/* Store current floating-point environment and clear exceptions. Copyright (C) 1997-2024 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #include int __feholdexcept (fenv_t *envp) { fpu_control_t temp; /* Store the environment. */ _FPU_GETCW (temp); envp->__fpscr = temp; /* Clear the status flags. */ temp &= ~FE_ALL_EXCEPT; /* Now set all exceptions to non-stop. */ temp &= ~(FE_ALL_EXCEPT << 5); _FPU_SETCW (temp); /* Success. */ return 0; } libm_hidden_def (__feholdexcept) weak_alias (__feholdexcept, feholdexcept) libm_hidden_weak (feholdexcept)