diff options
Diffstat (limited to 'vendor/gmp-6.3.0/tests/mpn/t-mp_bases.c')
-rw-r--r-- | vendor/gmp-6.3.0/tests/mpn/t-mp_bases.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/tests/mpn/t-mp_bases.c b/vendor/gmp-6.3.0/tests/mpn/t-mp_bases.c new file mode 100644 index 0000000..deb7f5c --- /dev/null +++ b/vendor/gmp-6.3.0/tests/mpn/t-mp_bases.c @@ -0,0 +1,104 @@ +/* Check mp_bases values. + +Copyright 2002 Free Software Foundation, Inc. + +This file is part of the GNU MP Library test suite. + +The GNU MP Library test suite is free software; you can redistribute it +and/or modify it under the terms of the GNU 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 MP Library test suite 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 General +Public License for more details. + +You should have received a copy of the GNU General Public License along with +the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */ + +#include <stdio.h> +#include <stdlib.h> +#include "gmp-impl.h" +#include "longlong.h" +#include "tests.h" + + +int +main (int argc, char *argv[]) +{ + mp_limb_t want_bb, want_bb_inv; + int base, want_chars_per_limb; + + want_chars_per_limb = refmpn_chars_per_limb (10); + if (MP_BASES_CHARS_PER_LIMB_10 != want_chars_per_limb) + { + printf ("MP_BASES_CHARS_PER_LIMB_10 wrong\n"); + abort (); + } + + want_bb = refmpn_big_base (10); + if (MP_BASES_BIG_BASE_10 != want_bb) + { + printf ("MP_BASES_BIG_BASE_10 wrong\n"); + abort (); + } + + want_bb_inv = refmpn_invert_limb + (want_bb << refmpn_count_leading_zeros (want_bb)); + if (MP_BASES_BIG_BASE_INVERTED_10 != want_bb_inv) + { + printf ("MP_BASES_BIG_BASE_INVERTED_10 wrong\n"); + abort (); + } + + if (MP_BASES_NORMALIZATION_STEPS_10 + != refmpn_count_leading_zeros (MP_BASES_BIG_BASE_10)) + { + printf ("MP_BASES_NORMALIZATION_STEPS_10 wrong\n"); + abort (); + } + + for (base = 2; base < numberof (mp_bases); base++) + { + want_chars_per_limb = refmpn_chars_per_limb (base); + if (mp_bases[base].chars_per_limb != want_chars_per_limb) + { + printf ("mp_bases[%d].chars_per_limb wrong\n", base); + printf (" got %d\n", mp_bases[base].chars_per_limb); + printf (" want %d\n", want_chars_per_limb); + abort (); + } + + if (POW2_P (base)) + { + want_bb = refmpn_count_trailing_zeros ((mp_limb_t) base); + if (mp_bases[base].big_base != want_bb) + { + printf ("mp_bases[%d].big_base (log2 of base) wrong\n", base); + abort (); + } + } + else + { + want_bb = refmpn_big_base (base); + if (mp_bases[base].big_base != want_bb) + { + printf ("mp_bases[%d].big_base wrong\n", base); + abort (); + } + +#if USE_PREINV_DIVREM_1 + want_bb_inv = refmpn_invert_limb + (want_bb << refmpn_count_leading_zeros (want_bb)); + if (mp_bases[base].big_base_inverted != want_bb_inv) + { + printf ("mp_bases[%d].big_base_inverted wrong\n", base); + abort (); + } +#endif + } + } + + exit (0); +} |