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glibc  2.9
fesetround.c
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00001 /* Set rounding mode (soft-float edition).
00002    Copyright (C) 2002 Free Software Foundation, Inc.
00003    Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002.
00004    This file is part of the GNU C Library.
00005 
00006    The GNU C Library is free software; you can redistribute it and/or
00007    modify it under the terms of the GNU Lesser General Public
00008    License as published by the Free Software Foundation; either
00009    version 2.1 of the License, or (at your option) any later version.
00010 
00011    The GNU C Library is distributed in the hope that it will be useful,
00012    but WITHOUT ANY WARRANTY; without even the implied warranty of
00013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014    Lesser General Public License for more details.
00015 
00016    You should have received a copy of the GNU Lesser General Public
00017    License along with the GNU C Library; if not, write to the Free
00018    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00019    02111-1307 USA.  */
00020 
00021 #include "soft-fp.h"
00022 #include "soft-supp.h"
00023 
00024 int
00025 fesetround (int round)
00026 {
00027   if ((unsigned int) round > FE_DOWNWARD)
00028     return 1;
00029 
00030   __sim_round_mode = round;
00031 
00032   return 0;
00033 }
00034 libm_hidden_def (fesetround)