Back to index

glibc  2.9
s_lrint.c
Go to the documentation of this file.
00001 /* Round argument to nearest integral value according to current rounding
00002    direction.
00003    Copyright (C) 1997 Free Software Foundation, Inc.
00004    This file is part of the GNU C Library.
00005    Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
00006 
00007    The GNU C Library is free software; you can redistribute it and/or
00008    modify it under the terms of the GNU Lesser General Public
00009    License as published by the Free Software Foundation; either
00010    version 2.1 of the License, or (at your option) any later version.
00011 
00012    The GNU C Library is distributed in the hope that it will be useful,
00013    but WITHOUT ANY WARRANTY; without even the implied warranty of
00014    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015    Lesser General Public License for more details.
00016 
00017    You should have received a copy of the GNU Lesser General Public
00018    License along with the GNU C Library; if not, write to the Free
00019    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00020    02111-1307 USA.  */
00021 
00022 #include <math.h>
00023 
00024 #ifndef suffix
00025 #define suffix /*empty*/
00026 #endif
00027 #ifndef float_type
00028 #define float_type double
00029 #endif
00030 
00031 #define CONCATX(a,b) __CONCAT(a,b)
00032 
00033 long int
00034 CONCATX(__lrint,suffix) (float_type x)
00035 {
00036   return __m81_u(CONCATX(__lrint,suffix)) (x);
00037 }
00038 
00039 #define weak_aliasx(a,b) weak_alias(a,b)
00040 weak_aliasx (CONCATX(__lrint,suffix), CONCATX(lrint,suffix))