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glibc  2.9
s_lrintf.c
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00001 /* Copyright (C) 2007 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 #define __llrintf    not___llrintf
00020 #define llrintf             not_llrintf
00021 #include <math.h>
00022 #undef __llrintf
00023 #undef llrintf
00024 
00025 long int
00026 __lrintf (float x)
00027 {
00028   double tmp;
00029   long ret;
00030 
00031   __asm ("cvtst/s %2,%1\n\tcvttq/svd %1,%0"
00032         : "=&f"(ret), "=&f"(tmp) : "f"(x));
00033 
00034   return ret;
00035 }
00036 
00037 strong_alias (__lrintf, __llrintf)
00038 weak_alias (__lrintf, lrintf)
00039 weak_alias (__llrintf, llrintf)