rgba<u8>, rgba2 : Rgba<u8>) -> i32 {
(rgba1[0] as i32 - rgba2[0] as i32).abs()
+ (rgba1[1] as i32 - rgba2[1] as i32).abs()
+ (rgba1[2] as i32 - rgba2[2] as i32).abs()
}
fn main() {
let img1 = image::open("Lenna100.jpg").unwrap();
let img2 = image::open("Lenna50.jpg").unwrap();
let mut accum = 0;
let zipper = img1.pixels().zip(img2.pixels());
for (pixel1, pixel2) in zipper {
accum += diff_rgba3(pixel1.2, pixel2.2);
}
println!("Percent difference {}", accum as f64 * 100.0/ (255.0 * 3.0 * (img1.width() * img1.height()) as f64));
}
|
Ensure the translated Rust code behaves exactly like the original C# snippet. | using System;
using System.Drawing;
class Program
{
static void Main()
{
Bitmap img1 = new Bitmap("Lenna50.jpg");
Bitmap img2 = new Bitmap("Lenna100.jpg");
if (img1.Size != img2.Size)
{
Console.Error.WriteLine("Images are of different sizes");
return;
}
float diff = 0;
for (int y = 0; y < img1.Height; y++)
{
for (int x = 0; x < img1.Width; x++)
{
Color pixel1 = img1.GetPixel(x, y);
Color pixel2 = img2.GetPixel(x, y);
diff += Math.Abs(pixel1.R - pixel2.R);
diff += Math.Abs(pixel1.G - pixel2.G);
diff += Math.Abs(pixel1.B - pixel2.B);
}
}
Console.WriteLine("diff: {0} %", 100 * (diff / 255) / (img1.Width * img1.Height * 3));
}
}
| extern crate image;
use image::{GenericImageView, Rgba};
fn diff_rgba3(rgba1 : Rgba<u8>, rgba2 : Rgba<u8>) -> i32 {
(rgba1[0] as i32 - rgba2[0] as i32).abs()
+ (rgba1[1] as i32 - rgba2[1] as i32).abs()
+ (rgba1[2] as i32 - rgba2[2] as i32).abs()
}
fn main() {
let img1 = image::open("Lenna100.jpg").unwrap();
let img2 = image::open("Lenna50.jpg").unwrap();
let mut accum = 0;
let zipper = img1.pixels().zip(img2.pixels());
for (pixel1, pixel2) in zipper {
accum += diff_rgba3(pixel1.2, pixel2.2);
}
println!("Percent difference {}", accum as f64 * 100.0/ (255.0 * 3.0 * (img1.width() * img1.height()) as f64));
}
|
Transform the following Java implementation into Rust, maintaining the same output and logic. | import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public enum ImgDiffPercent {
;
public static void main(String[] args) throws IOException {
BufferedImage img1 = ImageIO.read(new File("Lenna50.jpg"));
BufferedImage img2 = ImageIO.read(new File("Lenna100.jpg"));
double p = getDifferencePercent(img1, img2);
System.out.println("diff percent: " + p);
}
private static double getDifferencePercent(BufferedImage img1, BufferedImage img2) {
int width = img1.getWidth();
int height = img1.getHeight();
int width2 = img2.getWidth();
int height2 = img2.getHeight();
if (width != width2 || height != height2) {
throw new IllegalArgumentException(String.format("Images must have the same dimensions: (%d,%d) vs. (%d,%d)", width, height, width2, height2));
}
long diff = 0;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y));
}
}
long maxDiff = 3L * 255 * width * height;
return 100.0 * diff / maxDiff;
}
private static int pixelDiff(int rgb1, int rgb2) {
int r1 = (rgb1 >> 16) & 0xff;
int g1 = (rgb1 >> 8) & 0xff;
int b1 = rgb1 & 0xff;
int r2 = (rgb2 >> 16) & 0xff;
int g2 = (rgb2 >> 8) & 0xff;
int b2 = rgb2 & 0xff;
return Math.abs(r1 - r2) + Math.abs(g1 - g2) + Math.abs(b1 - b2);
}
}
| extern crate image;
use image::{GenericImageView, Rgba};
fn diff_rgba3(rgba1 : Rgba<u8>, rgba2 : Rgba<u8>) -> i32 {
(rgba1[0] as i32 - rgba2[0] as i32).abs()
+ (rgba1[1] as i32 - rgba2[1] as i32).abs()
+ (rgba1[2] as i32 - rgba2[2] as i32).abs()
}
fn main() {
let img1 = image::open("Lenna100.jpg").unwrap();
let img2 = image::open("Lenna50.jpg").unwrap();
let mut accum = 0;
let zipper = img1.pixels().zip(img2.pixels());
for (pixel1, pixel2) in zipper {
accum += diff_rgba3(pixel1.2, pixel2.2);
}
println!("Percent difference {}", accum as f64 * 100.0/ (255.0 * 3.0 * (img1.width() * img1.height()) as f64));
}
|
Please provide an equivalent version of this Rust code in Python. | extern crate image;
use image::{GenericImageView, Rgba};
fn diff_rgba3(rgba1 : Rgba<u8>, rgba2 : Rgba<u8>) -> i32 {
(rgba1[0] as i32 - rgba2[0] as i32).abs()
+ (rgba1[1] as i32 - rgba2[1] as i32).abs()
+ (rgba1[2] as i32 - rgba2[2] as i32).abs()
}
fn main() {
let img1 = image::open("Lenna100.jpg").unwrap();
let img2 = image::open("Lenna50.jpg").unwrap();
let mut accum = 0;
let zipper = img1.pixels().zip(img2.pixels());
for (pixel1, pixel2) in zipper {
accum += diff_rgba3(pixel1.2, pixel2.2);
}
println!("Percent difference {}", accum as f64 * 100.0/ (255.0 * 3.0 * (img1.width() * img1.height()) as f64));
}
| from PIL import Image
i1 = Image.open("image1.jpg")
i2 = Image.open("image2.jpg")
assert i1.mode == i2.mode, "Different kinds of images."
assert i1.size == i2.size, "Different sizes."
pairs = zip(i1.getdata(), i2.getdata())
if len(i1.getbands()) == 1:
dif = sum(abs(p1-p2) for p1,p2 in pairs)
else:
dif = sum(abs(c1-c2) for p1,p2 in pairs for c1,c2 in zip(p1,p2))
ncomponents = i1.size[0] * i1.size[1] * 3
print ("Difference (percentage):", (dif / 255.0 * 100) / ncomponents)
|
Write the same code in Rust as shown below in C++. | #include <QImage>
#include <cstdlib>
#include <QColor>
#include <iostream>
int main( int argc , char *argv[ ] ) {
if ( argc != 3 ) {
std::cout << "Call this with imagecompare <file of image 1>"
<< " <file of image 2>\n" ;
return 1 ;
}
QImage firstImage ( argv[ 1 ] ) ;
QImage secondImage ( argv[ 2 ] ) ;
double totaldiff = 0.0 ;
int h = firstImage.height( ) ;
int w = firstImage.width( ) ;
int hsecond = secondImage.height( ) ;
int wsecond = secondImage.width( ) ;
if ( w != wsecond || h != hsecond ) {
std::cerr << "Error, pictures must have identical dimensions!\n" ;
return 2 ;
}
for ( int y = 0 ; y < h ; y++ ) {
uint *firstLine = ( uint* )firstImage.scanLine( y ) ;
uint *secondLine = ( uint* )secondImage.scanLine( y ) ;
for ( int x = 0 ; x < w ; x++ ) {
uint pixelFirst = firstLine[ x ] ;
int rFirst = qRed( pixelFirst ) ;
int gFirst = qGreen( pixelFirst ) ;
int bFirst = qBlue( pixelFirst ) ;
uint pixelSecond = secondLine[ x ] ;
int rSecond = qRed( pixelSecond ) ;
int gSecond = qGreen( pixelSecond ) ;
int bSecond = qBlue( pixelSecond ) ;
totaldiff += std::abs( rFirst - rSecond ) / 255.0 ;
totaldiff += std::abs( gFirst - gSecond ) / 255.0 ;
totaldiff += std::abs( bFirst -bSecond ) / 255.0 ;
}
}
std::cout << "The difference of the two pictures is " <<
(totaldiff * 100) / (w * h * 3) << " % !\n" ;
return 0 ;
}
| extern crate image;
use image::{GenericImageView, Rgba};
fn diff_rgba3(rgba1 : Rgba<u8>, rgba2 : Rgba<u8>) -> i32 {
(rgba1[0] as i32 - rgba2[0] as i32).abs()
+ (rgba1[1] as i32 - rgba2[1] as i32).abs()
+ (rgba1[2] as i32 - rgba2[2] as i32).abs()
}
fn main() {
let img1 = image::open("Lenna100.jpg").unwrap();
let img2 = image::open("Lenna50.jpg").unwrap();
let mut accum = 0;
let zipper = img1.pixels().zip(img2.pixels());
for (pixel1, pixel2) in zipper {
accum += diff_rgba3(pixel1.2, pixel2.2);
}
println!("Percent difference {}", accum as f64 * 100.0/ (255.0 * 3.0 * (img1.width() * img1.height()) as f64));
}
|
Change the following Go code into Rust without altering its purpose. | package main
import (
"fmt"
"image/jpeg"
"os"
"log"
"image"
)
func loadJpeg(filename string) (image.Image, error) {
f, err := os.Open(filename)
if err != nil {
return nil, err
}
defer f.Close()
img, err := jpeg.Decode(f)
if err != nil {
return nil, err
}
return img, nil
}
func diff(a, b uint32) int64 {
if a > b {
return int64(a - b)
}
return int64(b - a)
}
func main() {
i50, err := loadJpeg("Lenna50.jpg")
if err != nil {
log.Fatal(err)
}
i100, err := loadJpeg("Lenna100.jpg")
if err != nil {
log.Fatal(err)
}
if i50.ColorModel() != i100.ColorModel() {
log.Fatal("different color models")
}
b := i50.Bounds()
if !b.Eq(i100.Bounds()) {
log.Fatal("different image sizes")
}
var sum int64
for y := b.Min.Y; y < b.Max.Y; y++ {
for x := b.Min.X; x < b.Max.X; x++ {
r1, g1, b1, _ := i50.At(x, y).RGBA()
r2, g2, b2, _ := i100.At(x, y).RGBA()
sum += diff(r1, r2)
sum += diff(g1, g2)
sum += diff(b1, b2)
}
}
nPixels := (b.Max.X - b.Min.X) * (b.Max.Y - b.Min.Y)
fmt.Printf("Image difference: %f%%\n",
float64(sum*100)/(float64(nPixels)*0xffff*3))
}
| extern crate image;
use image::{GenericImageView, Rgba};
fn diff_rgba3(rgba1 : Rgba<u8>, rgba2 : Rgba<u8>) -> i32 {
(rgba1[0] as i32 - rgba2[0] as i32).abs()
+ (rgba1[1] as i32 - rgba2[1] as i32).abs()
+ (rgba1[2] as i32 - rgba2[2] as i32).abs()
}
fn main() {
let img1 = image::open("Lenna100.jpg").unwrap();
let img2 = image::open("Lenna50.jpg").unwrap();
let mut accum = 0;
let zipper = img1.pixels().zip(img2.pixels());
for (pixel1, pixel2) in zipper {
accum += diff_rgba3(pixel1.2, pixel2.2);
}
println!("Percent difference {}", accum as f64 * 100.0/ (255.0 * 3.0 * (img1.width() * img1.height()) as f64));
}
|
Can you help me rewrite this code in C# instead of Ada, keeping it the same logically? | with Ada.Text_IO, Interfaces;
use Ada.Text_IO, Interfaces;
procedure Bitwise is
subtype Byte is Unsigned_8;
package Byte_IO is new Ada.Text_Io.Modular_IO (Byte);
