benchtests/bench-modf.c

   1 /* Copyright (C) 2013-2014 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 extern double modf (double, double *);
  19
  20 #define CALL_BENCH_FUNC(j, i) modf (in[j].arg0, &i);
  21
  22 struct args
  23 {
  24   volatile double arg0;
  25 } in[] =
  26 {
  27   {  42.42 },
  28   { -42.42 }
  29 };
  30
  31 #define NUM_VARIANTS 1
  32 #define NUM_SAMPLES(v) (sizeof (in) / sizeof (struct args))
  33
  34 static volatile double ret = 0.0;
  35 #define BENCH_FUNC(v, j) \
  36 ({                                                                            \
  37   double iptr;                                                                \
  38   ret =  CALL_BENCH_FUNC (j, iptr);                                           \
  39 })
  40
  41 #define FUNCNAME "modf"
  42 #define VARIANT(v) FUNCNAME "()"
  43
  44 #include "bench-skeleton.c"