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glibc  2.9
s_lrint.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 __llrint     not___llrint
00020 #define llrint              not_llrint
00021 #include <math.h>
00022 #include <math_ldbl_opt.h>
00023 #undef __llrint
00024 #undef llrint
00025 
00026 long int
00027 __lrint (double x)
00028 {
00029   long ret;
00030 
00031   __asm ("cvttq/svd %1,%0" : "=&f"(ret) : "f"(x));
00032 
00033   return ret;
00034 }
00035 
00036 strong_alias (__lrint, __llrint)
00037 weak_alias (__lrint, lrint)
00038 weak_alias (__llrint, llrint)
00039 #ifdef NO_LONG_DOUBLE
00040 strong_alias (__lrint, __lrintl)
00041 strong_alias (__lrint, __llrintl)
00042 weak_alias (__lrintl, lrintl)
00043 weak_alias (__llrintl, llrintl)
00044 #endif
00045 #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
00046 compat_symbol (libm, __lrint, lrintl, GLIBC_2_1);
00047 compat_symbol (libm, __llrint, llrintl, GLIBC_2_1);
00048 #endif