A : constant Byte := 2#00011110#;
B : constant Byte := 2#11110100#;
X : constant Byte := 128;
N : constant Natural := 1;
begin
Put ("A and B = "); Byte_IO.Put (Item => A and B, Base => 2); New_Line;
Put ("A or B = "); Byte_IO.Put (Item => A or B, Base => 2); New_Line;
Put ("A xor B = "); Byte_IO.Put (Item => A xor B, Base => 2); New_Line;
Put ("not A = "); Byte_IO.Put (Item => not A, Base => 2); New_Line;
New_Line (2);
Put_Line (Unsigned_8'Image (Shift_Left (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right_Arithmetic (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Left (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Right (X, N)));
end Bitwise;
| static void bitwise(int a, int b)
{
Console.WriteLine("a and b is {0}", a & b);
Console.WriteLine("a or b is {0}", a | b);
Console.WriteLine("a xor b is {0}", a ^ b);
Console.WriteLine("not a is {0}", ~a);
Console.WriteLine("a lshift b is {0}", a << b);
Console.WriteLine("a arshift b is {0}", a >> b);
uint c = (uint)a;
Console.WriteLine("c rshift b is {0}", c >> b);
}
|
Convert this Ada block to C, preserving its control flow and logic. | with Ada.Text_IO, Interfaces;
use Ada.Text_IO, Interfaces;
procedure Bitwise is
subtype Byte is Unsigned_8;
package Byte_IO is new Ada.Text_Io.Modular_IO (Byte);
A : constant Byte := 2#00011110#;
B : constant Byte := 2#11110100#;
X : constant Byte := 128;
N : constant Natural := 1;
begin
Put ("A and B = "); Byte_IO.Put (Item => A and B, Base => 2); New_Line;
Put ("A or B = "); Byte_IO.Put (Item => A or B, Base => 2); New_Line;
Put ("A xor B = "); Byte_IO.Put (Item => A xor B, Base => 2); New_Line;
Put ("not A = "); Byte_IO.Put (Item => not A, Base => 2); New_Line;
New_Line (2);
Put_Line (Unsigned_8'Image (Shift_Left (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right_Arithmetic (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Left (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Right (X, N)));
end Bitwise;
| void bitwise(int a, int b)
{
printf("a and b: %d\n", a & b);
printf("a or b: %d\n", a | b);
printf("a xor b: %d\n", a ^ b);
printf("not a: %d\n", ~a);
printf("a << n: %d\n", a << b);
printf("a >> n: %d\n", a >> b);
unsigned int c = a;
printf("c >> b: %d\n", c >> b);
return 0;
}
|
Rewrite this program in C++ while keeping its functionality equivalent to the Ada version. | with Ada.Text_IO, Interfaces;
use Ada.Text_IO, Interfaces;
procedure Bitwise is
subtype Byte is Unsigned_8;
package Byte_IO is new Ada.Text_Io.Modular_IO (Byte);
A : constant Byte := 2#00011110#;
B : constant Byte := 2#11110100#;
X : constant Byte := 128;
N : constant Natural := 1;
begin
Put ("A and B = "); Byte_IO.Put (Item => A and B, Base => 2); New_Line;
Put ("A or B = "); Byte_IO.Put (Item => A or B, Base => 2); New_Line;
Put ("A xor B = "); Byte_IO.Put (Item => A xor B, Base => 2); New_Line;
Put ("not A = "); Byte_IO.Put (Item => not A, Base => 2); New_Line;
New_Line (2);
Put_Line (Unsigned_8'Image (Shift_Left (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right_Arithmetic (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Left (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Right (X, N)));
end Bitwise;
| #include <iostream>
void bitwise(int a, int b)
{
std::cout << "a and b: " << (a & b) << '\n';
std::cout << "a or b: " << (a | b) << '\n';
std::cout << "a xor b: " << (a ^ b) << '\n';
std::cout << "not a: " << ~a << '\n';
std::cout << "a shl b: " << (a << b) << '\n';
std::cout << "a shr b: " << (a >> b) << '\n';
unsigned int ua = a;
std::cout << "a lsr b: " << (ua >> b) << '\n';
std::cout << "a rol b: " << std::rotl(ua, b) << '\n';
std::cout << "a ror b: " << std::rotr(ua, b) << '\n';
}
|
Keep all operations the same but rewrite the snippet in Go. | with Ada.Text_IO, Interfaces;
use Ada.Text_IO, Interfaces;
procedure Bitwise is
subtype Byte is Unsigned_8;
package Byte_IO is new Ada.Text_Io.Modular_IO (Byte);
A : constant Byte := 2#00011110#;
B : constant Byte := 2#11110100#;
X : constant Byte := 128;
N : constant Natural := 1;
begin
Put ("A and B = "); Byte_IO.Put (Item => A and B, Base => 2); New_Line;
Put ("A or B = "); Byte_IO.Put (Item => A or B, Base => 2); New_Line;
Put ("A xor B = "); Byte_IO.Put (Item => A xor B, Base => 2); New_Line;
Put ("not A = "); Byte_IO.Put (Item => not A, Base => 2); New_Line;
New_Line (2);
Put_Line (Unsigned_8'Image (Shift_Left (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right_Arithmetic (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Left (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Right (X, N)));
end Bitwise;
| package main
import "fmt"
func bitwise(a, b int16) {
fmt.Printf("a: %016b\n", uint16(a))
fmt.Printf("b: %016b\n", uint16(b))
fmt.Printf("and: %016b\n", uint16(a&b))
fmt.Printf("or: %016b\n", uint16(a|b))
fmt.Printf("xor: %016b\n", uint16(a^b))
fmt.Printf("not: %016b\n", uint16(^a))
if b < 0 {
fmt.Println("Right operand is negative, but all shifts require an unsigned right operand (shift distance).")
return
}
ua := uint16(a)
ub := uint32(b)
fmt.Printf("shl: %016b\n", uint16(ua<<ub))
fmt.Printf("shr: %016b\n", uint16(ua>>ub))
fmt.Printf("las: %016b\n", uint16(a<<ub))
fmt.Printf("ras: %016b\n", uint16(a>>ub))
fmt.Printf("rol: %016b\n", uint16(a<<ub|int16(uint16(a)>>(16-ub))))
fmt.Printf("ror: %016b\n", uint16(int16(uint16(a)>>ub)|a<<(16-ub)))
}
func main() {
var a, b int16 = -460, 6
bitwise(a, b)
}
|
Maintain the same structure and functionality when rewriting this code in Java. | with Ada.Text_IO, Interfaces;
use Ada.Text_IO, Interfaces;
procedure Bitwise is
subtype Byte is Unsigned_8;
package Byte_IO is new Ada.Text_Io.Modular_IO (Byte);
A : constant Byte := 2#00011110#;
B : constant Byte := 2#11110100#;
X : constant Byte := 128;
N : constant Natural := 1;
begin
Put ("A and B = "); Byte_IO.Put (Item => A and B, Base => 2); New_Line;
Put ("A or B = "); Byte_IO.Put (Item => A or B, Base => 2); New_Line;
Put ("A xor B = "); Byte_IO.Put (Item => A xor B, Base => 2); New_Line;
Put ("not A = "); Byte_IO.Put (Item => not A, Base => 2); New_Line;
New_Line (2);
Put_Line (Unsigned_8'Image (Shift_Left (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right_Arithmetic (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Left (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Right (X, N)));
end Bitwise;
| module BitwiseOps
{
@Inject Console console;
void run()
{
for ((Int64 n1, Int64 n2) : [0=7, 1=5, 42=2, 0x123456789ABCDEF=0xFF])
{
static String hex(Int64 n)
{
return n.toByteArray() [(n.leadingZeroCount / 8).minOf(7) ..< 8].toString();
}
console.print($|For values {n1} ({hex(n1)}) and {n2} ({hex(n2)}):
| {hex(n1)} AND {hex(n2)} = {hex(n1 & n2)}
| {hex(n1)} OR {hex(n2)} = {hex(n1 | n2)}
| {hex(n1)} XOR {hex(n2)} = {hex(n1 ^ n2)}
| NOT {hex(n1)} = {hex(~n1)}
| left shift {hex(n1)} by {n2} = {hex(n1 << n2)}
| right shift {hex(n1)} by {n2} = {hex(n1 >> n2)}
| right arithmetic shift {hex(n1)} by {n2} = {hex(n1 >>> n2)}
| left rotate {hex(n1)} by {n2} = {hex(n1.rotateLeft(n2))}
| right rotate {hex(n1)} by {n2} = {hex(n1.rotateRight(n2))}
| leftmost bit of {hex(n1)} = {hex(n1.leftmostBit)}
| rightmost bit of {hex(n1)} = {hex(n1.rightmostBit)}
| leading zero count of {hex(n1)} = {n1.leadingZeroCount}
| trailing zero count of {hex(n1)} = {n1.trailingZeroCount}
| bit count (aka "population") of {hex(n1)} = {n1.bitCount}
| reversed bits of {hex(n1)} = {hex(n1.reverseBits())}
| reverse bytes of {hex(n1)} = {hex(n1.reverseBytes())}
|
);
}
}
}
|
Generate a Python translation of this Ada snippet without changing its computational steps. | with Ada.Text_IO, Interfaces;
use Ada.Text_IO, Interfaces;
procedure Bitwise is
subtype Byte is Unsigned_8;
package Byte_IO is new Ada.Text_Io.Modular_IO (Byte);
A : constant Byte := 2#00011110#;
B : constant Byte := 2#11110100#;
X : constant Byte := 128;
N : constant Natural := 1;
begin
Put ("A and B = "); Byte_IO.Put (Item => A and B, Base => 2); New_Line;
Put ("A or B = "); Byte_IO.Put (Item => A or B, Base => 2); New_Line;
Put ("A xor B = "); Byte_IO.Put (Item => A xor B, Base => 2); New_Line;
Put ("not A = "); Byte_IO.Put (Item => not A, Base => 2); New_Line;
New_Line (2);
Put_Line (Unsigned_8'Image (Shift_Left (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right_Arithmetic (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Left (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Right (X, N)));
end Bitwise;
| def bitwise_built_ins(width, a, b):
mask = (1 << width) - 1
print(f)
def rotr(width, a, n):
"Rotate a, n times to the right"
if n < 0:
return rotl(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return ((a >> n)
| ((a & ((1 << n) - 1))
<< (width - n)))
def rotl(width, a, n):
"Rotate a, n times to the left"
if n < 0:
return rotr(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return (((a << n) & mask)
| (a >> (width - n)))
def asr(width, a, n):
"Arithmetic shift a, n times to the right. (sign preserving)."
