xref: /aosp_15_r20/external/llvm-libc/src/fenv/fetestexceptflag.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1*71db0c75SAndroid Build Coastguard Worker //===-- Implementation of fetestexceptflag function -----------------------===//
2*71db0c75SAndroid Build Coastguard Worker //
3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information.
5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*71db0c75SAndroid Build Coastguard Worker //
7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===//
8*71db0c75SAndroid Build Coastguard Worker 
9*71db0c75SAndroid Build Coastguard Worker #include "src/fenv/fetestexceptflag.h"
10*71db0c75SAndroid Build Coastguard Worker #include "hdr/types/fexcept_t.h"
11*71db0c75SAndroid Build Coastguard Worker #include "src/__support/FPUtil/FEnvImpl.h"
12*71db0c75SAndroid Build Coastguard Worker #include "src/__support/common.h"
13*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/config.h"
14*71db0c75SAndroid Build Coastguard Worker 
15*71db0c75SAndroid Build Coastguard Worker namespace LIBC_NAMESPACE_DECL {
16*71db0c75SAndroid Build Coastguard Worker 
17*71db0c75SAndroid Build Coastguard Worker LLVM_LIBC_FUNCTION(int, fetestexceptflag,
18*71db0c75SAndroid Build Coastguard Worker                    (const fexcept_t *flagp, int excepts)) {
19*71db0c75SAndroid Build Coastguard Worker   static_assert(sizeof(int) >= sizeof(fexcept_t),
20*71db0c75SAndroid Build Coastguard Worker                 "fexcept_t value cannot fit in an int value.");
21*71db0c75SAndroid Build Coastguard Worker   return *flagp | fputil::test_except(excepts);
22*71db0c75SAndroid Build Coastguard Worker }
23*71db0c75SAndroid Build Coastguard Worker 
24*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL
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