llvm/libc/src/math/generic/exp10f16.cpp

//===-- Half-precision 10^x function --------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "src/math/exp10f16.h"
#include "expxf16.h"
#include "hdr/errno_macros.h"
#include "hdr/fenv_macros.h"
#include "src/__support/CPP/array.h"
#include "src/__support/FPUtil/FEnvImpl.h"
#include "src/__support/FPUtil/FPBits.h"
#include "src/__support/FPUtil/PolyEval.h"
#include "src/__support/FPUtil/except_value_utils.h"
#include "src/__support/FPUtil/multiply_add.h"
#include "src/__support/FPUtil/nearest_integer.h"
#include "src/__support/FPUtil/rounding_mode.h"
#include "src/__support/common.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/optimization.h"
#include "src/__support/macros/properties/cpu_features.h"

namespace LIBC_NAMESPACE_DECL {

#ifdef LIBC_TARGET_CPU_HAS_FMA
static constexpr size_t N_EXP10F16_EXCEPTS = 5;
#else
static constexpr size_t N_EXP10F16_EXCEPTS = …;
#endif

static constexpr fputil::ExceptValues<float16, N_EXP10F16_EXCEPTS>
    EXP10F16_EXCEPTS = …;

// Generated by Sollya with the following commands:
//   > display = hexadecimal;
//   > round(log2(10), SG, RN);
static constexpr float LOG2F_10 = …;

// Generated by Sollya with the following commands:
//   > display = hexadecimal;
//   > round(log10(2), SG, RN);
static constexpr float LOG10F_2 = …;

LLVM_LIBC_FUNCTION(float16, exp10f16, (float16 x)) { … }

} // namespace LIBC_NAMESPACE_DECL