/* Set current rounding direction. Copyright (C) 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Aldy Hernandez , 2004. 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include int fesetround (int round) { unsigned long fpescr; if ((unsigned int) round > 3) return 1; fpescr = fegetenv_register (); fpescr = (fpescr & ~SPEFSCR_FRMC) | (round & 3); fesetenv_register (fpescr); return 0; } libm_hidden_def (fesetround)