/* Store current representation for exceptions. Copyright (C) 2000-2015 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). 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 fegetexceptflag (fexcept_t *flagp, int excepts) { fexcept_t temp, newexcepts; /* Get the current exceptions. */ _FPU_GETCW (temp); newexcepts = excepts << FPC_FLAGS_SHIFT; if ((temp & FPC_NOT_FPU_EXCEPTION) == 0) /* Bits 6, 7 of dxc-byte are zero, thus bits 0-5 of dxc-byte correspond to the flag-bits. Evaluate flags and last dxc-exception-code. */ newexcepts |= excepts << FPC_DXC_SHIFT; *flagp = temp & newexcepts; /* Success. */ return 0; }