/* Enable floating-point exceptions. Copyright (C) 2012-2022 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 feenableexcept (int excepts) { fpu_control_t temp, old_flag; /* Get current exceptions. */ _FPU_GETCW (temp); old_flag = (temp >> 5) & FE_ALL_EXCEPT; excepts &= FE_ALL_EXCEPT; temp |= excepts << 5; _FPU_SETCW (temp); return old_flag; }