ports/sysdeps/alpha/fpu/s_lrint.c

   1 /* Copyright (C) 2007-2014 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, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #define __llrint        not___llrint
  19 #define llrint          not_llrint
  20 #include <math.h>
  21 #include <math_ldbl_opt.h>
  22 #undef __llrint
  23 #undef llrint
  24
  25 long int
  26 __lrint (double x)
  27 {
  28   long ret;
  29
  30   __asm ("cvttq/svd %1,%0" : "=&f"(ret) : "f"(x));
  31
  32   return ret;
  33 }
  34
  35 strong_alias (__lrint, __llrint)
  36 weak_alias (__lrint, lrint)
  37 weak_alias (__llrint, llrint)
  38 #ifdef NO_LONG_DOUBLE
  39 strong_alias (__lrint, __lrintl)
  40 strong_alias (__lrint, __llrintl)
  41 weak_alias (__lrintl, lrintl)
  42 weak_alias (__llrintl, llrintl)
  43 #endif
  44 #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
  45 compat_symbol (libm, __lrint, lrintl, GLIBC_2_1);
  46 compat_symbol (libm, __llrint, llrintl, GLIBC_2_1);
  47 #endif