glibc/stdlib/tst-strtod.h

/* Common utilities for testing strtod and its derivatives.
   This file is part of the GNU C Library.
   Copyright (C) 2016 Free Software Foundation, Inc.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#ifndef _TST_STRTOD_H
#define _TST_STRTOD_H

#define FSTRLENMAX 128

/* Splat n variants of the same test for the various strtod functions.  */
#define GEN_TEST_STRTOD_FOREACH(mfunc, ...)			 \
    mfunc (  f,       float, snprintf,  "", f, f, ##__VA_ARGS__) \
    mfunc (  d,      double, snprintf,  "",  ,  , ##__VA_ARGS__) \
    mfunc ( ld, long double, snprintf, "L", L, l, ##__VA_ARGS__)
/* The arguments to the generated macros are:
   FSUF - Function suffix
   FTYPE - float type
   FTOSTR - float to string func
   FTOSTRM - Optional modifier for FTOSTR format
   LSUF - Literal suffix
   CSUF - C standardish suffix for many of the math functions
*/



#define STRTOD_TEST_FOREACH(mfunc, ...)	  \
({					  \
   int result = 0;			  \
   result |= mfunc ## f  (__VA_ARGS__);   \
   result |= mfunc ## d  (__VA_ARGS__);   \
   result |= mfunc ## ld (__VA_ARGS__);   \
   result;				  \
})


#endif