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

//===-- Single-precision acos 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/acosf.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/sqrt.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/optimization.h" // LIBC_UNLIKELY

#include <errno.h>

#include "inv_trigf_utils.h"

namespace LIBC_NAMESPACE_DECL {

static constexpr size_t N_EXCEPTS = …;

// Exceptional values when |x| <= 0.5
static constexpr fputil::ExceptValues<float, N_EXCEPTS> ACOSF_EXCEPTS = …;

LLVM_LIBC_FUNCTION(float, acosf, (float x)) { … }

} // namespace LIBC_NAMESPACE_DECL