112 lines
3.6 KiB
C
112 lines
3.6 KiB
C
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/*
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* Output various information about GMP and MPFR.
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*/
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/*
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Copyright 2010-2016 Free Software Foundation, Inc.
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Contributed by the AriC and Caramba projects, INRIA.
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This file is part of the GNU MPFR Library.
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The GNU MPFR Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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The GNU MPFR Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see
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http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
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51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <limits.h>
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#include <gmp.h>
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#include <mpfr.h>
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/* The following failure can occur if GMP has been rebuilt with
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* a different ABI, e.g.
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* 1. GMP built with ABI=mode32.
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* 2. MPFR built against this GMP version.
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* 3. GMP rebuilt with ABI=32.
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*/
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static void failure_test (void)
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{
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mpfr_t x;
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mpfr_init2 (x, 128);
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mpfr_set_str (x, "17", 0, MPFR_RNDN);
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if (mpfr_cmp_ui (x, 17) != 0)
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printf ("\nFailure in mpfr_set_str! Probably an unmatched ABI!\n");
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mpfr_clear (x);
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}
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int main (void)
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{
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unsigned long c;
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mp_limb_t t[4] = { -1, -1, -1, -1 };
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#if defined(__cplusplus)
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printf ("A C++ compiler is used.\n");
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#endif
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printf ("GMP ..... Library: %-12s Header: %d.%d.%d\n",
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gmp_version, __GNU_MP_VERSION, __GNU_MP_VERSION_MINOR,
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__GNU_MP_VERSION_PATCHLEVEL);
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printf ("MPFR .... Library: %-12s Header: %s (based on %d.%d.%d)\n",
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mpfr_get_version (), MPFR_VERSION_STRING, MPFR_VERSION_MAJOR,
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MPFR_VERSION_MINOR, MPFR_VERSION_PATCHLEVEL);
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#if MPFR_VERSION_MAJOR >= 3
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printf ("MPFR features: TLS = %s, decimal = %s",
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mpfr_buildopt_tls_p () ? "yes" : "no",
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mpfr_buildopt_decimal_p () ? "yes" : "no");
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# if MPFR_VERSION_MAJOR > 3 || MPFR_VERSION_MINOR >= 1
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printf (", GMP internals = %s\nMPFR tuning: %s",
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mpfr_buildopt_gmpinternals_p () ? "yes" : "no",
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mpfr_buildopt_tune_case ());
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# endif
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printf ("\n");
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#endif
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printf ("MPFR patches: %s\n\n", mpfr_get_patches ());
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#ifdef __GMP_CC
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printf ("__GMP_CC = \"%s\"\n", __GMP_CC);
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#endif
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#ifdef __GMP_CFLAGS
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printf ("__GMP_CFLAGS = \"%s\"\n", __GMP_CFLAGS);
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#endif
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printf ("GMP_LIMB_BITS = %d\n", (int) GMP_LIMB_BITS);
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printf ("GMP_NAIL_BITS = %d\n", (int) GMP_NAIL_BITS);
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printf ("GMP_NUMB_BITS = %d\n", (int) GMP_NUMB_BITS);
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printf ("mp_bits_per_limb = %d\n", (int) mp_bits_per_limb);
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printf ("sizeof(mp_limb_t) = %d\n", (int) sizeof(mp_limb_t));
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if (mp_bits_per_limb != GMP_LIMB_BITS)
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printf ("Warning! mp_bits_per_limb != GMP_LIMB_BITS\n");
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if (GMP_LIMB_BITS != sizeof(mp_limb_t) * CHAR_BIT)
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printf ("Warning! GMP_LIMB_BITS != sizeof(mp_limb_t) * CHAR_BIT\n");
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c = mpn_popcount (t, 1);
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printf ("The GMP library expects %lu bits in a mp_limb_t.\n", c);
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if (c != GMP_LIMB_BITS)
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printf ("Warning! This is different from GMP_LIMB_BITS!\n"
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"Different ABI caused by a GMP library upgrade?\n");
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#if MPFR_VERSION_MAJOR >= 3
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printf ("\n");
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printf ("sizeof(mpfr_prec_t) = %d\n", (int) sizeof(mpfr_prec_t));
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printf ("sizeof(mpfr_exp_t) = %d\n", (int) sizeof(mpfr_exp_t));
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#endif
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failure_test ();
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return 0;
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}
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