sysdeps/powerpc/fpu/s_floor.c

   1 /* Largest integral value not greater than argument.  PowerPC version.
   2    Copyright (C) 2019 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If
  17    not, see <https://www.gnu.org/licenses/>.  */
  18
  19 #define NO_MATH_REDIRECT
  20 #include <math.h>
  21 #include <libm-alias-double.h>
  22 #include <round_to_integer.h>
  23
  24 double
  25 __floor (double x)
  26 {
  27 #ifdef _ARCH_PWR5X
  28   return __builtin_floor (x);
  29 #else
  30   return round_to_integer_double (FLOOR, x);
  31 #endif
  32 }
  33 #ifndef __floor
  34 libm_alias_double (__floor, floor)
  35 #endif