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/*
* Output various information about GMP and MPFR.
*/
/*
Copyright 2010-2016 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.
*/
#include <stdio.h>
#include <limits.h>
#include <gmp.h>
#include <mpfr.h>
#define SIGNED_STR(V) ((V) < 0 ? "signed" : "unsigned")
#define SIGNED(I) SIGNED_STR((I) - (I) - 1)
/* The following failure can occur if GMP has been rebuilt with
* a different ABI, e.g.
* 1. GMP built with ABI=mode32.
* 2. MPFR built against this GMP version.
* 3. GMP rebuilt with ABI=32.
*/
static void failure_test (void)
{
mpfr_t x;
mpfr_init2 (x, 128);
mpfr_set_str (x, "17", 0, MPFR_RNDN);
if (mpfr_cmp_ui (x, 17) != 0)
printf ("\nFailure in mpfr_set_str! Probably an unmatched ABI!\n");
mpfr_clear (x);
}
int main (void)
{
unsigned long c;
mp_limb_t t[4] = { -1, -1, -1, -1 };
#if defined(__cplusplus)
printf ("A C++ compiler is used.\n");
#endif
printf ("GMP ..... Library: %-12s Header: %d.%d.%d\n",
gmp_version, __GNU_MP_VERSION, __GNU_MP_VERSION_MINOR,
__GNU_MP_VERSION_PATCHLEVEL);
printf ("MPFR .... Library: %-12s Header: %s (based on %d.%d.%d)\n",
mpfr_get_version (), MPFR_VERSION_STRING, MPFR_VERSION_MAJOR,
MPFR_VERSION_MINOR, MPFR_VERSION_PATCHLEVEL);
#if MPFR_VERSION_MAJOR >= 3
printf ("MPFR features: TLS = %s, decimal = %s",
mpfr_buildopt_tls_p () ? "yes" : "no",
mpfr_buildopt_decimal_p () ? "yes" : "no");
# if MPFR_VERSION_MAJOR > 3 || MPFR_VERSION_MINOR >= 1
printf (", GMP internals = %s\nMPFR tuning: %s",
mpfr_buildopt_gmpinternals_p () ? "yes" : "no",
mpfr_buildopt_tune_case ());
# endif
printf ("\n");
#endif
printf ("MPFR patches: %s\n\n", mpfr_get_patches ());
#ifdef __GMP_CC
printf ("__GMP_CC = \"%s\"\n", __GMP_CC);
#endif
#ifdef __GMP_CFLAGS
printf ("__GMP_CFLAGS = \"%s\"\n", __GMP_CFLAGS);
#endif
printf ("GMP_LIMB_BITS = %d\n", (int) GMP_LIMB_BITS);
printf ("GMP_NAIL_BITS = %d\n", (int) GMP_NAIL_BITS);
printf ("GMP_NUMB_BITS = %d\n", (int) GMP_NUMB_BITS);
printf ("mp_bits_per_limb = %d\n", (int) mp_bits_per_limb);
printf ("sizeof(mp_limb_t) = %d\n", (int) sizeof(mp_limb_t));
if (mp_bits_per_limb != GMP_LIMB_BITS)
printf ("Warning! mp_bits_per_limb != GMP_LIMB_BITS\n");
if (GMP_LIMB_BITS != sizeof(mp_limb_t) * CHAR_BIT)
printf ("Warning! GMP_LIMB_BITS != sizeof(mp_limb_t) * CHAR_BIT\n");
c = mpn_popcount (t, 1);
printf ("The GMP library expects %lu bits in a mp_limb_t.\n", c);
if (c != GMP_LIMB_BITS)
printf ("Warning! This is different from GMP_LIMB_BITS!\n"
"Different ABI caused by a GMP library upgrade?\n");
printf ("\n");
printf ("sizeof(mpfr_prec_t) = %d (%s type)\n", (int) sizeof(mpfr_prec_t),
SIGNED_STR((mpfr_prec_t) -1));
#if MPFR_VERSION_MAJOR >= 3
printf ("sizeof(mpfr_exp_t) = %d (%s type)\n", (int) sizeof(mpfr_exp_t),
SIGNED_STR((mpfr_exp_t) -1));
#endif
#ifdef _MPFR_PREC_FORMAT
printf ("_MPFR_PREC_FORMAT = %d\n", (int) _MPFR_PREC_FORMAT);
#endif
/* Note: "long" is sufficient for all current _MPFR_PREC_FORMAT values
(1, 2, 3). Thus we do not need to depend on ISO C99 or later. */
printf ("MPFR_PREC_MIN = %ld (%s)\n", (long) MPFR_PREC_MIN,
SIGNED (MPFR_PREC_MIN));
printf ("MPFR_PREC_MAX = %ld (%s)\n", (long) MPFR_PREC_MAX,
SIGNED (MPFR_PREC_MAX));
#ifdef _MPFR_EXP_FORMAT
printf ("_MPFR_EXP_FORMAT = %d\n", (int) _MPFR_EXP_FORMAT);
#endif
printf ("sizeof(mpfr_t) = %d\n", (int) sizeof(mpfr_t));
failure_test ();
return 0;
}
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