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
if n < 0:
return (a << -n) & mask
elif n == 0:
return a
elif n >= width:
return mask if a & top_bit_mask else 0
else:
a = a & mask
if a & top_bit_mask:
signs = (1 << n) - 1
return a >> n | (signs << width - n)
else:
return a >> n
def helper_funcs(width, a):
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
aa = a | top_bit_mask
print(f)
if __name__ == '__main__':
bitwise_built_ins(8, 27, 125)
helper_funcs(8, 27)
|
Convert this Ada block to VB, preserving its control flow and logic. | with Ada.Text_IO, Interfaces;
use Ada.Text_IO, Interfaces;
procedure Bitwise is
subtype Byte is Unsigned_8;
package Byte_IO is new Ada.Text_Io.Modular_IO (Byte);
A : constant Byte := 2#00011110#;
B : constant Byte := 2#11110100#;
X : constant Byte := 128;
N : constant Natural := 1;
begin
Put ("A and B = "); Byte_IO.Put (Item => A and B, Base => 2); New_Line;
Put ("A or B = "); Byte_IO.Put (Item => A or B, Base => 2); New_Line;
Put ("A xor B = "); Byte_IO.Put (Item => A xor B, Base => 2); New_Line;
Put ("not A = "); Byte_IO.Put (Item => not A, Base => 2); New_Line;
New_Line (2);
Put_Line (Unsigned_8'Image (Shift_Left (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right (X, N)));
Put_Line (Unsigned_8'Image (Shift_Right_Arithmetic (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Left (X, N)));
Put_Line (Unsigned_8'Image (Rotate_Right (X, N)));
end Bitwise;
| Debug.Print Hex(&HF0F0 And &HFF00)
Debug.Print Hex(&HF0F0 Or &HFF00)
Debug.Print Hex(&HF0F0 Xor &HFF00)
Debug.Print Hex(Not &HF0F0)
Debug.Print Hex(&HF0F0 Eqv &HFF00)
Debug.Print Hex(&HF0F0 Imp &HFF00)
|
Port the provided Arturo code into C while preserving the original functionality. | a: 255
b: 2
print [a "AND" b "=" and a b]
print [a "OR" b "=" or a b]
print [a "XOR" b "=" xor a b]
print ["NOT" a "=" not a]
print [a "SHL" b "=" shl a b]
print [a "SHR" b "=" shr a b]
| void bitwise(int a, int b)
{
printf("a and b: %d\n", a & b);
printf("a or b: %d\n", a | b);
printf("a xor b: %d\n", a ^ b);
printf("not a: %d\n", ~a);
printf("a << n: %d\n", a << b);
printf("a >> n: %d\n", a >> b);
unsigned int c = a;
printf("c >> b: %d\n", c >> b);
return 0;
}
|
Port the following code from Arturo to C# with equivalent syntax and logic. | a: 255
b: 2
print [a "AND" b "=" and a b]
print [a "OR" b "=" or a b]
print [a "XOR" b "=" xor a b]
print ["NOT" a "=" not a]
print [a "SHL" b "=" shl a b]
print [a "SHR" b "=" shr a b]
| static void bitwise(int a, int b)
{
Console.WriteLine("a and b is {0}", a & b);
Console.WriteLine("a or b is {0}", a | b);
Console.WriteLine("a xor b is {0}", a ^ b);
Console.WriteLine("not a is {0}", ~a);
Console.WriteLine("a lshift b is {0}", a << b);
Console.WriteLine("a arshift b is {0}", a >> b);
uint c = (uint)a;
Console.WriteLine("c rshift b is {0}", c >> b);
}
|
Transform the following Arturo implementation into C++, maintaining the same output and logic. | a: 255
b: 2
print [a "AND" b "=" and a b]
print [a "OR" b "=" or a b]
print [a "XOR" b "=" xor a b]
print ["NOT" a "=" not a]
print [a "SHL" b "=" shl a b]
print [a "SHR" b "=" shr a b]
| #include <iostream>
void bitwise(int a, int b)
{
std::cout << "a and b: " << (a & b) << '\n';
std::cout << "a or b: " << (a | b) << '\n';
std::cout << "a xor b: " << (a ^ b) << '\n';
std::cout << "not a: " << ~a << '\n';
std::cout << "a shl b: " << (a << b) << '\n';
std::cout << "a shr b: " << (a >> b) << '\n';
unsigned int ua = a;
std::cout << "a lsr b: " << (ua >> b) << '\n';
std::cout << "a rol b: " << std::rotl(ua, b) << '\n';
std::cout << "a ror b: " << std::rotr(ua, b) << '\n';
}
|
Rewrite this program in Java while keeping its functionality equivalent to the Arturo version. | a: 255
b: 2
print [a "AND" b "=" and a b]
print [a "OR" b "=" or a b]
print [a "XOR" b "=" xor a b]
print ["NOT" a "=" not a]
print [a "SHL" b "=" shl a b]
print [a "SHR" b "=" shr a b]
| module BitwiseOps
{
@Inject Console console;
void run()
{
for ((Int64 n1, Int64 n2) : [0=7, 1=5, 42=2, 0x123456789ABCDEF=0xFF])
{
static String hex(Int64 n)
{
return n.toByteArray() [(n.leadingZeroCount / 8).minOf(7) ..< 8].toString();
}
console.print($|For values {n1} ({hex(n1)}) and {n2} ({hex(n2)}):
| {hex(n1)} AND {hex(n2)} = {hex(n1 & n2)}
| {hex(n1)} OR {hex(n2)} = {hex(n1 | n2)}
| {hex(n1)} XOR {hex(n2)} = {hex(n1 ^ n2)}
| NOT {hex(n1)} = {hex(~n1)}
| left shift {hex(n1)} by {n2} = {hex(n1 << n2)}
| right shift {hex(n1)} by {n2} = {hex(n1 >> n2)}
| right arithmetic shift {hex(n1)} by {n2} = {hex(n1 >>> n2)}
| left rotate {hex(n1)} by {n2} = {hex(n1.rotateLeft(n2))}
| right rotate {hex(n1)} by {n2} = {hex(n1.rotateRight(n2))}
| leftmost bit of {hex(n1)} = {hex(n1.leftmostBit)}
| rightmost bit of {hex(n1)} = {hex(n1.rightmostBit)}
| leading zero count of {hex(n1)} = {n1.leadingZeroCount}
| trailing zero count of {hex(n1)} = {n1.trailingZeroCount}
| bit count (aka "population") of {hex(n1)} = {n1.bitCount}
| reversed bits of {hex(n1)} = {hex(n1.reverseBits())}
| reverse bytes of {hex(n1)} = {hex(n1.reverseBytes())}
|
);
}
}
}
|
Rewrite this program in Python while keeping its functionality equivalent to the Arturo version. | a: 255
b: 2
print [a "AND" b "=" and a b]
print [a "OR" b "=" or a b]
print [a "XOR" b "=" xor a b]
print ["NOT" a "=" not a]
print [a "SHL" b "=" shl a b]
print [a "SHR" b "=" shr a b]
| def bitwise_built_ins(width, a, b):
mask = (1 << width) - 1
print(f)
def rotr(width, a, n):
"Rotate a, n times to the right"
if n < 0:
return rotl(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return ((a >> n)
| ((a & ((1 << n) - 1))
<< (width - n)))
def rotl(width, a, n):
"Rotate a, n times to the left"
if n < 0:
return rotr(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return (((a << n) & mask)
| (a >> (width - n)))
def asr(width, a, n):
"Arithmetic shift a, n times to the right. (sign preserving)."
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
if n < 0:
return (a << -n) & mask
elif n == 0:
return a
elif n >= width:
return mask if a & top_bit_mask else 0
else:
a = a & mask
if a & top_bit_mask:
signs = (1 << n) - 1
return a >> n | (signs << width - n)
else:
return a >> n
def helper_funcs(width, a):
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
aa = a | top_bit_mask
print(f)
if __name__ == '__main__':
bitwise_built_ins(8, 27, 125)
helper_funcs(8, 27)
|
Generate a VB translation of this Arturo snippet without changing its computational steps. | a: 255
b: 2
print [a "AND" b "=" and a b]
print [a "OR" b "=" or a b]
print [a "XOR" b "=" xor a b]
print ["NOT" a "=" not a]
print [a "SHL" b "=" shl a b]
print [a "SHR" b "=" shr a b]
| Debug.Print Hex(&HF0F0 And &HFF00)
Debug.Print Hex(&HF0F0 Or &HFF00)
Debug.Print Hex(&HF0F0 Xor &HFF00)
Debug.Print Hex(Not &HF0F0)
Debug.Print Hex(&HF0F0 Eqv &HFF00)
Debug.Print Hex(&HF0F0 Imp &HFF00)
|
Rewrite the snippet below in Go so it works the same as the original Arturo code. | a: 255
b: 2
print [a "AND" b "=" and a b]
print [a "OR" b "=" or a b]
print [a "XOR" b "=" xor a b]
print ["NOT" a "=" not a]
print [a "SHL" b "=" shl a b]
print [a "SHR" b "=" shr a b]
| package main
import "fmt"
func bitwise(a, b int16) {
fmt.Printf("a: %016b\n", uint16(a))
fmt.Printf("b: %016b\n", uint16(b))
fmt.Printf("and: %016b\n", uint16(a&b))
fmt.Printf("or: %016b\n", uint16(a|b))
fmt.Printf("xor: %016b\n", uint16(a^b))
fmt.Printf("not: %016b\n", uint16(^a))
if b < 0 {
fmt.Println("Right operand is negative, but all shifts require an unsigned right operand (shift distance).")
