xref: /llvm-project/libc/src/fenv/fegetexceptflag.cpp (revision 5ff3ff33ff930e4ec49da7910612d8a41eb068cb)
1b7e05c87SSiva Chandra Reddy //===-- Implementation of fegetexceptflag function ------------------------===//
2b7e05c87SSiva Chandra Reddy //
3b7e05c87SSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4b7e05c87SSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information.
5b7e05c87SSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6b7e05c87SSiva Chandra Reddy //
7b7e05c87SSiva Chandra Reddy //===----------------------------------------------------------------------===//
8b7e05c87SSiva Chandra Reddy 
9b7e05c87SSiva Chandra Reddy #include "src/fenv/fegetexceptflag.h"
1075bbf4ddSJob Henandez Lara #include "hdr/types/fexcept_t.h"
1176ec69a9STue Ly #include "src/__support/FPUtil/FEnvImpl.h"
12b7e05c87SSiva Chandra Reddy #include "src/__support/common.h"
13*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
14b7e05c87SSiva Chandra Reddy 
15*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
16b7e05c87SSiva Chandra Reddy 
17b7e05c87SSiva Chandra Reddy LLVM_LIBC_FUNCTION(int, fegetexceptflag, (fexcept_t * flagp, int excepts)) {
1880deb826SRobin Caloudis   static_assert(sizeof(int) >= sizeof(fexcept_t),
1980deb826SRobin Caloudis                 "fexcept_t value cannot fit in an int value.");
201c92911eSMichael Jones   *flagp = static_cast<fexcept_t>(fputil::test_except(FE_ALL_EXCEPT) & excepts);
21b7e05c87SSiva Chandra Reddy   return 0;
22b7e05c87SSiva Chandra Reddy }
23b7e05c87SSiva Chandra Reddy 
24*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
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