diff options
Diffstat (limited to 'intern/cycles/kernel/closure/bssrdf.h')
-rw-r--r-- | intern/cycles/kernel/closure/bssrdf.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/intern/cycles/kernel/closure/bssrdf.h b/intern/cycles/kernel/closure/bssrdf.h index 844e0433bae..486de4ca65f 100644 --- a/intern/cycles/kernel/closure/bssrdf.h +++ b/intern/cycles/kernel/closure/bssrdf.h @@ -68,13 +68,13 @@ __device float bssrdf_reduced_albedo_Rd(float alpha_, float A, float ro) { float sq; - sq = sqrt(3.0f*(1.0f - alpha_)); + sq = sqrtf(3.0f*(1.0f - alpha_)); return (alpha_/2.0f)*(1.0f + expf((-4.0f/3.0f)*A*sq))*expf(-sq) - ro; } __device float bssrdf_compute_reduced_albedo(float A, float ro) { - const float tolerance = 1e-8; + const float tolerance = 1e-8f; const int max_iteration_count = 20; float d, fsub, xn_1 = 0.0f, xn = 1.0f, fxn, fxn_1; int i; @@ -138,8 +138,8 @@ __device float bssrdf_original(const BSSRDFParams *ss, float r) float rr = r*r; float sr, sv, Rdr, Rdv; - sr = sqrt(rr + ss->zr*ss->zr); - sv = sqrt(rr + ss->zv*ss->zv); + sr = sqrtf(rr + ss->zr*ss->zr); + sv = sqrtf(rr + ss->zv*ss->zv); Rdr = ss->zr*(1.0f + ss->sigma_tr*sr)*expf(-ss->sigma_tr*sr)/(sr*sr*sr); Rdv = ss->zv*(1.0f + ss->sigma_tr*sv)*expf(-ss->sigma_tr*sv)/(sv*sv*sv); |