xref: /llvm-project/libc/src/fenv/fetestexceptflag.cpp (revision 5ff3ff33ff930e4ec49da7910612d8a41eb068cb)
1b854a232SRobin Caloudis //===-- Implementation of fetestexceptflag function -----------------------===//
2b854a232SRobin Caloudis //
3b854a232SRobin Caloudis // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4b854a232SRobin Caloudis // See https://llvm.org/LICENSE.txt for license information.
5b854a232SRobin Caloudis // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6b854a232SRobin Caloudis //
7b854a232SRobin Caloudis //===----------------------------------------------------------------------===//
8b854a232SRobin Caloudis 
9b854a232SRobin Caloudis #include "src/fenv/fetestexceptflag.h"
10b854a232SRobin Caloudis #include "hdr/types/fexcept_t.h"
11b854a232SRobin Caloudis #include "src/__support/FPUtil/FEnvImpl.h"
12b854a232SRobin Caloudis #include "src/__support/common.h"
13*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
14b854a232SRobin Caloudis 
15*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
16b854a232SRobin Caloudis 
17b854a232SRobin Caloudis LLVM_LIBC_FUNCTION(int, fetestexceptflag,
18b854a232SRobin Caloudis                    (const fexcept_t *flagp, int excepts)) {
19b854a232SRobin Caloudis   static_assert(sizeof(int) >= sizeof(fexcept_t),
20b854a232SRobin Caloudis                 "fexcept_t value cannot fit in an int value.");
21b854a232SRobin Caloudis   return *flagp | fputil::test_except(excepts);
22b854a232SRobin Caloudis }
23b854a232SRobin Caloudis 
24*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
25