return
}
ua := uint16(a)
ub := uint32(b)
fmt.Printf("shl: %016b\n", uint16(ua<<ub))
fmt.Printf("shr: %016b\n", uint16(ua>>ub))
fmt.Printf("las: %016b\n", uint16(a<<ub))
fmt.Printf("ras: %016b\n", uint16(a>>ub))
fmt.Printf("rol: %016b\n", uint16(a<<ub|int16(uint16(a)>>(16-ub))))
fmt.Printf("ror: %016b\n", uint16(int16(uint16(a)>>ub)|a<<(16-ub)))
}
func main() {
var a, b int16 = -460, 6
bitwise(a, b)
}
|
Rewrite this program in C while keeping its functionality equivalent to the AutoHotKey version. | bitwise(3, 4)
bitwise(a, b)
{
MsgBox % "a and b: " . a & b
MsgBox % "a or b: " . a | b
MsgBox % "a xor b: " . a ^ b
MsgBox % "not a: " . ~a
MsgBox % "a << b: " . a << b
MsgBox % "a >> b: " . a >> b
}
| void bitwise(int a, int b)
{
printf("a and b: %d\n", a & b);
printf("a or b: %d\n", a | b);
printf("a xor b: %d\n", a ^ b);
printf("not a: %d\n", ~a);
printf("a << n: %d\n", a << b);
printf("a >> n: %d\n", a >> b);
unsigned int c = a;
printf("c >> b: %d\n", c >> b);
return 0;
}
|
Generate an equivalent C# version of this AutoHotKey code. | bitwise(3, 4)
bitwise(a, b)
{
MsgBox % "a and b: " . a & b
MsgBox % "a or b: " . a | b
MsgBox % "a xor b: " . a ^ b
MsgBox % "not a: " . ~a
MsgBox % "a << b: " . a << b
MsgBox % "a >> b: " . a >> b
}
| static void bitwise(int a, int b)
{
Console.WriteLine("a and b is {0}", a & b);
Console.WriteLine("a or b is {0}", a | b);
Console.WriteLine("a xor b is {0}", a ^ b);
Console.WriteLine("not a is {0}", ~a);
Console.WriteLine("a lshift b is {0}", a << b);
Console.WriteLine("a arshift b is {0}", a >> b);
uint c = (uint)a;
Console.WriteLine("c rshift b is {0}", c >> b);
}
|
Port the provided AutoHotKey code into C++ while preserving the original functionality. | bitwise(3, 4)
bitwise(a, b)
{
MsgBox % "a and b: " . a & b
MsgBox % "a or b: " . a | b
MsgBox % "a xor b: " . a ^ b
MsgBox % "not a: " . ~a
MsgBox % "a << b: " . a << b
MsgBox % "a >> b: " . a >> b
}
| #include <iostream>
void bitwise(int a, int b)
{
std::cout << "a and b: " << (a & b) << '\n';
std::cout << "a or b: " << (a | b) << '\n';
std::cout << "a xor b: " << (a ^ b) << '\n';
std::cout << "not a: " << ~a << '\n';
std::cout << "a shl b: " << (a << b) << '\n';
std::cout << "a shr b: " << (a >> b) << '\n';
unsigned int ua = a;
std::cout << "a lsr b: " << (ua >> b) << '\n';
std::cout << "a rol b: " << std::rotl(ua, b) << '\n';
std::cout << "a ror b: " << std::rotr(ua, b) << '\n';
}
|
Translate this program into Java but keep the logic exactly as in AutoHotKey. | bitwise(3, 4)
bitwise(a, b)
{
MsgBox % "a and b: " . a & b
MsgBox % "a or b: " . a | b
MsgBox % "a xor b: " . a ^ b
MsgBox % "not a: " . ~a
MsgBox % "a << b: " . a << b
MsgBox % "a >> b: " . a >> b
}
| module BitwiseOps
{
@Inject Console console;
void run()
{
for ((Int64 n1, Int64 n2) : [0=7, 1=5, 42=2, 0x123456789ABCDEF=0xFF])
{
static String hex(Int64 n)
{
return n.toByteArray() [(n.leadingZeroCount / 8).minOf(7) ..< 8].toString();
}
console.print($|For values {n1} ({hex(n1)}) and {n2} ({hex(n2)}):
| {hex(n1)} AND {hex(n2)} = {hex(n1 & n2)}
| {hex(n1)} OR {hex(n2)} = {hex(n1 | n2)}
| {hex(n1)} XOR {hex(n2)} = {hex(n1 ^ n2)}
| NOT {hex(n1)} = {hex(~n1)}
| left shift {hex(n1)} by {n2} = {hex(n1 << n2)}
| right shift {hex(n1)} by {n2} = {hex(n1 >> n2)}
| right arithmetic shift {hex(n1)} by {n2} = {hex(n1 >>> n2)}
| left rotate {hex(n1)} by {n2} = {hex(n1.rotateLeft(n2))}
| right rotate {hex(n1)} by {n2} = {hex(n1.rotateRight(n2))}
| leftmost bit of {hex(n1)} = {hex(n1.leftmostBit)}
| rightmost bit of {hex(n1)} = {hex(n1.rightmostBit)}
| leading zero count of {hex(n1)} = {n1.leadingZeroCount}
| trailing zero count of {hex(n1)} = {n1.trailingZeroCount}
| bit count (aka "population") of {hex(n1)} = {n1.bitCount}
| reversed bits of {hex(n1)} = {hex(n1.reverseBits())}
| reverse bytes of {hex(n1)} = {hex(n1.reverseBytes())}
|
);
}
}
}
|
Produce a functionally identical Python code for the snippet given in AutoHotKey. | bitwise(3, 4)
bitwise(a, b)
{
MsgBox % "a and b: " . a & b
MsgBox % "a or b: " . a | b
MsgBox % "a xor b: " . a ^ b
MsgBox % "not a: " . ~a
MsgBox % "a << b: " . a << b
MsgBox % "a >> b: " . a >> b
}
| def bitwise_built_ins(width, a, b):
mask = (1 << width) - 1
print(f)
def rotr(width, a, n):
"Rotate a, n times to the right"
if n < 0:
return rotl(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return ((a >> n)
| ((a & ((1 << n) - 1))
<< (width - n)))
def rotl(width, a, n):
"Rotate a, n times to the left"
if n < 0:
return rotr(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return (((a << n) & mask)
| (a >> (width - n)))
def asr(width, a, n):
"Arithmetic shift a, n times to the right. (sign preserving)."
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
if n < 0:
return (a << -n) & mask
elif n == 0:
return a
elif n >= width:
return mask if a & top_bit_mask else 0
else:
a = a & mask
if a & top_bit_mask:
signs = (1 << n) - 1
return a >> n | (signs << width - n)
else:
return a >> n
def helper_funcs(width, a):
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
aa = a | top_bit_mask
print(f)
if __name__ == '__main__':
bitwise_built_ins(8, 27, 125)
helper_funcs(8, 27)
|
Change the programming language of this snippet from AutoHotKey to VB without modifying what it does. | bitwise(3, 4)
bitwise(a, b)
{
MsgBox % "a and b: " . a & b
MsgBox % "a or b: " . a | b
MsgBox % "a xor b: " . a ^ b
MsgBox % "not a: " . ~a
MsgBox % "a << b: " . a << b
MsgBox % "a >> b: " . a >> b
}
| Debug.Print Hex(&HF0F0 And &HFF00)
Debug.Print Hex(&HF0F0 Or &HFF00)
Debug.Print Hex(&HF0F0 Xor &HFF00)
Debug.Print Hex(Not &HF0F0)
Debug.Print Hex(&HF0F0 Eqv &HFF00)
Debug.Print Hex(&HF0F0 Imp &HFF00)
|
Rewrite the snippet below in Go so it works the same as the original AutoHotKey code. | bitwise(3, 4)
bitwise(a, b)
{
MsgBox % "a and b: " . a & b
MsgBox % "a or b: " . a | b
MsgBox % "a xor b: " . a ^ b
MsgBox % "not a: " . ~a
MsgBox % "a << b: " . a << b
MsgBox % "a >> b: " . a >> b
}
| package main
import "fmt"
func bitwise(a, b int16) {
fmt.Printf("a: %016b\n", uint16(a))
fmt.Printf("b: %016b\n", uint16(b))
fmt.Printf("and: %016b\n", uint16(a&b))
fmt.Printf("or: %016b\n", uint16(a|b))
fmt.Printf("xor: %016b\n", uint16(a^b))
fmt.Printf("not: %016b\n", uint16(^a))
if b < 0 {
fmt.Println("Right operand is negative, but all shifts require an unsigned right operand (shift distance).")
return
}
ua := uint16(a)
ub := uint32(b)
fmt.Printf("shl: %016b\n", uint16(ua<<ub))
fmt.Printf("shr: %016b\n", uint16(ua>>ub))
fmt.Printf("las: %016b\n", uint16(a<<ub))
fmt.Printf("ras: %016b\n", uint16(a>>ub))
fmt.Printf("rol: %016b\n", uint16(a<<ub|int16(uint16(a)>>(16-ub))))
fmt.Printf("ror: %016b\n", uint16(int16(uint16(a)>>ub)|a<<(16-ub)))
}
func main() {
var a, b int16 = -460, 6
bitwise(a, b)
}
|
Convert this AWK snippet to C and keep its semantics consistent. | BEGIN {
n = 11
p = 1
print n " or " p " = " or(n,p)
print n " and " p " = " and(n,p)
print n " xor " p " = " xor(n,p)
print n " << " p " = " lshift(n, p)
print n " >> " p " = " rshift(n, p)
printf "not %d = 0x%x\n", n, compl(n)
}
| void bitwise(int a, int b)
{
printf("a and b: %d\n", a & b);
printf("a or b: %d\n", a | b);
printf("a xor b: %d\n", a ^ b);
printf("not a: %d\n", ~a);
printf("a << n: %d\n", a << b);
printf("a >> n: %d\n", a >> b);
unsigned int c = a;
printf("c >> b: %d\n", c >> b);
return 0;
}
|
Change the following AWK code into C# without altering its purpose. | BEGIN {
n = 11
p = 1
print n " or " p " = " or(n,p)
print n " and " p " = " and(n,p)
print n " xor " p " = " xor(n,p)
print n " << " p " = " lshift(n, p)
print n " >> " p " = " rshift(n, p)
printf "not %d = 0x%x\n", n, compl(n)
}
| static void bitwise(int a, int b)
{
Console.WriteLine("a and b is {0}", a & b);
Console.WriteLine("a or b is {0}", a | b);
Console.WriteLine("a xor b is {0}", a ^ b);
Console.WriteLine("not a is {0}", ~a);
Console.WriteLine("a lshift b is {0}", a << b);
Console.WriteLine("a arshift b is {0}", a >> b);
uint c = (uint)a;
Console.WriteLine("c rshift b is {0}", c >> b);
}
|
Keep all operations the same but rewrite the snippet in C++. | BEGIN {
n = 11
p = 1
print n " or " p " = " or(n,p)
print n " and " p " = " and(n,p)
print n " xor " p " = " xor(n,p)
print n " << " p " = " lshift(n, p)
print n " >> " p " = " rshift(n, p)
printf "not %d = 0x%x\n", n, compl(n)
}
| #include <iostream>
void bitwise(int a, int b)
{
std::cout << "a and b: " << (a & b) << '\n';
std::cout << "a or b: " << (a | b) << '\n';
std::cout << "a xor b: " << (a ^ b) << '\n';
std::cout << "not a: " << ~a << '\n';
std::cout << "a shl b: " << (a << b) << '\n';
std::cout << "a shr b: " << (a >> b) << '\n';
unsigned int ua = a;
std::cout << "a lsr b: " << (ua >> b) << '\n';
std::cout << "a rol b: " << std::rotl(ua, b) << '\n';
std::cout << "a ror b: " << std::rotr(ua, b) << '\n';
}
|
Can you help me rewrite this code in Java instead of AWK, keeping it the same logically? | BEGIN {
n = 11
p = 1
print n " or " p " = " or(n,p)
print n " and " p " = " and(n,p)
print n " xor " p " = " xor(n,p)
print n " << " p " = " lshift(n, p)
print n " >> " p " = " rshift(n, p)
printf "not %d = 0x%x\n", n, compl(n)
}
| module BitwiseOps
{
@Inject Console console;
void run()
{
for ((Int64 n1, Int64 n2) : [0=7, 1=5, 42=2, 0x123456789ABCDEF=0xFF])
{
static String hex(Int64 n)
{
return n.toByteArray() [(n.leadingZeroCount / 8).minOf(7) ..< 8].toString();
}
console.print($|For values {n1} ({hex(n1)}) and {n2} ({hex(n2)}):
| {hex(n1)} AND {hex(n2)} = {hex(n1 & n2)}
| {hex(n1)} OR {hex(n2)} = {hex(n1 | n2)}
| {hex(n1)} XOR {hex(n2)} = {hex(n1 ^ n2)}
| NOT {hex(n1)} = {hex(~n1)}
| left shift {hex(n1)} by {n2} = {hex(n1 << n2)}
| right shift {hex(n1)} by {n2} = {hex(n1 >> n2)}
| right arithmetic shift {hex(n1)} by {n2} = {hex(n1 >>> n2)}
| left rotate {hex(n1)} by {n2} = {hex(n1.rotateLeft(n2))}
| right rotate {hex(n1)} by {n2} = {hex(n1.rotateRight(n2))}
| leftmost bit of {hex(n1)} = {hex(n1.leftmostBit)}
| rightmost bit of {hex(n1)} = {hex(n1.rightmostBit)}
| leading zero count of {hex(n1)} = {n1.leadingZeroCount}
| trailing zero count of {hex(n1)} = {n1.trailingZeroCount}
| bit count (aka "population") of {hex(n1)} = {n1.bitCount}
| reversed bits of {hex(n1)} = {hex(n1.reverseBits())}
| reverse bytes of {hex(n1)} = {hex(n1.reverseBytes())}
|
);
}
}
}
|
Please provide an equivalent version of this AWK code in Python. | BEGIN {
n = 11
p = 1
print n " or " p " = " or(n,p)
print n " and " p " = " and(n,p)
print n " xor " p " = " xor(n,p)
print n " << " p " = " lshift(n, p)
print n " >> " p " = " rshift(n, p)
printf "not %d = 0x%x\n", n, compl(n)
}
| def bitwise_built_ins(width, a, b):
mask = (1 << width) - 1
print(f)
def rotr(width, a, n):
"Rotate a, n times to the right"
if n < 0:
return rotl(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return ((a >> n)
| ((a & ((1 << n) - 1))
<< (width - n)))
def rotl(width, a, n):
"Rotate a, n times to the left"
if n < 0:
return rotr(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return (((a << n) & mask)
| (a >> (width - n)))
def asr(width, a, n):
"Arithmetic shift a, n times to the right. (sign preserving)."
