cross

Cross product.

`float4 cross (`	float4 `p0`,
	float4 `p1)`

`float3 cross (`	float3 `p0`,
	float3 `p1)`

`double4 cross (`	double4 `p0`,
	double4 `p1)`

`double3 cross (`	double3 `p0`,
	double3 `p1)`

half4 cross (half4 p0, half4 p1) // if half extension enabled

half3 cross (half3 p0, half3 p1) // if half extension enabled

Description

Returns the cross product of p0.xyz and p1.xyz. The w component of the float4 result (or double if the cl_khr_fp16 extension is enabled) will be 0.0.

Notes

Built-in geometric functions operate component-wise. The description is per-component. floatn is float, float2, float3, or float4 and doublen is double, double2, double3, or double4. The built-in geometric functions are implemented using the round to nearest even rounding mode.

The geometric functions can be implemented using contractions such as mad or fma.

An application that wants to use half and halfn types will need to include the #pragma OPENCL EXTENSION cl_khr_fp16 : enable directive.

Specification

OpenCL Specification

Also see

Geometric Functions

Copyright © 2007-2011 The Khronos Group Inc. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and/or associated documentation files (the "Materials"), to deal in the Materials without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Materials, and to permit persons to whom the Materials are furnished to do so, subject to the condition that this copyright notice and permission notice shall be included in all copies or substantial portions of the Materials.