blob: 7e480e39d24cf5ffd404f341bc60fe9187fa28bf [file] [log] [blame]
//===-- Implementation of fesetexceptflag function ------------------------===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "src/fenv/fesetexceptflag.h"
#include "src/__support/FPUtil/FEnvUtils.h"
#include "src/__support/common.h"
#include <fenv.h>
namespace __llvm_libc {
LLVM_LIBC_FUNCTION(int, fesetexceptflag,
(const fexcept_t *flagp, int excepts)) {
// Since the return type of fetestexcept is int, we ensure that fexcept_t
// can fit in int type.
static_assert(sizeof(int) >= sizeof(fexcept_t),
"fexcept_t value cannot fit in an int value.");
int excepts_to_set = static_cast<const int>(*flagp) & excepts;
return fputil::setExcept(excepts_to_set);
} // namespace __llvm_libc