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
if n < 0:
return (a << -n) & mask
elif n == 0:
return a
elif n >= width:
return mask if a & top_bit_mask else 0
else:
a = a & mask
if a & top_bit_mask:
signs = (1 << n) - 1
return a >> n | (signs << width - n)
else:
return a >> n
def helper_funcs(width, a):
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
aa = a | top_bit_mask
print(f)
if __name__ == '__main__':
bitwise_built_ins(8, 27, 125)
helper_funcs(8, 27)
|
Write the same algorithm in VB as shown in this AWK implementation. | BEGIN {
n = 11
p = 1
print n " or " p " = " or(n,p)
print n " and " p " = " and(n,p)
print n " xor " p " = " xor(n,p)
print n " << " p " = " lshift(n, p)
print n " >> " p " = " rshift(n, p)
printf "not %d = 0x%x\n", n, compl(n)
}
| Debug.Print Hex(&HF0F0 And &HFF00)
Debug.Print Hex(&HF0F0 Or &HFF00)
Debug.Print Hex(&HF0F0 Xor &HFF00)
Debug.Print Hex(Not &HF0F0)
Debug.Print Hex(&HF0F0 Eqv &HFF00)
Debug.Print Hex(&HF0F0 Imp &HFF00)
|
Convert the following code from AWK to Go, ensuring the logic remains intact. | BEGIN {
n = 11
p = 1
print n " or " p " = " or(n,p)
print n " and " p " = " and(n,p)
print n " xor " p " = " xor(n,p)
print n " << " p " = " lshift(n, p)
print n " >> " p " = " rshift(n, p)
printf "not %d = 0x%x\n", n, compl(n)
}
| package main
import "fmt"
func bitwise(a, b int16) {
fmt.Printf("a: %016b\n", uint16(a))
fmt.Printf("b: %016b\n", uint16(b))
fmt.Printf("and: %016b\n", uint16(a&b))
fmt.Printf("or: %016b\n", uint16(a|b))
fmt.Printf("xor: %016b\n", uint16(a^b))
fmt.Printf("not: %016b\n", uint16(^a))
if b < 0 {
fmt.Println("Right operand is negative, but all shifts require an unsigned right operand (shift distance).")
return
}
ua := uint16(a)
ub := uint32(b)
fmt.Printf("shl: %016b\n", uint16(ua<<ub))
fmt.Printf("shr: %016b\n", uint16(ua>>ub))
fmt.Printf("las: %016b\n", uint16(a<<ub))
fmt.Printf("ras: %016b\n", uint16(a>>ub))
fmt.Printf("rol: %016b\n", uint16(a<<ub|int16(uint16(a)>>(16-ub))))
fmt.Printf("ror: %016b\n", uint16(int16(uint16(a)>>ub)|a<<(16-ub)))
}
func main() {
var a, b int16 = -460, 6
bitwise(a, b)
}
|
Write the same algorithm in C as shown in this BBC_Basic implementation. | number1% = &89ABCDEF
number2% = 8
PRINT ~ number1% AND number2% :
PRINT ~ number1% OR number2% :
PRINT ~ number1% EOR number2% :
PRINT ~ NOT number1% :
PRINT ~ number1% << number2% :
PRINT ~ number1% >>> number2% :
PRINT ~ number1% >> number2% :
PRINT ~ (number1% << number2%) OR (number1% >>> (32-number2%)) :
PRINT ~ (number1% >>> number2%) OR (number1% << (32-number2%)) :
| void bitwise(int a, int b)
{
printf("a and b: %d\n", a & b);
printf("a or b: %d\n", a | b);
printf("a xor b: %d\n", a ^ b);
printf("not a: %d\n", ~a);
printf("a << n: %d\n", a << b);
printf("a >> n: %d\n", a >> b);
unsigned int c = a;
printf("c >> b: %d\n", c >> b);
return 0;
}
|
Rewrite this program in C# while keeping its functionality equivalent to the BBC_Basic version. | number1% = &89ABCDEF
number2% = 8
PRINT ~ number1% AND number2% :
PRINT ~ number1% OR number2% :
PRINT ~ number1% EOR number2% :
PRINT ~ NOT number1% :
PRINT ~ number1% << number2% :
PRINT ~ number1% >>> number2% :
PRINT ~ number1% >> number2% :
PRINT ~ (number1% << number2%) OR (number1% >>> (32-number2%)) :
PRINT ~ (number1% >>> number2%) OR (number1% << (32-number2%)) :
| static void bitwise(int a, int b)
{
Console.WriteLine("a and b is {0}", a & b);
Console.WriteLine("a or b is {0}", a | b);
Console.WriteLine("a xor b is {0}", a ^ b);
Console.WriteLine("not a is {0}", ~a);
Console.WriteLine("a lshift b is {0}", a << b);
Console.WriteLine("a arshift b is {0}", a >> b);
uint c = (uint)a;
Console.WriteLine("c rshift b is {0}", c >> b);
}
|
Translate the given BBC_Basic code snippet into C++ without altering its behavior. | number1% = &89ABCDEF
number2% = 8
PRINT ~ number1% AND number2% :
PRINT ~ number1% OR number2% :
PRINT ~ number1% EOR number2% :
PRINT ~ NOT number1% :
PRINT ~ number1% << number2% :
PRINT ~ number1% >>> number2% :
PRINT ~ number1% >> number2% :
PRINT ~ (number1% << number2%) OR (number1% >>> (32-number2%)) :
PRINT ~ (number1% >>> number2%) OR (number1% << (32-number2%)) :
| #include <iostream>
void bitwise(int a, int b)
{
std::cout << "a and b: " << (a & b) << '\n';
std::cout << "a or b: " << (a | b) << '\n';
std::cout << "a xor b: " << (a ^ b) << '\n';
std::cout << "not a: " << ~a << '\n';
std::cout << "a shl b: " << (a << b) << '\n';
std::cout << "a shr b: " << (a >> b) << '\n';
unsigned int ua = a;
std::cout << "a lsr b: " << (ua >> b) << '\n';
std::cout << "a rol b: " << std::rotl(ua, b) << '\n';
std::cout << "a ror b: " << std::rotr(ua, b) << '\n';
}
|
Convert the following code from BBC_Basic to Java, ensuring the logic remains intact. | number1% = &89ABCDEF
number2% = 8
PRINT ~ number1% AND number2% :
PRINT ~ number1% OR number2% :
PRINT ~ number1% EOR number2% :
PRINT ~ NOT number1% :
PRINT ~ number1% << number2% :
PRINT ~ number1% >>> number2% :
PRINT ~ number1% >> number2% :
PRINT ~ (number1% << number2%) OR (number1% >>> (32-number2%)) :
PRINT ~ (number1% >>> number2%) OR (number1% << (32-number2%)) :
| module BitwiseOps
{
@Inject Console console;
void run()
{
for ((Int64 n1, Int64 n2) : [0=7, 1=5, 42=2, 0x123456789ABCDEF=0xFF])
{
static String hex(Int64 n)
{
return n.toByteArray() [(n.leadingZeroCount / 8).minOf(7) ..< 8].toString();
}
console.print($|For values {n1} ({hex(n1)}) and {n2} ({hex(n2)}):
| {hex(n1)} AND {hex(n2)} = {hex(n1 & n2)}
| {hex(n1)} OR {hex(n2)} = {hex(n1 | n2)}
| {hex(n1)} XOR {hex(n2)} = {hex(n1 ^ n2)}
| NOT {hex(n1)} = {hex(~n1)}
| left shift {hex(n1)} by {n2} = {hex(n1 << n2)}
| right shift {hex(n1)} by {n2} = {hex(n1 >> n2)}
| right arithmetic shift {hex(n1)} by {n2} = {hex(n1 >>> n2)}
| left rotate {hex(n1)} by {n2} = {hex(n1.rotateLeft(n2))}
| right rotate {hex(n1)} by {n2} = {hex(n1.rotateRight(n2))}
| leftmost bit of {hex(n1)} = {hex(n1.leftmostBit)}
| rightmost bit of {hex(n1)} = {hex(n1.rightmostBit)}
| leading zero count of {hex(n1)} = {n1.leadingZeroCount}
| trailing zero count of {hex(n1)} = {n1.trailingZeroCount}
| bit count (aka "population") of {hex(n1)} = {n1.bitCount}
| reversed bits of {hex(n1)} = {hex(n1.reverseBits())}
| reverse bytes of {hex(n1)} = {hex(n1.reverseBytes())}
|
);
}
}
}
|
Write a version of this BBC_Basic function in Python with identical behavior. | number1% = &89ABCDEF
number2% = 8
PRINT ~ number1% AND number2% :
PRINT ~ number1% OR number2% :
PRINT ~ number1% EOR number2% :
PRINT ~ NOT number1% :
PRINT ~ number1% << number2% :
PRINT ~ number1% >>> number2% :
PRINT ~ number1% >> number2% :
PRINT ~ (number1% << number2%) OR (number1% >>> (32-number2%)) :
PRINT ~ (number1% >>> number2%) OR (number1% << (32-number2%)) :
| def bitwise_built_ins(width, a, b):
mask = (1 << width) - 1
print(f)
def rotr(width, a, n):
"Rotate a, n times to the right"
if n < 0:
return rotl(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return ((a >> n)
| ((a & ((1 << n) - 1))
<< (width - n)))
def rotl(width, a, n):
"Rotate a, n times to the left"
if n < 0:
return rotr(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return (((a << n) & mask)
| (a >> (width - n)))
def asr(width, a, n):
"Arithmetic shift a, n times to the right. (sign preserving)."
