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Calculate blend factor as double

master
Kenny Levinsen 2023-09-01 14:12:02 +02:00
parent 29d5b255e5
commit 966728a29b
1 changed files with 1 additions and 1 deletions
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2
color_math.c
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@ -192,7 +192,7 @@ struct rgb calc_whitepoint(int temp) {
illuminant_d(temp, &x1, &y1);
planckian_locus(temp, &x2, &y2);
double factor = (4000 - temp) / 1500;
double factor = (4000. - temp) / 1500.;
double sinefactor = (cos(M_PI*factor) + 1.0) / 2.0;
wp.x = x1 * sinefactor + x2 * (1.0 - sinefactor);
wp.y = y1 * sinefactor + y2 * (1.0 - sinefactor);