1 //===-- Implementation of feholdexcept function ---------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/fenv/feholdexcept.h" 10 #include "hdr/types/fenv_t.h" 11 #include "src/__support/FPUtil/FEnvImpl.h" 12 #include "src/__support/common.h" 13 #include "src/__support/macros/config.h" 14 15 namespace LIBC_NAMESPACE_DECL { 16 17 LLVM_LIBC_FUNCTION(int, feholdexcept, (fenv_t * envp)) { 18 if (fputil::get_env(envp) != 0) 19 return -1; 20 fputil::clear_except(FE_ALL_EXCEPT); 21 fputil::disable_except(FE_ALL_EXCEPT); 22 return 0; 23 } 24 25 } // namespace LIBC_NAMESPACE_DECL 26