[libclc] r204477 - Add cross for double3 and double4

[Tom Stellard]

Author: tstellar
Date: Fri Mar 21 11:21:58 2014
New Revision: 204477

URL: http://llvm.org/viewvc/llvm-project?rev=204477&view=rev
Log:
Add cross for double3 and double4

Patch by: Jeroen Ketema

Reviewed-by: Tom Stellard <thomas.stellard at amd.com>

Modified:
    libclc/trunk/generic/include/clc/geometric/cross.h
    libclc/trunk/generic/lib/geometric/cross.cl

Modified: libclc/trunk/generic/include/clc/geometric/cross.h
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/geometric/cross.h?rev=204477&r1=204476&r2=204477&view=diff
==============================================================================
--- libclc/trunk/generic/include/clc/geometric/cross.h (original)
+++ libclc/trunk/generic/include/clc/geometric/cross.h Fri Mar 21 11:21:58 2014
@@ -1,2 +1,7 @@
 _CLC_OVERLOAD _CLC_DECL float3 cross(float3 p0, float3 p1);
 _CLC_OVERLOAD _CLC_DECL float4 cross(float4 p0, float4 p1);
+
+#ifdef cl_khr_fp64
+_CLC_OVERLOAD _CLC_DECL double3 cross(double3 p0, double3 p1);
+_CLC_OVERLOAD _CLC_DECL double4 cross(double4 p0, double4 p1);
+#endif

Modified: libclc/trunk/generic/lib/geometric/cross.cl
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/geometric/cross.cl?rev=204477&r1=204476&r2=204477&view=diff
==============================================================================
--- libclc/trunk/generic/lib/geometric/cross.cl (original)
+++ libclc/trunk/generic/lib/geometric/cross.cl Fri Mar 21 11:21:58 2014
@@ -9,3 +9,17 @@ _CLC_OVERLOAD _CLC_DEF float4 cross(floa
   return (float4)(p0.y*p1.z - p0.z*p1.y, p0.z*p1.x - p0.x*p1.z,
                   p0.x*p1.y - p0.y*p1.x, 0.f);
 }
+
+#ifdef cl_khr_fp64
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+
+_CLC_OVERLOAD _CLC_DEF double3 cross(double3 p0, double3 p1) {
+  return (double3)(p0.y*p1.z - p0.z*p1.y, p0.z*p1.x - p0.x*p1.z,
+                   p0.x*p1.y - p0.y*p1.x);
+}
+
+_CLC_OVERLOAD _CLC_DEF double4 cross(double4 p0, double4 p1) {
+  return (double4)(p0.y*p1.z - p0.z*p1.y, p0.z*p1.x - p0.x*p1.z,
+                   p0.x*p1.y - p0.y*p1.x, 0.f);
+}
+#endif