/* Store current floating-point environment. Copyright (C) 1997-2017 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 <http://www.gnu.org/licenses/>. */ #include <fenv.h> #include <fpu_control.h> #include <arm-features.h> int __fegetenv (fenv_t *envp) { fpu_control_t fpscr; /* Fail if a VFP unit isn't present. */ if (!ARM_HAVE_VFP) return 1; _FPU_GETCW (fpscr); envp->__cw = fpscr; return 0; } libm_hidden_def (__fegetenv) weak_alias (__fegetenv, fegetenv) libm_hidden_weak (fegetenv)