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

//===-- Single-precision cos 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/cosf.h"
#include "sincosf_utils.h"
#include "src/__support/FPUtil/BasicOperations.h"
#include "src/__support/FPUtil/FEnvImpl.h"
#include "src/__support/FPUtil/FPBits.h"
#include "src/__support/FPUtil/except_value_utils.h"
#include "src/__support/FPUtil/multiply_add.h"
#include "src/__support/common.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/optimization.h"            // LIBC_UNLIKELY
#include "src/__support/macros/properties/cpu_features.h" // LIBC_TARGET_CPU_HAS_FMA

#include <errno.h>

namespace LIBC_NAMESPACE_DECL {

// Exceptional cases for cosf.
static constexpr size_t N_EXCEPTS = …;

static constexpr fputil::ExceptValues<float, N_EXCEPTS> COSF_EXCEPTS{ … };

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

} // namespace LIBC_NAMESPACE_DECL