sysdeps/sh/sh4/fpu/fesetenv.c

   1 /* Install given floating-point environment.
   2    Copyright (C) 1997, 1998, 1999, 2000, 2002 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <fenv.h>
  21 #include <fpu_control.h>
  22
  23 int
  24 fesetenv (const fenv_t *envp)
  25 {
  26   if (envp == FE_DFL_ENV)
  27       _FPU_SETCW (_FPU_DEFAULT);
  28   else
  29     {
  30       unsigned long int temp = envp->__fpscr;
  31       _FPU_SETCW (temp);
  32     }
  33   return 0;
  34 }
  35 libm_hidden_def (fesetenv)