1*71db0c75SAndroid Build Coastguard Worker //===-- Implementation of fesetexceptflag 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/fesetexceptflag.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, fesetexceptflag, 18*71db0c75SAndroid Build Coastguard Worker (const fexcept_t *flagp, int excepts)) { 19*71db0c75SAndroid Build Coastguard Worker // Since the return type of fetestexcept is int, we ensure that fexcept_t 20*71db0c75SAndroid Build Coastguard Worker // can fit in int type. 21*71db0c75SAndroid Build Coastguard Worker static_assert(sizeof(int) >= sizeof(fexcept_t), 22*71db0c75SAndroid Build Coastguard Worker "fexcept_t value cannot fit in an int value."); 23*71db0c75SAndroid Build Coastguard Worker int excepts_to_set = static_cast<int>(*flagp) & excepts; 24*71db0c75SAndroid Build Coastguard Worker fputil::clear_except(FE_ALL_EXCEPT); 25*71db0c75SAndroid Build Coastguard Worker return fputil::set_except(excepts_to_set); 26*71db0c75SAndroid Build Coastguard Worker } 27*71db0c75SAndroid Build Coastguard Worker 28*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL 29