/* * Output various information about GMP and MPFR. */ /* Copyright 2010-2018 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 #include #include #include /* 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); } static void patches (void) { const char *p = mpfr_get_patches (); printf ("MPFR patches: %s\n", p[0] ? p : "[none]"); } #define STRINGIZE(S) #S #define MAKE_STR(S) STRINGIZE(S) #define SIGNED_STR(V) ((V) < 0 ? "signed" : "unsigned") #define SIGNED(I) SIGNED_STR((I) - (I) - 1) int main (void) { unsigned long c; mp_limb_t t[4]; int i; /* Casts are for C++ compilers. */ for (i = 0; i < (int) (sizeof (t) / sizeof (mp_limb_t)); i++) t[i] = (mp_limb_t) -1; /**************** Information about the C implementation ****************/ /* This is useful, as this can affect the behavior of MPFR. */ #define COMP "Compiler: " #ifdef __INTEL_COMPILER # ifdef __VERSION__ # define ICCV " [" __VERSION__ "]" # else # define ICCV "" # endif printf (COMP "ICC %d.%d.%d" ICCV "\n", __INTEL_COMPILER / 100, __INTEL_COMPILER % 100, __INTEL_COMPILER_UPDATE); #elif (defined(__GNUC__) || defined(__clang__)) && defined(__VERSION__) # ifdef __clang__ # define COMP2 COMP # else # define COMP2 COMP "GCC " # endif printf (COMP2 "%s\n", __VERSION__); #endif #if defined(__STDC__) || defined(__STDC_VERSION__) printf ("C/C++: __STDC__ = " #if defined(__STDC__) MAKE_STR(__STDC__) #else "undef" #endif ", __STDC_VERSION__ = " #if defined(__STDC_VERSION__) MAKE_STR(__STDC_VERSION__) #else "undef" #endif #if defined(__cplusplus) ", C++" #endif "\n"); #endif #if defined(__GNUC__) printf ("GNU compatibility: __GNUC__ = " MAKE_STR(__GNUC__) ", __GNUC_MINOR__ = " #if defined(__GNUC_MINOR__) MAKE_STR(__GNUC_MINOR__) #else "undef" #endif "\n"); #endif #if defined(__ICC) || defined(__INTEL_COMPILER) printf ("Intel compiler: __ICC = " #if defined(__ICC) MAKE_STR(__ICC) #else "undef" #endif ", __INTEL_COMPILER = " #if defined(__INTEL_COMPILER) MAKE_STR(__INTEL_COMPILER) #else "undef" #endif "\n"); #endif #if defined(_WIN32) || defined(_MSC_VER) printf ("MS Windows: _WIN32 = " #if defined(_WIN32) MAKE_STR(_WIN32) #else "undef" #endif ", _MSC_VER = " #if defined(_MSC_VER) MAKE_STR(_MSC_VER) #else "undef" #endif "\n"); #endif #if defined(__GLIBC__) printf ("GNU C library: __GLIBC__ = " MAKE_STR(__GLIBC__) ", __GLIBC_MINOR__ = " #if defined(__GLIBC_MINOR__) MAKE_STR(__GLIBC_MINOR__) #else "undef" #endif "\n"); #endif printf ("\n"); /************************************************************************/ #if defined(__MPIR_VERSION) printf ("MPIR .... Library: %-12s Header: %d.%d.%d\n", mpir_version, __MPIR_VERSION, __MPIR_VERSION_MINOR, __MPIR_VERSION_PATCHLEVEL); #else printf ("GMP ..... Library: %-12s Header: %d.%d.%d\n", gmp_version, __GNU_MP_VERSION, __GNU_MP_VERSION_MINOR, __GNU_MP_VERSION_PATCHLEVEL); #endif 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); printf ("MPFR features: TLS = %s", mpfr_buildopt_tls_p () ? "yes" : "no"); #if MPFR_VERSION_MAJOR >= 4 printf (", float128 = %s", mpfr_buildopt_float128_p () ? "yes" : "no"); #endif printf (", decimal = %s", 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 /* 3.1 */ printf ("\n"); patches (); printf ("\n"); #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)); printf ("sizeof(mpfr_exp_t) = %d (%s type)\n", (int) sizeof(mpfr_exp_t), SIGNED_STR((mpfr_exp_t) -1)); #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)); printf ("sizeof(mpfr_ptr) = %d\n", (int) sizeof(mpfr_ptr)); failure_test (); mpfr_free_cache (); return 0; }