43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#include "hsv.h"
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#include <stdio.h>
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#include <math.h>
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#define FAIL -1
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#define OK 0
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int test_conv(int r, int g, int b, double tolerance) {
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vec3 rgb = {r/255.0, g/255.0, b/255.0};
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double hsv[3];
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vec3 out;
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int test[3];
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rgb_to_hsv(rgb, hsv);
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hsv_to_rgb(hsv, out);
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test[0] = rintf(out[0]*255.0);
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test[1] = rintf(out[1]*255.0);
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test[2] = rintf(out[2]*255.0);
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if(fabs(rgb[0] - out[0]) > tolerance || fabs(rgb[1] - out[1]) > tolerance || fabs(rgb[2] - out[2]) > tolerance || r != test[0] || g != test[1] || b != test[2]) {
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fprintf(stderr, "FAIL:\t#%02X%02X%02X -> #%02X%02X%02X\nIN:\t(%.12f %.12f %.12f)\nOUT:\t(%.12f %.12f %.12f)\nMULT:\t(%.12f %.12f %.12f)\n",
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r, g, b,
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test[0], test[1], test[2],
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rgb[0], rgb[1], rgb[2],
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out[0], out[1], out[2],
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rintf(out[0]*255.0), rintf(out[1]*255.0), rintf(out[2]*255.0));
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return FAIL;
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} else {
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return OK;
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}
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}
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int main() {
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for(int r = 0; r < 256; r++) {
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for(int g = 0; g < 256; g++) {
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for(int b = 0; b < 256; b++) {
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if(test_conv(r, g, b, 0.000001) != OK) {
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return -1;
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}
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}
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}
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}
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}
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