252 lines
7.3 KiB
C
252 lines
7.3 KiB
C
/*
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* Output various information about GMP and MPFR.
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*/
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/*
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Copyright 2010-2022 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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https://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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static void patches (void)
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{
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const char *p = mpfr_get_patches ();
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printf ("MPFR patches: %s\n", p[0] ? p : "[none]");
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}
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#define STRINGIZE(S) #S
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#define MAKE_STR(S) STRINGIZE(S)
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#define SIGNED_STR(V) ((V) < 0 ? "signed" : "unsigned")
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#define SIGNED(I) SIGNED_STR((I) - (I) - 1)
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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];
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int i;
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/* Casts are for C++ compilers. */
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for (i = 0; i < (int) (sizeof (t) / sizeof (mp_limb_t)); i++)
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t[i] = (mp_limb_t) -1;
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/**************** Information about the C implementation ****************/
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/* This is useful, as this can affect the behavior of MPFR. */
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#define COMP "Compiler: "
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#ifdef __INTEL_COMPILER
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# ifdef __VERSION__
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# define ICCV " [" __VERSION__ "]"
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# else
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# define ICCV ""
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# endif
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printf (COMP "ICC %d.%d.%d" ICCV "\n", __INTEL_COMPILER / 100,
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__INTEL_COMPILER % 100, __INTEL_COMPILER_UPDATE);
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#elif defined(__TINYC__)
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/* The format of __TINYC__ is not described, but libtcc.c defines it with
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* sprintf(buffer, "%d", a*10000 + b*100 + c);
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* tcc_define_symbol(s, "__TINYC__", buffer);
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*/
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printf (COMP "TCC %d.%d.%d\n", (int) (__TINYC__ / 10000),
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(int) ((__TINYC__ / 100) % 100), (int) (__TINYC__ % 100));
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#elif (defined(__GNUC__) || defined(__clang__)) && defined(__VERSION__)
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# ifdef __clang__
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# define COMP2 COMP
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# else
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# define COMP2 COMP "GCC "
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# endif
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printf (COMP2 "%s\n", __VERSION__);
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#endif
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#if defined(__STDC__) || defined(__STDC_VERSION__)
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printf ("C/C++: __STDC__ = "
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#if defined(__STDC__)
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MAKE_STR(__STDC__)
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#else
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"undef"
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#endif
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", __STDC_VERSION__ = "
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#if defined(__STDC_VERSION__)
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MAKE_STR(__STDC_VERSION__)
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#else
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"undef"
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#endif
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#if defined(__cplusplus)
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", C++"
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#endif
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"\n");
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#endif
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#if defined(__GNUC__)
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printf ("GNU compatibility: __GNUC__ = " MAKE_STR(__GNUC__)
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", __GNUC_MINOR__ = "
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#if defined(__GNUC_MINOR__)
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MAKE_STR(__GNUC_MINOR__)
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#else
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"undef"
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#endif
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"\n");
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#endif
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#if defined(__ICC) || defined(__INTEL_COMPILER)
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printf ("Intel compiler: __ICC = "
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#if defined(__ICC)
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MAKE_STR(__ICC)
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#else
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"undef"
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#endif
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", __INTEL_COMPILER = "
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#if defined(__INTEL_COMPILER)
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MAKE_STR(__INTEL_COMPILER)
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#else
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"undef"
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#endif
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"\n");
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#endif
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#if defined(_WIN32) || defined(_MSC_VER)
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printf ("MS Windows: _WIN32 = "
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#if defined(_WIN32)
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MAKE_STR(_WIN32)
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#else
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"undef"
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#endif
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", _MSC_VER = "
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#if defined(_MSC_VER)
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MAKE_STR(_MSC_VER)
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#else
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"undef"
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#endif
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"\n");
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#endif
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#if defined(__GLIBC__)
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printf ("GNU C library: __GLIBC__ = " MAKE_STR(__GLIBC__)
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", __GLIBC_MINOR__ = "
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#if defined(__GLIBC_MINOR__)
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MAKE_STR(__GLIBC_MINOR__)
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#else
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"undef"
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#endif
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"\n");
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#endif
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printf ("\n");
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/************************************************************************/
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#if defined(__MPIR_VERSION)
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printf ("MPIR .... Library: %-12s Header: %d.%d.%d\n",
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mpir_version, __MPIR_VERSION, __MPIR_VERSION_MINOR,
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__MPIR_VERSION_PATCHLEVEL);
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#else
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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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#endif
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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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printf ("MPFR features: TLS = %s", mpfr_buildopt_tls_p () ? "yes" : "no");
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#if MPFR_VERSION_MAJOR >= 4
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printf (", float128 = %s", mpfr_buildopt_float128_p () ? "yes" : "no");
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#endif
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printf (", decimal = %s", 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 /* 3.1 */
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printf ("\n");
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patches ();
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printf ("\n");
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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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printf ("\n");
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printf ("sizeof(mpfr_prec_t) = %d (%s type)\n", (int) sizeof(mpfr_prec_t),
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SIGNED_STR((mpfr_prec_t) -1));
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printf ("sizeof(mpfr_exp_t) = %d (%s type)\n", (int) sizeof(mpfr_exp_t),
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SIGNED_STR((mpfr_exp_t) -1));
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#ifdef _MPFR_PREC_FORMAT
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printf ("_MPFR_PREC_FORMAT = %d\n", (int) _MPFR_PREC_FORMAT);
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#endif
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/* Note: "long" is sufficient for all current _MPFR_PREC_FORMAT values
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(1, 2, 3). Thus we do not need to depend on ISO C99 or later. */
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printf ("MPFR_PREC_MIN = %ld (%s)\n", (long) MPFR_PREC_MIN,
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SIGNED (MPFR_PREC_MIN));
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printf ("MPFR_PREC_MAX = %ld (%s)\n", (long) MPFR_PREC_MAX,
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SIGNED (MPFR_PREC_MAX));
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#ifdef _MPFR_EXP_FORMAT
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printf ("_MPFR_EXP_FORMAT = %d\n", (int) _MPFR_EXP_FORMAT);
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#endif
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printf ("sizeof(mpfr_t) = %d\n", (int) sizeof(mpfr_t));
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printf ("sizeof(mpfr_ptr) = %d\n", (int) sizeof(mpfr_ptr));
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failure_test ();
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mpfr_free_cache ();
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return 0;
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}
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