Searched refs:exp_r_3 (Results 1 – 1 of 1) sorted by relevance
270 float exp_r_3 = expf(-r / 3.0f); in bssrdf_burley_root_find() local271 float exp_r = exp_r_3 * exp_r_3 * exp_r_3; in bssrdf_burley_root_find()272 float f = 1.0f - 0.25f * exp_r - 0.75f * exp_r_3 - xi; in bssrdf_burley_root_find()273 float f_ = 0.25f * exp_r + 0.25f * exp_r_3; in bssrdf_burley_root_find()