/*========================== 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"

#define _M_LOG10_2      (as_float(0x3e9a209b))          // 0.30103000998497009f
#define _M_LOG10_2_DBL  (as_double(0x3fd34413509f79ff)) // 0.3010299956639811952137388

INLINE float __attribute__((overloadable)) __spirv_ocl_native_log10( float x )
{
    return __spirv_ocl_native_log2(x) * _M_LOG10_2;
}

GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_1ARGS( native_log10, float, float, f32 )

#if defined(cl_khr_fp64)

INLINE double __attribute__((overloadable)) __spirv_ocl_native_log10( double x )
{
    return __spirv_ocl_native_log2((float)x) * _M_LOG10_2;
}

GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_1ARGS( native_log10, double, double, f64 )

#endif // defined(cl_khr_fp64)

#if defined(cl_khr_fp16)

INLINE half __attribute__((overloadable)) __spirv_ocl_native_log10( half x )
{
    return __spirv_ocl_native_log2(x) * (half)(_M_LOG10_2);
}

GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_1ARGS( native_log10, half, half, f16 )

#endif // defined(cl_khr_fp16)

#if defined(IGC_SPV_INTEL_bfloat16_arithmetic)
INLINE bfloat __attribute__((overloadable)) __spirv_ocl_native_log10( bfloat x )
{
    bfloat bf16_M_LOG10_2 = (bfloat)_M_LOG10_2;
    bfloat bf16_log2_x = __spirv_ocl_native_log2(x);
    bfloat result = as_bfloat(__builtin_bf16_mul(as_ushort(bf16_log2_x), as_ushort(bf16_M_LOG10_2)));
    return result;
}

GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_1ARGS( native_log10, bfloat, bfloat, )
#endif // defined(IGC_SPV_INTEL_bfloat16_arithmetic)
