Lines Matching defs:MAX_ALPHA
103 #define MAX_ALPHA 255 // 8b of precision for susceptibilities.
104 #define ALPHA_SCALE (2 * MAX_ALPHA) // scaling factor for alpha.
109 alpha = MAX_ALPHA - alpha;
110 return clip(alpha, 0, MAX_ALPHA);
114 // 'alpha' will later be clipped to [0..MAX_ALPHA] range, clamping outer
143 const int alphas[MAX_ALPHA + 1]) {
151 int map[MAX_ALPHA + 1];
153 int min_a = 0, max_a = MAX_ALPHA, range_a;
161 for (n = 0; n <= MAX_ALPHA && alphas[n] == 0; ++n) {}
163 for (n = MAX_ALPHA; n > min_a && alphas[n] == 0; --n) {}
361 int alphas[MAX_ALPHA + 1],
430 int alphas[MAX_ALPHA + 1];
454 for (i = 0; i <= MAX_ALPHA; ++i) dst->alphas[i] += src->alphas[i];
