/* Test exception in current environment. Copyright (C) 1997-2016 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 int fetestexcept (int excepts) { fenv_union_t u; /* Get the current state. */ u.fenv = fegetenv_register (); /* The FE_INVALID bit is dealt with correctly by the hardware, so we can just: */ return u.l & excepts; } libm_hidden_def (fetestexcept)