t-mp_bases.c
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上传日期:2022-08-06
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- /* Check mp_bases values.
- Copyright 2002 Free Software Foundation, Inc.
- This file is part of the GNU MP Library.
- The GNU MP 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 MP 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 MP Library. If not, see http://www.gnu.org/licenses/. */
- #include <stdio.h>
- #include <stdlib.h>
- #include "gmp.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 wrongn");
- abort ();
- }
- want_bb = refmpn_big_base (10);
- if (MP_BASES_BIG_BASE_10 != want_bb)
- {
- printf ("MP_BASES_BIG_BASE_10 wrongn");
- 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 wrongn");
- abort ();
- }
- if (MP_BASES_NORMALIZATION_STEPS_10
- != refmpn_count_leading_zeros (MP_BASES_BIG_BASE_10))
- {
- printf ("MP_BASES_NORMALIZATION_STEPS_10 wrongn");
- 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 wrongn", base);
- printf (" got %dn", mp_bases[base].chars_per_limb);
- printf (" want %dn", 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) wrongn", base);
- abort ();
- }
- }
- else
- {
- want_bb = refmpn_big_base (base);
- if (mp_bases[base].big_base != want_bb)
- {
- printf ("mp_bases[%d].big_base wrongn", 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 wrongn", base);
- abort ();
- }
- #endif
- }
- }
- exit (0);
- }