kannonier8/blender
1
0
Fork 0
forked from bartvdbraak/blender
Code Pull Requests Activity

Cycles: Use proper constant name for 1/pi in fast math

Browse Source
This commit is contained in:
Sergey Sharybin 2015-02-06 15:15:55 +05:00
parent 40f237675f
commit 460681bd62
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
intern/cycles/util/util_math_fast.h
View File

@ -154,7 +154,7 @@ ccl_device float fast_cosf(float x)
ccl_device void fast_sincosf(float x, float* sine, float* cosine) ccl_device void fast_sincosf(float x, float* sine, float* cosine)
{ {
/* Same argument reduction as fast_sin. */ /* Same argument reduction as fast_sin. */
int q = fast_rint(x * float(M_1_PI)); int q = fast_rint(x * M_1_PI_F);
float qf = q; float qf = q;
x = madd(qf, -0.78515625f*4, x); x = madd(qf, -0.78515625f*4, x);
x = madd(qf, -0.00024187564849853515625f*4, x); x = madd(qf, -0.00024187564849853515625f*4, x);