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
if n < 0:
return (a << -n) & mask
elif n == 0:
return a
elif n >= width:
return mask if a & top_bit_mask else 0
else:
a = a & mask
if a & top_bit_mask:
signs = (1 << n) - 1
return a >> n | (signs << width - n)
else:
return a >> n
def helper_funcs(width, a):
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
aa = a | top_bit_mask
print(f)
if __name__ == '__main__':
bitwise_built_ins(8, 27, 125)
helper_funcs(8, 27)
|
Generate a VB translation of this BBC_Basic snippet without changing its computational steps. | number1% = &89ABCDEF
number2% = 8
PRINT ~ number1% AND number2% :
PRINT ~ number1% OR number2% :
PRINT ~ number1% EOR number2% :
PRINT ~ NOT number1% :
PRINT ~ number1% << number2% :
PRINT ~ number1% >>> number2% :
PRINT ~ number1% >> number2% :
PRINT ~ (number1% << number2%) OR (number1% >>> (32-number2%)) :
PRINT ~ (number1% >>> number2%) OR (number1% << (32-number2%)) :
| Debug.Print Hex(&HF0F0 And &HFF00)
Debug.Print Hex(&HF0F0 Or &HFF00)
Debug.Print Hex(&HF0F0 Xor &HFF00)
Debug.Print Hex(Not &HF0F0)
Debug.Print Hex(&HF0F0 Eqv &HFF00)
Debug.Print Hex(&HF0F0 Imp &HFF00)
|
Rewrite this program in Go while keeping its functionality equivalent to the BBC_Basic version. | number1% = &89ABCDEF
number2% = 8
PRINT ~ number1% AND number2% :
PRINT ~ number1% OR number2% :
PRINT ~ number1% EOR number2% :
PRINT ~ NOT number1% :
PRINT ~ number1% << number2% :
PRINT ~ number1% >>> number2% :
PRINT ~ number1% >> number2% :
PRINT ~ (number1% << number2%) OR (number1% >>> (32-number2%)) :
PRINT ~ (number1% >>> number2%) OR (number1% << (32-number2%)) :
| package main
import "fmt"
func bitwise(a, b int16) {
fmt.Printf("a: %016b\n", uint16(a))
fmt.Printf("b: %016b\n", uint16(b))
fmt.Printf("and: %016b\n", uint16(a&b))
fmt.Printf("or: %016b\n", uint16(a|b))
fmt.Printf("xor: %016b\n", uint16(a^b))
fmt.Printf("not: %016b\n", uint16(^a))
if b < 0 {
fmt.Println("Right operand is negative, but all shifts require an unsigned right operand (shift distance).")
return
}
ua := uint16(a)
ub := uint32(b)
fmt.Printf("shl: %016b\n", uint16(ua<<ub))
fmt.Printf("shr: %016b\n", uint16(ua>>ub))
fmt.Printf("las: %016b\n", uint16(a<<ub))
fmt.Printf("ras: %016b\n", uint16(a>>ub))
fmt.Printf("rol: %016b\n", uint16(a<<ub|int16(uint16(a)>>(16-ub))))
fmt.Printf("ror: %016b\n", uint16(int16(uint16(a)>>ub)|a<<(16-ub)))
}
func main() {
var a, b int16 = -460, 6
bitwise(a, b)
}
|
Convert this Common_Lisp snippet to C and keep its semantics consistent. | (defun bitwise (a b)
(list (logand a b)
(logior a b)
(logxor a b)
(lognot a)
(ash a b)
(ash a (- b))))
| void bitwise(int a, int b)
{
printf("a and b: %d\n", a & b);
printf("a or b: %d\n", a | b);
printf("a xor b: %d\n", a ^ b);
printf("not a: %d\n", ~a);
printf("a << n: %d\n", a << b);
printf("a >> n: %d\n", a >> b);
unsigned int c = a;
printf("c >> b: %d\n", c >> b);
return 0;
}
|
Port the following code from Common_Lisp to C# with equivalent syntax and logic. | (defun bitwise (a b)
(list (logand a b)
(logior a b)
(logxor a b)
(lognot a)
(ash a b)
(ash a (- b))))
| static void bitwise(int a, int b)
{
Console.WriteLine("a and b is {0}", a & b);
Console.WriteLine("a or b is {0}", a | b);
Console.WriteLine("a xor b is {0}", a ^ b);
Console.WriteLine("not a is {0}", ~a);
Console.WriteLine("a lshift b is {0}", a << b);
Console.WriteLine("a arshift b is {0}", a >> b);
uint c = (uint)a;
Console.WriteLine("c rshift b is {0}", c >> b);
}
|
Convert the following code from Common_Lisp to C++, ensuring the logic remains intact. | (defun bitwise (a b)
(list (logand a b)
(logior a b)
(logxor a b)
(lognot a)
(ash a b)
(ash a (- b))))
| #include <iostream>
void bitwise(int a, int b)
{
std::cout << "a and b: " << (a & b) << '\n';
std::cout << "a or b: " << (a | b) << '\n';
std::cout << "a xor b: " << (a ^ b) << '\n';
std::cout << "not a: " << ~a << '\n';
std::cout << "a shl b: " << (a << b) << '\n';
std::cout << "a shr b: " << (a >> b) << '\n';
unsigned int ua = a;
std::cout << "a lsr b: " << (ua >> b) << '\n';
std::cout << "a rol b: " << std::rotl(ua, b) << '\n';
std::cout << "a ror b: " << std::rotr(ua, b) << '\n';
}
|
Convert the following code from Common_Lisp to Java, ensuring the logic remains intact. | (defun bitwise (a b)
(list (logand a b)
(logior a b)
(logxor a b)
(lognot a)
(ash a b)
(ash a (- b))))
| module BitwiseOps
{
@Inject Console console;
void run()
{
for ((Int64 n1, Int64 n2) : [0=7, 1=5, 42=2, 0x123456789ABCDEF=0xFF])
{
static String hex(Int64 n)
{
return n.toByteArray() [(n.leadingZeroCount / 8).minOf(7) ..< 8].toString();
}
console.print($|For values {n1} ({hex(n1)}) and {n2} ({hex(n2)}):
| {hex(n1)} AND {hex(n2)} = {hex(n1 & n2)}
| {hex(n1)} OR {hex(n2)} = {hex(n1 | n2)}
| {hex(n1)} XOR {hex(n2)} = {hex(n1 ^ n2)}
| NOT {hex(n1)} = {hex(~n1)}
| left shift {hex(n1)} by {n2} = {hex(n1 << n2)}
| right shift {hex(n1)} by {n2} = {hex(n1 >> n2)}
| right arithmetic shift {hex(n1)} by {n2} = {hex(n1 >>> n2)}
| left rotate {hex(n1)} by {n2} = {hex(n1.rotateLeft(n2))}
| right rotate {hex(n1)} by {n2} = {hex(n1.rotateRight(n2))}
| leftmost bit of {hex(n1)} = {hex(n1.leftmostBit)}
| rightmost bit of {hex(n1)} = {hex(n1.rightmostBit)}
| leading zero count of {hex(n1)} = {n1.leadingZeroCount}
| trailing zero count of {hex(n1)} = {n1.trailingZeroCount}
| bit count (aka "population") of {hex(n1)} = {n1.bitCount}
| reversed bits of {hex(n1)} = {hex(n1.reverseBits())}
| reverse bytes of {hex(n1)} = {hex(n1.reverseBytes())}
|
);
}
}
}
|
Ensure the translated Python code behaves exactly like the original Common_Lisp snippet. | (defun bitwise (a b)
(list (logand a b)
(logior a b)
(logxor a b)
(lognot a)
(ash a b)
(ash a (- b))))
| def bitwise_built_ins(width, a, b):
mask = (1 << width) - 1
print(f)
def rotr(width, a, n):
"Rotate a, n times to the right"
if n < 0:
return rotl(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return ((a >> n)
| ((a & ((1 << n) - 1))
<< (width - n)))
def rotl(width, a, n):
"Rotate a, n times to the left"
if n < 0:
return rotr(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return (((a << n) & mask)
| (a >> (width - n)))
def asr(width, a, n):
"Arithmetic shift a, n times to the right. (sign preserving)."
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
if n < 0:
return (a << -n) & mask
elif n == 0:
return a
elif n >= width:
return mask if a & top_bit_mask else 0
else:
a = a & mask
if a & top_bit_mask:
signs = (1 << n) - 1
return a >> n | (signs << width - n)
else:
return a >> n
def helper_funcs(width, a):
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
aa = a | top_bit_mask
print(f)
if __name__ == '__main__':
bitwise_built_ins(8, 27, 125)
helper_funcs(8, 27)
|
Port the following code from Common_Lisp to VB with equivalent syntax and logic. | (defun bitwise (a b)
(list (logand a b)
(logior a b)
(logxor a b)
(lognot a)
(ash a b)
(ash a (- b))))
| Debug.Print Hex(&HF0F0 And &HFF00)
Debug.Print Hex(&HF0F0 Or &HFF00)
Debug.Print Hex(&HF0F0 Xor &HFF00)
Debug.Print Hex(Not &HF0F0)
Debug.Print Hex(&HF0F0 Eqv &HFF00)
Debug.Print Hex(&HF0F0 Imp &HFF00)
|
Rewrite this program in Go while keeping its functionality equivalent to the Common_Lisp version. | (defun bitwise (a b)
(list (logand a b)
(logior a b)
(logxor a b)
(lognot a)
(ash a b)
(ash a (- b))))
| package main
import "fmt"
func bitwise(a, b int16) {
fmt.Printf("a: %016b\n", uint16(a))
fmt.Printf("b: %016b\n", uint16(b))
fmt.Printf("and: %016b\n", uint16(a&b))
fmt.Printf("or: %016b\n", uint16(a|b))
fmt.Printf("xor: %016b\n", uint16(a^b))
fmt.Printf("not: %016b\n", uint16(^a))
if b < 0 {
fmt.Println("Right operand is negative, but all shifts require an unsigned right operand (shift distance).")
