1 /* Check mp_bases values. 2 3 Copyright 2002 Free Software Foundation, Inc. 4 5 This file is part of the GNU MP Library. 6 7 The GNU MP Library is free software; you can redistribute it and/or modify 8 it under the terms of the GNU Lesser General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or (at your 10 option) any later version. 11 12 The GNU MP Library is distributed in the hope that it will be useful, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 15 License for more details. 16 17 You should have received a copy of the GNU Lesser General Public License 18 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ 19 20 #include <stdio.h> 21 #include <stdlib.h> 22 #include "gmp.h" 23 #include "gmp-impl.h" 24 #include "longlong.h" 25 #include "tests.h" 26 27 28 int 29 main (int argc, char *argv[]) 30 { 31 mp_limb_t want_bb, want_bb_inv; 32 int base, want_chars_per_limb; 33 34 want_chars_per_limb = refmpn_chars_per_limb (10); 35 if (MP_BASES_CHARS_PER_LIMB_10 != want_chars_per_limb) 36 { 37 printf ("MP_BASES_CHARS_PER_LIMB_10 wrong\n"); 38 abort (); 39 } 40 41 want_bb = refmpn_big_base (10); 42 if (MP_BASES_BIG_BASE_10 != want_bb) 43 { 44 printf ("MP_BASES_BIG_BASE_10 wrong\n"); 45 abort (); 46 } 47 48 want_bb_inv = refmpn_invert_limb 49 (want_bb << refmpn_count_leading_zeros (want_bb)); 50 if (MP_BASES_BIG_BASE_INVERTED_10 != want_bb_inv) 51 { 52 printf ("MP_BASES_BIG_BASE_INVERTED_10 wrong\n"); 53 abort (); 54 } 55 56 if (MP_BASES_NORMALIZATION_STEPS_10 57 != refmpn_count_leading_zeros (MP_BASES_BIG_BASE_10)) 58 { 59 printf ("MP_BASES_NORMALIZATION_STEPS_10 wrong\n"); 60 abort (); 61 } 62 63 for (base = 2; base < numberof (mp_bases); base++) 64 { 65 want_chars_per_limb = refmpn_chars_per_limb (base); 66 if (mp_bases[base].chars_per_limb != want_chars_per_limb) 67 { 68 printf ("mp_bases[%d].chars_per_limb wrong\n", base); 69 printf (" got %d\n", mp_bases[base].chars_per_limb); 70 printf (" want %d\n", want_chars_per_limb); 71 abort (); 72 } 73 74 if (POW2_P (base)) 75 { 76 want_bb = refmpn_count_trailing_zeros ((mp_limb_t) base); 77 if (mp_bases[base].big_base != want_bb) 78 { 79 printf ("mp_bases[%d].big_base (log2 of base) wrong\n", base); 80 abort (); 81 } 82 } 83 else 84 { 85 want_bb = refmpn_big_base (base); 86 if (mp_bases[base].big_base != want_bb) 87 { 88 printf ("mp_bases[%d].big_base wrong\n", base); 89 abort (); 90 } 91 92 #if USE_PREINV_DIVREM_1 93 want_bb_inv = refmpn_invert_limb 94 (want_bb << refmpn_count_leading_zeros (want_bb)); 95 if (mp_bases[base].big_base_inverted != want_bb_inv) 96 { 97 printf ("mp_bases[%d].big_base_inverted wrong\n", base); 98 abort (); 99 } 100 #endif 101 } 102 } 103 104 exit (0); 105 } 106