diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/fesetround.c')
-rw-r--r-- | sysdeps/powerpc/fpu/fesetround.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/fesetround.c b/sysdeps/powerpc/fpu/fesetround.c new file mode 100644 index 0000000000..875c89768a --- /dev/null +++ b/sysdeps/powerpc/fpu/fesetround.c @@ -0,0 +1,41 @@ +/* Set current rounding direction. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv_libc.h> + +int +fesetround (int round) +{ + fenv_union_t u; + + if ((unsigned int) round > 3) + return 0; + + /* Get the current state. */ + u.fenv = fegetenv_register (); + + /* Set the relevant bits. */ + u.l[1] = (u.l[1] & ~3) | (round & 3); + + /* Put the new state in effect. */ + fesetenv_register (u.fenv); + + return 1; +} |