return
}
ua := uint16(a)
ub := uint32(b)
fmt.Printf("shl: %016b\n", uint16(ua<<ub))
fmt.Printf("shr: %016b\n", uint16(ua>>ub))
fmt.Printf("las: %016b\n", uint16(a<<ub))
fmt.Printf("ras: %016b\n", uint16(a>>ub))
fmt.Printf("rol: %016b\n", uint16(a<<ub|int16(uint16(a)>>(16-ub))))
fmt.Printf("ror: %016b\n", uint16(int16(uint16(a)>>ub)|a<<(16-ub)))
}
func main() {
var a, b int16 = -460, 6
bitwise(a, b)
}
|
Translate the given D code snippet into C without altering its behavior. | T rot(T)(in T x, in int shift) pure nothrow @nogc {
return (x >>> shift) | (x << (T.sizeof * 8 - shift));
}
void testBit(in int a, in int b) {
import std.stdio;
writefln("Input: a = %d, b = %d", a, b);
writefln("AND : %8b & %08b = %032b (%4d)", a, b, a & b, a & b);
writefln(" OR : %8b | %08b = %032b (%4d)", a, b, a | b, a | b);
writefln("XOR : %8b ^ %08b = %032b (%4d)", a, b, a ^ b, a ^ b);
writefln("LSH : %8b << %08b = %032b (%4d)", a, b, a << b, a << b);
writefln("RSH : %8b >> %08b = %032b (%4d)", a, b, a >> b, a >> b);
writefln("NOT : %8s ~ %08b = %032b (%4d)", "", a, ~a, ~a);
writefln("ROT : rot(%8b, %d) = %032b (%4d)",
a, b, rot(a, b), rot(a, b));
}
void main() {
immutable int a = 0b_1111_1111;
immutable int b = 0b_0000_0010;
testBit(a, b);
}
| void bitwise(int a, int b)
{
printf("a and b: %d\n", a & b);
printf("a or b: %d\n", a | b);
printf("a xor b: %d\n", a ^ b);
printf("not a: %d\n", ~a);
printf("a << n: %d\n", a << b);
printf("a >> n: %d\n", a >> b);
unsigned int c = a;
printf("c >> b: %d\n", c >> b);
return 0;
}
|
Rewrite the snippet below in C# so it works the same as the original D code. | T rot(T)(in T x, in int shift) pure nothrow @nogc {
return (x >>> shift) | (x << (T.sizeof * 8 - shift));
}
void testBit(in int a, in int b) {
import std.stdio;
writefln("Input: a = %d, b = %d", a, b);
writefln("AND : %8b & %08b = %032b (%4d)", a, b, a & b, a & b);
writefln(" OR : %8b | %08b = %032b (%4d)", a, b, a | b, a | b);
writefln("XOR : %8b ^ %08b = %032b (%4d)", a, b, a ^ b, a ^ b);
writefln("LSH : %8b << %08b = %032b (%4d)", a, b, a << b, a << b);
writefln("RSH : %8b >> %08b = %032b (%4d)", a, b, a >> b, a >> b);
writefln("NOT : %8s ~ %08b = %032b (%4d)", "", a, ~a, ~a);
writefln("ROT : rot(%8b, %d) = %032b (%4d)",
a, b, rot(a, b), rot(a, b));
}
void main() {
immutable int a = 0b_1111_1111;
immutable int b = 0b_0000_0010;
testBit(a, b);
}
| static void bitwise(int a, int b)
{
Console.WriteLine("a and b is {0}", a & b);
Console.WriteLine("a or b is {0}", a | b);
Console.WriteLine("a xor b is {0}", a ^ b);
Console.WriteLine("not a is {0}", ~a);
Console.WriteLine("a lshift b is {0}", a << b);
Console.WriteLine("a arshift b is {0}", a >> b);
uint c = (uint)a;
Console.WriteLine("c rshift b is {0}", c >> b);
}
|
Convert this D block to C++, preserving its control flow and logic. | T rot(T)(in T x, in int shift) pure nothrow @nogc {
return (x >>> shift) | (x << (T.sizeof * 8 - shift));
}
void testBit(in int a, in int b) {
import std.stdio;
writefln("Input: a = %d, b = %d", a, b);
writefln("AND : %8b & %08b = %032b (%4d)", a, b, a & b, a & b);
writefln(" OR : %8b | %08b = %032b (%4d)", a, b, a | b, a | b);
writefln("XOR : %8b ^ %08b = %032b (%4d)", a, b, a ^ b, a ^ b);
writefln("LSH : %8b << %08b = %032b (%4d)", a, b, a << b, a << b);
writefln("RSH : %8b >> %08b = %032b (%4d)", a, b, a >> b, a >> b);
writefln("NOT : %8s ~ %08b = %032b (%4d)", "", a, ~a, ~a);
writefln("ROT : rot(%8b, %d) = %032b (%4d)",
a, b, rot(a, b), rot(a, b));
}
void main() {
immutable int a = 0b_1111_1111;
immutable int b = 0b_0000_0010;
testBit(a, b);
}
| #include <iostream>
void bitwise(int a, int b)
{
std::cout << "a and b: " << (a & b) << '\n';
std::cout << "a or b: " << (a | b) << '\n';
std::cout << "a xor b: " << (a ^ b) << '\n';
std::cout << "not a: " << ~a << '\n';
std::cout << "a shl b: " << (a << b) << '\n';
std::cout << "a shr b: " << (a >> b) << '\n';
unsigned int ua = a;
std::cout << "a lsr b: " << (ua >> b) << '\n';
std::cout << "a rol b: " << std::rotl(ua, b) << '\n';
std::cout << "a ror b: " << std::rotr(ua, b) << '\n';
}
|
Write the same algorithm in Java as shown in this D implementation. | T rot(T)(in T x, in int shift) pure nothrow @nogc {
return (x >>> shift) | (x << (T.sizeof * 8 - shift));
}
void testBit(in int a, in int b) {
import std.stdio;
writefln("Input: a = %d, b = %d", a, b);
writefln("AND : %8b & %08b = %032b (%4d)", a, b, a & b, a & b);
writefln(" OR : %8b | %08b = %032b (%4d)", a, b, a | b, a | b);
writefln("XOR : %8b ^ %08b = %032b (%4d)", a, b, a ^ b, a ^ b);
writefln("LSH : %8b << %08b = %032b (%4d)", a, b, a << b, a << b);
writefln("RSH : %8b >> %08b = %032b (%4d)", a, b, a >> b, a >> b);
writefln("NOT : %8s ~ %08b = %032b (%4d)", "", a, ~a, ~a);
writefln("ROT : rot(%8b, %d) = %032b (%4d)",
a, b, rot(a, b), rot(a, b));
}
void main() {
immutable int a = 0b_1111_1111;
immutable int b = 0b_0000_0010;
testBit(a, b);
}
| module BitwiseOps
{
@Inject Console console;
void run()
{
for ((Int64 n1, Int64 n2) : [0=7, 1=5, 42=2, 0x123456789ABCDEF=0xFF])
{
static String hex(Int64 n)
{
return n.toByteArray() [(n.leadingZeroCount / 8).minOf(7) ..< 8].toString();
}
console.print($|For values {n1} ({hex(n1)}) and {n2} ({hex(n2)}):
| {hex(n1)} AND {hex(n2)} = {hex(n1 & n2)}
| {hex(n1)} OR {hex(n2)} = {hex(n1 | n2)}
| {hex(n1)} XOR {hex(n2)} = {hex(n1 ^ n2)}
| NOT {hex(n1)} = {hex(~n1)}
| left shift {hex(n1)} by {n2} = {hex(n1 << n2)}
| right shift {hex(n1)} by {n2} = {hex(n1 >> n2)}
| right arithmetic shift {hex(n1)} by {n2} = {hex(n1 >>> n2)}
| left rotate {hex(n1)} by {n2} = {hex(n1.rotateLeft(n2))}
| right rotate {hex(n1)} by {n2} = {hex(n1.rotateRight(n2))}
| leftmost bit of {hex(n1)} = {hex(n1.leftmostBit)}
| rightmost bit of {hex(n1)} = {hex(n1.rightmostBit)}
| leading zero count of {hex(n1)} = {n1.leadingZeroCount}
| trailing zero count of {hex(n1)} = {n1.trailingZeroCount}
| bit count (aka "population") of {hex(n1)} = {n1.bitCount}
| reversed bits of {hex(n1)} = {hex(n1.reverseBits())}
| reverse bytes of {hex(n1)} = {hex(n1.reverseBytes())}
|
);
}
}
}
|
Generate a Python translation of this D snippet without changing its computational steps. | T rot(T)(in T x, in int shift) pure nothrow @nogc {
return (x >>> shift) | (x << (T.sizeof * 8 - shift));
}
void testBit(in int a, in int b) {
import std.stdio;
writefln("Input: a = %d, b = %d", a, b);
writefln("AND : %8b & %08b = %032b (%4d)", a, b, a & b, a & b);
writefln(" OR : %8b | %08b = %032b (%4d)", a, b, a | b, a | b);
writefln("XOR : %8b ^ %08b = %032b (%4d)", a, b, a ^ b, a ^ b);
writefln("LSH : %8b << %08b = %032b (%4d)", a, b, a << b, a << b);
writefln("RSH : %8b >> %08b = %032b (%4d)", a, b, a >> b, a >> b);
writefln("NOT : %8s ~ %08b = %032b (%4d)", "", a, ~a, ~a);
writefln("ROT : rot(%8b, %d) = %032b (%4d)",
a, b, rot(a, b), rot(a, b));
}
void main() {
immutable int a = 0b_1111_1111;
immutable int b = 0b_0000_0010;
testBit(a, b);
}
| def bitwise_built_ins(width, a, b):
mask = (1 << width) - 1
print(f)
def rotr(width, a, n):
"Rotate a, n times to the right"
if n < 0:
return rotl(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return ((a >> n)
| ((a & ((1 << n) - 1))
<< (width - n)))
def rotl(width, a, n):
"Rotate a, n times to the left"
if n < 0:
return rotr(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return (((a << n) & mask)
| (a >> (width - n)))
def asr(width, a, n):
"Arithmetic shift a, n times to the right. (sign preserving)."
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
if n < 0:
return (a << -n) & mask
elif n == 0:
return a
elif n >= width:
return mask if a & top_bit_mask else 0
else:
a = a & mask
if a & top_bit_mask:
signs = (1 << n) - 1
return a >> n | (signs << width - n)
else:
return a >> n
def helper_funcs(width, a):
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
aa = a | top_bit_mask
print(f)
if __name__ == '__main__':
bitwise_built_ins(8, 27, 125)
helper_funcs(8, 27)
|
Translate the given D code snippet into VB without altering its behavior. | T rot(T)(in T x, in int shift) pure nothrow @nogc {
return (x >>> shift) | (x << (T.sizeof * 8 - shift));
}
void testBit(in int a, in int b) {
import std.stdio;
writefln("Input: a = %d, b = %d", a, b);
writefln("AND : %8b & %08b = %032b (%4d)", a, b, a & b, a & b);
writefln(" OR : %8b | %08b = %032b (%4d)", a, b, a | b, a | b);
writefln("XOR : %8b ^ %08b = %032b (%4d)", a, b, a ^ b, a ^ b);
writefln("LSH : %8b << %08b = %032b (%4d)", a, b, a << b, a << b);
writefln("RSH : %8b >> %08b = %032b (%4d)", a, b, a >> b, a >> b);
writefln("NOT : %8s ~ %08b = %032b (%4d)", "", a, ~a, ~a);
writefln("ROT : rot(%8b, %d) = %032b (%4d)",
a, b, rot(a, b), rot(a, b));
}
void main() {
immutable int a = 0b_1111_1111;
immutable int b = 0b_0000_0010;
testBit(a, b);
}
| Debug.Print Hex(&HF0F0 And &HFF00)
Debug.Print Hex(&HF0F0 Or &HFF00)
Debug.Print Hex(&HF0F0 Xor &HFF00)
Debug.Print Hex(Not &HF0F0)
Debug.Print Hex(&HF0F0 Eqv &HFF00)
Debug.Print Hex(&HF0F0 Imp &HFF00)
|
Change the following D code into Go without altering its purpose. | T rot(T)(in T x, in int shift) pure nothrow @nogc {
return (x >>> shift) | (x << (T.sizeof * 8 - shift));
}
void testBit(in int a, in int b) {
import std.stdio;
writefln("Input: a = %d, b = %d", a, b);
writefln("AND : %8b & %08b = %032b (%4d)", a, b, a & b, a & b);
writefln(" OR : %8b | %08b = %032b (%4d)", a, b, a | b, a | b);
writefln("XOR : %8b ^ %08b = %032b (%4d)", a, b, a ^ b, a ^ b);
writefln("LSH : %8b << %08b = %032b (%4d)", a, b, a << b, a << b);
writefln("RSH : %8b >> %08b = %032b (%4d)", a, b, a >> b, a >> b);
writefln("NOT : %8s ~ %08b = %032b (%4d)", "", a, ~a, ~a);
writefln("ROT : rot(%8b, %d) = %032b (%4d)",
a, b, rot(a, b), rot(a, b));
}
void main() {
immutable int a = 0b_1111_1111;
immutable int b = 0b_0000_0010;
testBit(a, b);
}
| package main
import "fmt"
func bitwise(a, b int16) {
fmt.Printf("a: %016b\n", uint16(a))
fmt.Printf("b: %016b\n", uint16(b))
fmt.Printf("and: %016b\n", uint16(a&b))
fmt.Printf("or: %016b\n", uint16(a|b))
fmt.Printf("xor: %016b\n", uint16(a^b))
fmt.Printf("not: %016b\n", uint16(^a))
if b < 0 {
fmt.Println("Right operand is negative, but all shifts require an unsigned right operand (shift distance).")
