sysdeps/powerpc/fpu/fesetenv.c

   1 /* Install given floating-point environment.
   2    Copyright (C) 1997-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <fenv_libc.h>
  20 #include <fpu_control.h>
  21
  22 int
  23 __fesetenv (const fenv_t *envp)
  24 {
  25   fenv_union_t old, new;
  26
  27   /* get the currently set exceptions.  */
  28   new.fenv = *envp;
  29   old.fenv = fegetenv_control ();
  30
  31   __TEST_AND_EXIT_NON_STOP (old.l, new.l);
  32   __TEST_AND_ENTER_NON_STOP (old.l, new.l);
  33
  34   fesetenv_register (new.fenv);
  35
  36   /* Success.  */
  37   return 0;
  38 }
  39
  40 #include <shlib-compat.h>
  41 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  42 strong_alias (__fesetenv, __old_fesetenv)
  43 compat_symbol (libm, __old_fesetenv, fesetenv, GLIBC_2_1);
  44 #endif
  45
  46 libm_hidden_def (__fesetenv)
  47 libm_hidden_ver (__fesetenv, fesetenv)
  48 versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2);