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glibc  2.9
s_rint.c
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00001 /* Copyright (C) 2006 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 double
00020 __rint (double x)
00021 {
00022   asm ("fint.d %1,%0" : "=f" (x) : "fm" (x));
00023   return x;
00024 }
00025 weak_alias (__rint, rint)
00026 #ifdef NO_LONG_DOUBLE
00027 strong_alias (__rint, __rintl)
00028 weak_alias (__rint, rintl)
00029 #endif