[Bf-blender-cvs] [e2522b4] master: Cycles: correct math wrappers

[Campbell Barton]

Commit: e2522b4a291b5b67f040fadbbef6f52ccce838ed
Author: Campbell Barton
Date:   Wed Oct 8 00:02:46 2014 +0200
Branches: master
https://developer.blender.org/rBe2522b4a291b5b67f040fadbbef6f52ccce838ed

Cycles: correct math wrappers

include the parens around value before cast,
in some cases was causing double/float promotion by only casting the left value.

===================================================================

M	intern/cycles/kernel/kernel_compat_cpu.h
M	intern/cycles/kernel/kernel_compat_cuda.h
M	intern/cycles/kernel/kernel_compat_opencl.h

===================================================================

diff --git a/intern/cycles/kernel/kernel_compat_cpu.h b/intern/cycles/kernel/kernel_compat_cpu.h
index 2553184..403fd0a 100644
--- a/intern/cycles/kernel/kernel_compat_cpu.h
+++ b/intern/cycles/kernel/kernel_compat_cpu.h
@@ -29,7 +29,7 @@
  * double precision version, even with float<->double conversion involved.
  */
 #if !defined(__KERNEL_GPU__) && defined(__linux__) && defined(__x86_64__)
-#  define expf(x) ((float)exp((double)x))
+#  define expf(x) ((float)exp((double)(x)))
 #endif
 
 CCL_NAMESPACE_BEGIN
diff --git a/intern/cycles/kernel/kernel_compat_cuda.h b/intern/cycles/kernel/kernel_compat_cuda.h
index e4c20d2..f14f326 100644
--- a/intern/cycles/kernel/kernel_compat_cuda.h
+++ b/intern/cycles/kernel/kernel_compat_cuda.h
@@ -75,12 +75,11 @@ typedef texture<uchar4, 2, cudaReadModeNormalizedFloat> texture_image_uchar4;
 
 /* Use fast math functions */
 
-#define cosf(x) __cosf(((float)x))
-#define sinf(x) __sinf(((float)x))
-#define powf(x, y) __powf(((float)x), ((float)y))
-#define tanf(x) __tanf(((float)x))
-#define logf(x) __logf(((float)x))
-#define expf(x) __expf(((float)x))
+#define cosf(x) __cosf(((float)(x)))
+#define sinf(x) __sinf(((float)(x)))
+#define powf(x, y) __powf(((float)(x)), ((float)(y)))
+#define tanf(x) __tanf(((float)(x)))
+#define logf(x) __logf(((float)(x)))
+#define expf(x) __expf(((float)(x)))
 
 #endif /* __KERNEL_COMPAT_CUDA_H__ */
-
diff --git a/intern/cycles/kernel/kernel_compat_opencl.h b/intern/cycles/kernel/kernel_compat_opencl.h
index 78b3fd0..58031a4 100644
--- a/intern/cycles/kernel/kernel_compat_opencl.h
+++ b/intern/cycles/kernel/kernel_compat_opencl.h
@@ -77,34 +77,34 @@
 #define __float_as_uint(x) as_uint(x)
 #define __int_as_float(x) as_float(x)
 #define __float_as_int(x) as_int(x)
-#define powf(x, y) pow(((float)x), ((float)y))
-#define fabsf(x) fabs(((float)x))
-#define copysignf(x, y) copysign(((float)x), ((float)y))
-#define asinf(x) asin(((float)x))
-#define acosf(x) acos(((float)x))
-#define atanf(x) atan(((float)x))
-#define floorf(x) floor(((float)x))
-#define ceilf(x) ceil(((float)x))
-#define hypotf(x, y) hypot(((float)x), ((float)y))
-#define atan2f(x, y) atan2(((float)x), ((float)y))
-#define fmaxf(x, y) fmax(((float)x), ((float)y))
-#define fminf(x, y) fmin(((float)x), ((float)y))
-#define fmodf(x, y) fmod((float)x, (float)y)
+#define powf(x, y) pow(((float)(x)), ((float)(y)))
+#define fabsf(x) fabs(((float)(x)))
+#define copysignf(x, y) copysign(((float)(x)), ((float)(y)))
+#define asinf(x) asin(((float)(x)))
+#define acosf(x) acos(((float)(x)))
+#define atanf(x) atan(((float)(x)))
+#define floorf(x) floor(((float)(x)))
+#define ceilf(x) ceil(((float)(x)))
+#define hypotf(x, y) hypot(((float)(x)), ((float)(y)))
+#define atan2f(x, y) atan2(((float)(x)), ((float)(y)))
+#define fmaxf(x, y) fmax(((float)(x)), ((float)(y)))
+#define fminf(x, y) fmin(((float)(x)), ((float)(y)))
+#define fmodf(x, y) fmod((float)(x), (float)(y))
 
 #ifndef __CL_USE_NATIVE__
-#define sinf(x) native_sin(((float)x))
-#define cosf(x) native_cos(((float)x))
-#define tanf(x) native_tan(((float)x))
-#define expf(x) native_exp(((float)x))
-#define sqrtf(x) native_sqrt(((float)x))
-#define logf(x) native_log(((float)x))
+#define sinf(x) native_sin(((float)(x)))
+#define cosf(x) native_cos(((float)(x)))
+#define tanf(x) native_tan(((float)(x)))
+#define expf(x) native_exp(((float)(x)))
+#define sqrtf(x) native_sqrt(((float)(x)))
+#define logf(x) native_log(((float)(x)))
 #else
-#define sinf(x) sin(((float)x))
-#define cosf(x) cos(((float)x))
-#define tanf(x) tan(((float)x))
-#define expf(x) exp(((float)x))
-#define sqrtf(x) sqrt(((float)x))
-#define logf(x) log(((float)x))
+#define sinf(x) sin(((float)(x)))
+#define cosf(x) cos(((float)(x)))
+#define tanf(x) tan(((float)(x)))
+#define expf(x) exp(((float)(x)))
+#define sqrtf(x) sqrt(((float)(x)))
+#define logf(x) log(((float)(x)))
 #endif
 
 /* data lookup defines */