/* Store current floating-point environment. Copyright (C) 2001-2014 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 __fegetenv (fenv_t *envp) { __asm__ ("fnstenv %0\n" /* fnstenv changes the exception mask, so load back the stored environment. */ "fldenv %0\n" "stmxcsr %1" : "=m" (*envp), "=m" (envp->__mxcsr)); /* Success. */ return 0; } libm_hidden_def (__fegetenv) weak_alias (__fegetenv, fegetenv) libm_hidden_weak (fegetenv)