diff options
Diffstat (limited to 'libatomic/fenv.c')
-rw-r--r-- | libatomic/fenv.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/libatomic/fenv.c b/libatomic/fenv.c deleted file mode 100644 index 7b4132e05a..0000000000 --- a/libatomic/fenv.c +++ /dev/null @@ -1,72 +0,0 @@ -/* Copyright (C) 2012-2017 Free Software Foundation, Inc. - - This file is part of the GNU Atomic Library (libatomic). - - Libatomic is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - Libatomic 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 General Public License for - more details. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - <http://www.gnu.org/licenses/>. */ - -#include "libatomic_i.h" - -#ifdef HAVE_FENV_H -# include <fenv.h> -#endif - -/* Raise the supported floating-point exceptions from EXCEPTS. Other - bits in EXCEPTS are ignored. */ - -void -__atomic_feraiseexcept (int excepts __attribute__ ((unused))) -{ - volatile float r __attribute__ ((unused)); -#ifdef FE_INVALID - if (excepts & FE_INVALID) - { - volatile float zero = 0.0f; - r = zero / zero; - } -#endif -#ifdef FE_DIVBYZERO - if (excepts & FE_DIVBYZERO) - { - volatile float zero = 0.0f; - r = 1.0f / zero; - } -#endif -#ifdef FE_OVERFLOW - if (excepts & FE_OVERFLOW) - { - volatile float max = __FLT_MAX__; - r = max * max; - } -#endif -#ifdef FE_UNDERFLOW - if (excepts & FE_UNDERFLOW) - { - volatile float min = __FLT_MIN__; - r = min * min; - } -#endif -#ifdef FE_INEXACT - if (excepts & FE_INEXACT) - { - volatile float three = 3.0f; - r = 1.0f / three; - } -#endif -} |