sysdeps/alpha/fpu/s_lrint.c

   1 /* Copyright (C) 2007 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #define __llrint        not___llrint
  20 #define llrint          not_llrint
  21 #include <math.h>
  22 #include <math_ldbl_opt.h>
  23 #undef __llrint
  24 #undef llrint
  25
  26 long int
  27 __lrint (double x)
  28 {
  29   long ret;
  30
  31   __asm ("cvttq/svd %1,%0" : "=&f"(ret) : "f"(x));
  32
  33   return ret;
  34 }
  35
  36 strong_alias (__lrint, __llrint)
  37 weak_alias (__lrint, lrint)
  38 weak_alias (__llrint, llrint)
  39 #ifdef NO_LONG_DOUBLE
  40 strong_alias (__lrint, __lrintl)
  41 strong_alias (__lrint, __llrintl)
  42 weak_alias (__lrintl, lrintl)
  43 weak_alias (__llrintl, llrintl)
  44 #endif
  45 #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
  46 compat_symbol (libm, __lrint, lrintl, GLIBC_2_1);
  47 compat_symbol (libm, __llrint, llrintl, GLIBC_2_1);
  48 #endif