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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 INLINE float __attribute__((overloadable)) __spirv_ocl_round( float x )
{
float delta = as_float(0x3EFFFFFF); // one bit less than 0.5f
float nd = x - delta;
float pd = x + delta;
x = ( x < 0 ) ? nd : pd;
return __spirv_ocl_trunc(x);
}
GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_1ARGS( round, float, float, f32 )
#if defined(cl_khr_fp64)
INLINE INLINE double __attribute__((overloadable)) __spirv_ocl_round( double x )
{
double delta = as_double(0x3FDFFFFFFFFFFFFFl); // one bit less than 0.5
double nd = x - delta;
double pd = x + delta;
x = ( x < 0 ) ? nd : pd;
return __spirv_ocl_trunc(x);
}
GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_1ARGS( round, double, double, f64 )
#endif // defined(cl_khr_fp64)
#if defined(cl_khr_fp16)
INLINE INLINE half __attribute__((overloadable)) __spirv_ocl_round( half x )
{
return __spirv_ocl_round((float)x);
}
GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_1ARGS( round, half, half, f16 )
#endif // defined(cl_khr_fp16)
#if defined(IGC_SPV_INTEL_bfloat16_arithmetic)
INLINE bfloat __attribute__((overloadable)) __spirv_ocl_round( bfloat x )
{
return __spirv_ocl_round((float)x);
}
GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_1ARGS( round, bfloat, bfloat, )
#endif // defined(IGC_SPV_INTEL_bfloat16_arithmetic)
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