diff options
Diffstat (limited to 'intern/cycles/util')
| -rw-r--r-- | intern/cycles/util/util_math.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/intern/cycles/util/util_math.h b/intern/cycles/util/util_math.h index fee2f10085b..cd44b7e8cda 100644 --- a/intern/cycles/util/util_math.h +++ b/intern/cycles/util/util_math.h @@ -162,6 +162,12 @@ __device_inline float nonzerof(float f, float eps) return f; } +__device_inline float smoothstepf(float f) +{ + float ff = f*f; + return (3.0f*ff - 2.0f*ff*f); +} + /* Float2 Vector */ #ifndef __KERNEL_OPENCL__ |