return
}
ua := uint16(a)
ub := uint32(b)
fmt.Printf("shl: %016b\n", uint16(ua<<ub))
fmt.Printf("shr: %016b\n", uint16(ua>>ub))
fmt.Printf("las: %016b\n", uint16(a<<ub))
fmt.Printf("ras: %016b\n", uint16(a>>ub))
fmt.Printf("rol: %016b\n", uint16(a<<ub|int16(uint16(a)>>(16-ub))))
fmt.Printf("ror: %016b\n", uint16(int16(uint16(a)>>ub)|a<<(16-ub)))
}
func main() {
var a, b int16 = -460, 6
bitwise(a, b)
}
|
Preserve the algorithm and functionality while converting the code from Delphi to C. | program Bitwise;
begin
Writeln('2 and 3 = ', 2 and 3);
Writeln('2 or 3 = ', 2 or 3);
Writeln('2 xor 3 = ', 2 xor 3);
Writeln('not 2 = ', not 2);
Writeln('2 shl 3 = ', 2 shl 3);
Writeln('2 shr 3 = ', 2 shr 3);
Readln;
end.
| void bitwise(int a, int b)
{
printf("a and b: %d\n", a & b);
printf("a or b: %d\n", a | b);
printf("a xor b: %d\n", a ^ b);
printf("not a: %d\n", ~a);
printf("a << n: %d\n", a << b);
printf("a >> n: %d\n", a >> b);
unsigned int c = a;
printf("c >> b: %d\n", c >> b);
return 0;
}
|
Write the same algorithm in C# as shown in this Delphi implementation. | program Bitwise;
begin
Writeln('2 and 3 = ', 2 and 3);
Writeln('2 or 3 = ', 2 or 3);
Writeln('2 xor 3 = ', 2 xor 3);
Writeln('not 2 = ', not 2);
Writeln('2 shl 3 = ', 2 shl 3);
Writeln('2 shr 3 = ', 2 shr 3);
Readln;
end.
| static void bitwise(int a, int b)
{
Console.WriteLine("a and b is {0}", a & b);
Console.WriteLine("a or b is {0}", a | b);
Console.WriteLine("a xor b is {0}", a ^ b);
Console.WriteLine("not a is {0}", ~a);
Console.WriteLine("a lshift b is {0}", a << b);
Console.WriteLine("a arshift b is {0}", a >> b);
uint c = (uint)a;
Console.WriteLine("c rshift b is {0}", c >> b);
}
|
Port the following code from Delphi to C++ with equivalent syntax and logic. | program Bitwise;
begin
Writeln('2 and 3 = ', 2 and 3);
Writeln('2 or 3 = ', 2 or 3);
Writeln('2 xor 3 = ', 2 xor 3);
Writeln('not 2 = ', not 2);
Writeln('2 shl 3 = ', 2 shl 3);
Writeln('2 shr 3 = ', 2 shr 3);
Readln;
end.
| #include <iostream>
void bitwise(int a, int b)
{
std::cout << "a and b: " << (a & b) << '\n';
std::cout << "a or b: " << (a | b) << '\n';
std::cout << "a xor b: " << (a ^ b) << '\n';
std::cout << "not a: " << ~a << '\n';
std::cout << "a shl b: " << (a << b) << '\n';
std::cout << "a shr b: " << (a >> b) << '\n';
unsigned int ua = a;
std::cout << "a lsr b: " << (ua >> b) << '\n';
std::cout << "a rol b: " << std::rotl(ua, b) << '\n';
std::cout << "a ror b: " << std::rotr(ua, b) << '\n';
}
|
Ensure the translated Java code behaves exactly like the original Delphi snippet. | program Bitwise;
begin
Writeln('2 and 3 = ', 2 and 3);
Writeln('2 or 3 = ', 2 or 3);
Writeln('2 xor 3 = ', 2 xor 3);
Writeln('not 2 = ', not 2);
Writeln('2 shl 3 = ', 2 shl 3);
Writeln('2 shr 3 = ', 2 shr 3);
Readln;
end.
| module BitwiseOps
{
@Inject Console console;
void run()
{
for ((Int64 n1, Int64 n2) : [0=7, 1=5, 42=2, 0x123456789ABCDEF=0xFF])
{
static String hex(Int64 n)
{
return n.toByteArray() [(n.leadingZeroCount / 8).minOf(7) ..< 8].toString();
}
console.print($|For values {n1} ({hex(n1)}) and {n2} ({hex(n2)}):
| {hex(n1)} AND {hex(n2)} = {hex(n1 & n2)}
| {hex(n1)} OR {hex(n2)} = {hex(n1 | n2)}
| {hex(n1)} XOR {hex(n2)} = {hex(n1 ^ n2)}
| NOT {hex(n1)} = {hex(~n1)}
| left shift {hex(n1)} by {n2} = {hex(n1 << n2)}
| right shift {hex(n1)} by {n2} = {hex(n1 >> n2)}
| right arithmetic shift {hex(n1)} by {n2} = {hex(n1 >>> n2)}
| left rotate {hex(n1)} by {n2} = {hex(n1.rotateLeft(n2))}
| right rotate {hex(n1)} by {n2} = {hex(n1.rotateRight(n2))}
| leftmost bit of {hex(n1)} = {hex(n1.leftmostBit)}
| rightmost bit of {hex(n1)} = {hex(n1.rightmostBit)}
| leading zero count of {hex(n1)} = {n1.leadingZeroCount}
| trailing zero count of {hex(n1)} = {n1.trailingZeroCount}
| bit count (aka "population") of {hex(n1)} = {n1.bitCount}
| reversed bits of {hex(n1)} = {hex(n1.reverseBits())}
| reverse bytes of {hex(n1)} = {hex(n1.reverseBytes())}
|
);
}
}
}
|
Write a version of this Delphi function in Python with identical behavior. | program Bitwise;
begin
Writeln('2 and 3 = ', 2 and 3);
Writeln('2 or 3 = ', 2 or 3);
Writeln('2 xor 3 = ', 2 xor 3);
Writeln('not 2 = ', not 2);
Writeln('2 shl 3 = ', 2 shl 3);
Writeln('2 shr 3 = ', 2 shr 3);
Readln;
end.
| def bitwise_built_ins(width, a, b):
mask = (1 << width) - 1
print(f)
def rotr(width, a, n):
"Rotate a, n times to the right"
if n < 0:
return rotl(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return ((a >> n)
| ((a & ((1 << n) - 1))
<< (width - n)))
def rotl(width, a, n):
"Rotate a, n times to the left"
if n < 0:
return rotr(width, a, -n)
elif n == 0:
return a
else:
mask = (1 << width) - 1
a, n = a & mask, n % width
return (((a << n) & mask)
| (a >> (width - n)))
def asr(width, a, n):
"Arithmetic shift a, n times to the right. (sign preserving)."
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
if n < 0:
return (a << -n) & mask
elif n == 0:
return a
elif n >= width:
return mask if a & top_bit_mask else 0
else:
a = a & mask
if a & top_bit_mask:
signs = (1 << n) - 1
return a >> n | (signs << width - n)
else:
return a >> n
def helper_funcs(width, a):
mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1)
aa = a | top_bit_mask
print(f)
if __name__ == '__main__':
bitwise_built_ins(8, 27, 125)
helper_funcs(8, 27)
|
Keep all operations the same but rewrite the snippet in VB. | program Bitwise;
begin
Writeln('2 and 3 = ', 2 and 3);
Writeln('2 or 3 = ', 2 or 3);
Writeln('2 xor 3 = ', 2 xor 3);
Writeln('not 2 = ', not 2);
Writeln('2 shl 3 = ', 2 shl 3);
Writeln('2 shr 3 = ', 2 shr 3);
Readln;
end.
| Debug.Print Hex(&HF0F0 And &HFF00)
Debug.Print Hex(&HF0F0 Or &HFF00)
Debug.Print Hex(&HF0F0 Xor &HFF00)
Debug.Print Hex(Not &HF0F0)
Debug.Print Hex(&HF0F0 Eqv &HFF00)
Debug.Print Hex(&HF0F0 Imp &HFF00)
|
Rewrite this program in Go while keeping its functionality equivalent to the Delphi version. | program Bitwise;
begin
Writeln('2 and 3 = ', 2 and 3);
Writeln('2 or 3 = ', 2 or 3);
Writeln('2 xor 3 = ', 2 xor 3);
Writeln('not 2 = ', not 2);
Writeln('2 shl 3 = ', 2 shl 3);
Writeln('2 shr 3 = ', 2 shr 3);
Readln;
end.
| package main
import "fmt"
func bitwise(a, b int16) {
fmt.Printf("a: %016b\n", uint16(a))
fmt.Printf("b: %016b\n", uint16(b))
fmt.Printf("and: %016b\n", uint16(a&b))
fmt.Printf("or: %016b\n", uint16(a|b))
fmt.Printf("xor: %016b\n", uint16(a^b))
fmt.Printf("not: %016b\n", uint16(^a))
if b < 0 {
fmt.Println("Right operand is negative, but all shifts require an unsigned right operand (shift distance).")
return
}
ua := uint16(a)
ub := uint32(b)
fmt.Printf("shl: %016b\n", uint16(ua<<ub))
fmt.Printf("shr: %016b\n", uint16(ua>>ub))
fmt.Printf("las: %016b\n", uint16(a<<ub))
fmt.Printf("ras: %016b\n", uint16(a>>ub))
fmt.Printf("rol: %016b\n", uint16(a<<ub|int16(uint16(a)>>(16-ub))))
fmt.Printf("ror: %016b\n", uint16(int16(uint16(a)>>ub)|a<<(16-ub)))
}
func main() {
var a, b int16 = -460, 6
bitwise(a, b)
}
|
Please provide an equivalent version of this Elixir code in C. | defmodule Bitwise_operation do
use Bitwise
def test(a \\ 255, b \\ 170, c \\ 2) do
IO.puts "Bitwise function:"
IO.puts "band(
IO.puts "bor(
IO.puts "bxor(
IO.puts "bnot(
IO.puts "bsl(
IO.puts "bsr(
IO.puts "\nBitwise as operator:"
IO.puts "
IO.puts "
IO.puts "
IO.puts "~~~
IO.puts "
IO.puts "
end
end
Bitwise_operation.test
| void bitwise(int a, int b)
{
printf("a and b: %d\n", a & b);
printf("a or b: %d\n", a | b);
printf("a xor b: %d\n", a ^ b);
printf("not a: %d\n", ~a);
printf("a << n: %d\n", a << b);
printf("a >> n: %d\n", a >> b);
unsigned int c = a;
printf("c >> b: %d\n", c >> b);
return 0;
}
|
Write the same algorithm in C++ as shown in this Elixir implementation. | defmodule Bitwise_operation do
use Bitwise
def test(a \\ 255, b \\ 170, c \\ 2) do
IO.puts "Bitwise function:"
IO.puts "band(
IO.puts "bor(
IO.puts "bxor(
IO.puts "bnot(
IO.puts "bsl(
IO.puts "bsr(
IO.puts "\nBitwise as operator:"
IO.puts "
IO.puts "
IO.puts "
IO.puts "~~~
IO.puts "
IO.puts "
end
end
Bitwise_operation.test
| #include <iostream>
void bitwise(int a, int b)
{
std::cout << "a and b: " << (a & b) << '\n';
std::cout << "a or b: " << (a | b) << '\n';
std::cout << "a xor b: " << (a ^ b) << '\n';
std::cout << "not a: " << ~a << '\n';
std::cout << "a shl b: " << (a << b) << '\n';
std::cout << "a shr b: " << (a >> b) << '\n';
unsigned int ua = a;
std::cout << "a lsr b: " << (ua >> b) << '\n';
std::cout << "a rol b: " << std::rotl(ua, b) << '\n';
std::cout << "a ror b: " << std::rotr(ua, b) << '\n';
}
|
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