glibc/math/test-tgmath-ret.c

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/* Test compilation of tgmath macros.
Copyright (C) 2003-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 2003.
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/>. */
#include <math.h>
#include <complex.h>
#include <tgmath.h>
#include <stdio.h>
static float fx;
static double dx;
static long double lx;
static int errors = 0;
static void
our_error (const char *c)
{
puts (c);
++errors;
}
/* First function where the return type is constant. */
#define CHECK_RET_CONST_TYPE(func, rettype, arg, name) \
if (sizeof (func (arg)) != sizeof (rettype)) \
our_error ("Return size of " #func " is wrong with " #name " argument");
#define CHECK_RET_CONST_FLOAT(func, rettype) \
CHECK_RET_CONST_TYPE (func, rettype, fx, float)
#define CHECK_RET_CONST_DOUBLE(func, rettype) \
CHECK_RET_CONST_TYPE (func, rettype, dx, double)
#ifdef NO_LONG_DOUBLE
# define CHECK_RET_CONST_LDOUBLE(func, rettype)
#else
# define CHECK_RET_CONST_LDOUBLE(func, rettype) \
CHECK_RET_CONST_TYPE (func, rettype, lx, long double)
#endif
#define CHECK_RET_CONST(func, rettype) \
static void \
check_return_ ##func (void) \
{ \
CHECK_RET_CONST_FLOAT (func, rettype) \
CHECK_RET_CONST_DOUBLE (func, rettype) \
CHECK_RET_CONST_LDOUBLE (func, rettype) \
}
CHECK_RET_CONST(ilogb, int)
CHECK_RET_CONST(lrint, long)
CHECK_RET_CONST(lround, long)
CHECK_RET_CONST(llrint, long long)
CHECK_RET_CONST(llround, long long)
static int
do_test (void)
{
check_return_ilogb ();
check_return_lrint ();
check_return_lround ();
check_return_llrint ();
check_return_llround ();
printf ("%Zd\n", sizeof(carg (lx)));
return errors != 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"