diff options
Diffstat (limited to 'intern/cycles/util/util_math.h')
-rw-r--r-- | intern/cycles/util/util_math.h | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/intern/cycles/util/util_math.h b/intern/cycles/util/util_math.h index b7133582696..6fe1b2bcf54 100644 --- a/intern/cycles/util/util_math.h +++ b/intern/cycles/util/util_math.h @@ -296,19 +296,19 @@ __device_inline bool operator==(const int2 a, const int2 b) return (a.x == b.x && a.y == b.y); } -__device_inline float length(const float2 a) +__device_inline float len(const float2 a) { return sqrtf(dot(a, a)); } __device_inline float2 normalize(const float2 a) { - return a/length(a); + return a/len(a); } -__device_inline float2 normalize_length(const float2 a, float *t) +__device_inline float2 normalize_len(const float2 a, float *t) { - *t = length(a); + *t = len(a); return a/(*t); } @@ -454,13 +454,14 @@ __device_inline float3 cross(const float3 a, const float3 b) return r; } -__device_inline float length(const float3 a) +#endif + +__device_inline float len(const float3 a) { return sqrtf(dot(a, a)); } -#endif -__device_inline float length_squared(const float3 a) +__device_inline float len_squared(const float3 a) { return dot(a, a); } @@ -469,14 +470,14 @@ __device_inline float length_squared(const float3 a) __device_inline float3 normalize(const float3 a) { - return a/length(a); + return a/len(a); } #endif -__device_inline float3 normalize_length(const float3 a, float *t) +__device_inline float3 normalize_len(const float3 a, float *t) { - *t = length(a); + *t = len(a); return a/(*t); } @@ -786,14 +787,14 @@ __device_inline float dot(const float4& a, const float4& b) return reduce_add(a * b); } -__device_inline float length(const float4 a) +__device_inline float len(const float4 a) { return sqrtf(dot(a, a)); } __device_inline float4 normalize(const float4 a) { - return a/length(a); + return a/len(a); } __device_inline float4 min(float4 a, float4 b) @@ -1049,7 +1050,7 @@ template<class A, class B> A lerp(const A& a, const A& b, const B& t) __device_inline float triangle_area(const float3 v1, const float3 v2, const float3 v3) { - return length(cross(v3 - v2, v1 - v2))*0.5f; + return len(cross(v3 - v2, v1 - v2))*0.5f; } #endif @@ -1211,7 +1212,7 @@ __device bool ray_aligned_disk_intersect( { /* aligned disk normal */ float disk_t; - float3 disk_N = normalize_length(ray_P - disk_P, &disk_t); + float3 disk_N = normalize_len(ray_P - disk_P, &disk_t); float div = dot(ray_D, disk_N); if(div == 0.0f) @@ -1224,7 +1225,7 @@ __device bool ray_aligned_disk_intersect( /* test if within radius */ float3 P = ray_P + ray_D*t; - if(length_squared(P - disk_P) > disk_radius*disk_radius) + if(len_squared(P - disk_P) > disk_radius*disk_radius) return false; *isect_P = P; |