Fix T46906: Cycles syntax error while compiling OpenCL kernels

The safe normalization was using a float as a condition, now the intended non-zero test is explicit.

1 files changed, 3 insertions, 3 deletions

diff --git a/intern/cycles/util/util_math.h b/intern/cycles/util/util_math.h
index 7d6dfd34e0e..4a676d0d7b5 100644
--- a/intern/cycles/util/util_math.h
+++ b/intern/cycles/util/util_math.h
@@ -351,7 +351,7 @@ ccl_device_inline float2 normalize_len(const float2 a, float *t)
 ccl_device_inline float2 safe_normalize(const float2 a)
 {
 	float t = len(a);
-	return (t)? a/t: a;
+	return (t != 0.0f)? a/t: a;
 }
 
 ccl_device_inline bool operator==(const float2 a, const float2 b)
@@ -553,7 +553,7 @@ ccl_device_inline float3 normalize_len(const float3 a, float *t)
 ccl_device_inline float3 safe_normalize(const float3 a)
 {
 	float t = len(a);
-	return (t)? a/t: a;
+	return (t != 0.0f)? a/t: a;
 }
 
 #ifndef __KERNEL_OPENCL__
@@ -866,7 +866,7 @@ ccl_device_inline float4 normalize(const float4 a)
 ccl_device_inline float4 safe_normalize(const float4 a)
 {
 	float t = len(a);
-	return (t)? a/t: a;
+	return (t != 0.0f)? a/t: a;
 }
 
 ccl_device_inline float4 min(float4 a, float4 b)