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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "../include/BiF_Definitions.cl"
#include "../../Headers/spirv.h"
INLINE float SPIRV_OVERLOADABLE SPIRV_OCL_BUILTIN(fast_normalize, _f32, )(float p ){
return SPIRV_OCL_BUILTIN(normalize, _f32, )(p);
}
INLINE float2 SPIRV_OVERLOADABLE SPIRV_OCL_BUILTIN(fast_normalize, _v2f32, )(float2 p ){
float l2 = SPIRV_BUILTIN(Dot, _v2f32_v2f32, )( p, p );
float2 n = p * SPIRV_OCL_BUILTIN(native_rsqrt, _f32, )( l2 );;
return l2 == 0.0f ? p : n;
}
INLINE float3 SPIRV_OVERLOADABLE SPIRV_OCL_BUILTIN(fast_normalize, _v3f32, )(float3 p ){
float l2 = SPIRV_BUILTIN(Dot, _v3f32_v3f32, )( p, p );
float3 n = p * SPIRV_OCL_BUILTIN(native_rsqrt, _f32, )( l2 );;
return l2 == 0.0f ? p : n;
}
INLINE float4 SPIRV_OVERLOADABLE SPIRV_OCL_BUILTIN(fast_normalize, _v4f32, )(float4 p ){
float l2 = SPIRV_BUILTIN(Dot, _v4f32_v4f32, )( p, p );
float4 n = p * SPIRV_OCL_BUILTIN(native_rsqrt, _f32, )( l2 );;
return l2 == 0.0f ? p : n;
}
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