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/* Test file for multiple mpfr.h inclusion and intmax_t related functions
Copyright 2010-2017 Free Software Foundation, Inc.
Contributed by the AriC and Caramba projects, INRIA.
This file is part of the GNU MPFR Library.
The GNU MPFR 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 3 of the License, or (at your
option) any later version.
The GNU MPFR 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 MPFR Library; see the file COPYING.LESSER. If not, see
http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
#if HAVE_STDINT_H
#if _MPFR_EXP_FORMAT == 4
/* If mpfr_exp_t is defined as intmax_t, intmax_t must be defined before
the inclusion of mpfr.h (this test doesn't use mpfr-impl.h). */
# include <stdint.h>
#endif
#ifdef MPFR_USE_MINI_GMP
#include "mpfr-test.h"
#endif
/* One of the goals of this test is to detect potential issues with the
* following case in user code:
*
* #include <some_lib.h>
* #include <stdint.h>
* #define MPFR_USE_INTMAX_T
* #include <mpfr.h>
*
* where some_lib.h has "#include <mpfr.h>". So, the mpfr.h header file
* is included multiple times, a first time without <stdint.h> before,
* and a second time with <stdint.h> support. We need to make sure that
* the second inclusion is not a no-op due to some #include guard. This
* was fixed in r7320.
*
* With mini-gmp, mpfr-impl.h is included first, but this should not
* affect this test.
*
* Note: If _MPFR_EXP_FORMAT == 4 (which is never the case by default),
* a part of the above check is not done because <stdint.h> is included
* before the first mpfr.h inclusion (see above).
*/
#include <mpfr.h>
#include <stdint.h>
#define MPFR_USE_INTMAX_T
#include <mpfr.h>
#include "mpfr-test.h"
int
main (void)
{
mpfr_t x;
intmax_t j;
tests_start_mpfr ();
mpfr_init_set_ui (x, 1, MPFR_RNDN);
j = mpfr_get_uj (x, MPFR_RNDN);
mpfr_clear (x);
if (j != 1)
{
#ifdef MPFR_PRINTF_MAXLM
printf ("Error: got %" MPFR_PRINTF_MAXLM "d instead of 1.\n", j);
#else
printf ("Error: did not get 1.\n");
#endif
exit (1);
}
tests_end_mpfr ();
return 0;
}
#else /* HAVE_STDINT_H */
/* The test is disabled. */
int
main (void)
{
return 77;
}
#endif /* HAVE_STDINT_H */
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