| Austin Schuh | dace2a6 | 2020-08-18 10:56:48 -0700 | [diff] [blame] | 1 | /* |
| 2 | |
| 3 | Copyright 2012, 2013 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of the GNU MP Library test suite. |
| 6 | |
| 7 | The GNU MP Library test suite is free software; you can redistribute it |
| 8 | and/or modify it under the terms of the GNU General Public License as |
| 9 | published by the Free Software Foundation; either version 3 of the License, |
| 10 | or (at your option) any later version. |
| 11 | |
| 12 | The GNU MP Library test suite is distributed in the hope that it will be |
| 13 | useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
| 15 | Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License along with |
| 18 | the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */ |
| 19 | |
| 20 | #include <limits.h> |
| 21 | #include <stdlib.h> |
| 22 | #include <stdio.h> |
| 23 | |
| 24 | #include "testutils.h" |
| 25 | |
| 26 | #define MAXBITS 400 |
| 27 | #define COUNT 10000 |
| 28 | |
| 29 | void |
| 30 | testlogops (int count) |
| 31 | { |
| 32 | int i; |
| 33 | mpz_t a, b, res, ref; |
| 34 | mp_bitcnt_t c; |
| 35 | |
| 36 | mpz_init (a); |
| 37 | mpz_init (b); |
| 38 | mpz_init (res); |
| 39 | mpz_init (ref); |
| 40 | |
| 41 | for (i = 0; i < count; i++) |
| 42 | { |
| 43 | mini_random_op3 (OP_AND, MAXBITS, a, b, ref); |
| 44 | mpz_and (res, a, b); |
| 45 | if (mpz_cmp (res, ref)) |
| 46 | { |
| 47 | fprintf (stderr, "mpz_and failed:\n"); |
| 48 | dump ("a", a); |
| 49 | dump ("b", b); |
| 50 | dump ("r", res); |
| 51 | dump ("ref", ref); |
| 52 | abort (); |
| 53 | } |
| 54 | |
| 55 | mini_random_op3 (OP_IOR, MAXBITS, a, b, ref); |
| 56 | mpz_ior (res, a, b); |
| 57 | if (mpz_cmp (res, ref)) |
| 58 | { |
| 59 | fprintf (stderr, "mpz_ior failed:\n"); |
| 60 | dump ("a", a); |
| 61 | dump ("b", b); |
| 62 | dump ("r", res); |
| 63 | dump ("ref", ref); |
| 64 | abort (); |
| 65 | } |
| 66 | |
| 67 | mini_random_op3 (OP_XOR, MAXBITS, a, b, ref); |
| 68 | mpz_xor (res, a, b); |
| 69 | if (mpz_cmp (res, ref)) |
| 70 | { |
| 71 | fprintf (stderr, "mpz_xor failed:\n"); |
| 72 | dump ("a", a); |
| 73 | dump ("b", b); |
| 74 | dump ("r", res); |
| 75 | dump ("ref", ref); |
| 76 | abort (); |
| 77 | } |
| 78 | |
| 79 | if (i % 8) { |
| 80 | c = 0; |
| 81 | mpz_mul_2exp (res, res, i % 8); |
| 82 | } else if (mpz_sgn (res) >= 0) { |
| 83 | c = mpz_odd_p (res) != 0; |
| 84 | mpz_tdiv_q_2exp (res, res, 1); |
| 85 | } else { |
| 86 | c = (~ (mp_bitcnt_t) 0) - 3; |
| 87 | mpz_set_ui (res, 11 << ((i >> 3)%4)); /* set 3 bits */ |
| 88 | } |
| 89 | |
| 90 | if (mpz_popcount (res) + c != mpz_hamdist (a, b)) |
| 91 | { |
| 92 | fprintf (stderr, "mpz_popcount(r) + %lu and mpz_hamdist(a,b) differ:\n", c); |
| 93 | dump ("a", a); |
| 94 | dump ("b", b); |
| 95 | dump ("r", res); |
| 96 | fprintf (stderr, "mpz_popcount(r) = %lu:\n", mpz_popcount (res)); |
| 97 | fprintf (stderr, "mpz_hamdist(a,b) = %lu:\n", mpz_hamdist (a, b)); |
| 98 | abort (); |
| 99 | } |
| 100 | } |
| 101 | mpz_clear (a); |
| 102 | mpz_clear (b); |
| 103 | mpz_clear (res); |
| 104 | mpz_clear (ref); |
| 105 | } |
| 106 | |
| 107 | void |
| 108 | testmain (int argc, char **argv) |
| 109 | { |
| 110 | testhalves (COUNT*2/3, testlogops); |
| 111 | testlogops (COUNT/3); |
| 112 | } |