stdlib/tst-strtod.h

   1 /* Common utilities for testing strtod and its derivatives.
   2    This file is part of the GNU C Library.
   3    Copyright (C) 2016 Free Software Foundation, Inc.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the 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    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _TST_STRTOD_H
  20 #define _TST_STRTOD_H
  21
  22 #define FSTRLENMAX 128
  23
  24 /* Splat n variants of the same test for the various strtod functions.  */
  25 #define GEN_TEST_STRTOD_FOREACH(mfunc)            \
  26     mfunc (  f,       float, snprintf,  "", f, f) \
  27     mfunc (  d,      double, snprintf,  "",  ,  ) \
  28     mfunc ( ld, long double, snprintf, "L", L, l)
  29 /* The arguments to the generated macros are:
  30    FSUF - Function suffix
  31    FTYPE - float type
  32    FTOSTR - float to string func
  33    FTOSTRM - Optional modifier for FTOSTR format
  34    LSUF - Literal suffix
  35    CSUF - C standardish suffix for many of the math functions
  36 */
  37
  38
  39
  40 #define STRTOD_TEST_FOREACH(mfunc, ...)   \
  41 ({                                        \
  42    int result = 0;                        \
  43    result |= mfunc ## f  (__VA_ARGS__);   \
  44    result |= mfunc ## d  (__VA_ARGS__);   \
  45    result |= mfunc ## ld (__VA_ARGS__);   \
  46    result;                                \
  47 })
  48
  49
  50 #endif