| Austin Schuh | bb1338c | 2024-06-15 19:31:16 -0700 | [diff] [blame] | 1 | /* Test gmp_randclass. |
| 2 | |
| 3 | Copyright 2002, 2003 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 "gmpxx.h" |
| 21 | #include "gmp-impl.h" |
| 22 | #include "tests.h" |
| 23 | |
| 24 | using namespace std; |
| 25 | |
| 26 | |
| 27 | /* all flavours of initialization */ |
| 28 | void |
| 29 | check_randinit (void) |
| 30 | { |
| 31 | { |
| 32 | gmp_randclass r(gmp_randinit_default); |
| 33 | } |
| 34 | |
| 35 | { |
| 36 | mpz_class a(0); |
| 37 | unsigned long c = 0, m2exp = 8; |
| 38 | gmp_randclass r(gmp_randinit_lc_2exp, a, c, m2exp); |
| 39 | } |
| 40 | |
| 41 | { |
| 42 | unsigned long m2exp = 64; |
| 43 | gmp_randclass r(gmp_randinit_lc_2exp_size, m2exp); |
| 44 | } |
| 45 | |
| 46 | /* gmp_randinit_lc_2exp_size, with excessive size */ |
| 47 | { |
| 48 | try { |
| 49 | unsigned long m2exp = ULONG_MAX; |
| 50 | gmp_randclass r(gmp_randinit_lc_2exp_size, m2exp); |
| 51 | ASSERT_ALWAYS (0); /* should not be reached */ |
| 52 | } catch (length_error) { |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | { |
| 57 | gmp_randclass r(gmp_randinit_mt); |
| 58 | } |
| 59 | |
| 60 | /* obsolete, but still available */ |
| 61 | { |
| 62 | gmp_randalg_t alg = GMP_RAND_ALG_LC; |
| 63 | unsigned long m2exp = 64; |
| 64 | gmp_randclass r(alg, m2exp); |
| 65 | } |
| 66 | { |
| 67 | gmp_randalg_t alg = GMP_RAND_ALG_DEFAULT; |
| 68 | unsigned long m2exp = 64; |
| 69 | gmp_randclass r(alg, m2exp); |
| 70 | } |
| 71 | { |
| 72 | gmp_randalg_t alg = (gmp_randalg_t) 0; |
| 73 | unsigned long m2exp = 64; |
| 74 | gmp_randclass r(alg, m2exp); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | void |
| 79 | check_mpz (void) |
| 80 | { |
| 81 | { |
| 82 | gmp_randclass r(gmp_randinit_default); |
| 83 | mpz_class a(123); |
| 84 | unsigned int b = 256; |
| 85 | mpz_class c; |
| 86 | r.seed(a); |
| 87 | c = r.get_z_bits(b); |
| 88 | } |
| 89 | { |
| 90 | gmp_randclass r(gmp_randinit_default); |
| 91 | mpz_class a(256); |
| 92 | unsigned long b = 123; |
| 93 | mpz_class c; |
| 94 | r.seed(b); |
| 95 | c = r.get_z_bits(a); |
| 96 | } |
| 97 | { |
| 98 | gmp_randclass r(gmp_randinit_default); |
| 99 | mpz_class a(123), b(256); |
| 100 | mpz_class c; |
| 101 | r.seed(a); |
| 102 | c = r.get_z_range(b); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | void |
| 107 | check_mpf (void) |
| 108 | { |
| 109 | { |
| 110 | gmp_randclass r(gmp_randinit_default); |
| 111 | mpz_class a(123); |
| 112 | r.seed(a); |
| 113 | mpf_class b; |
| 114 | b = r.get_f(); |
| 115 | mpf_class c(r.get_f()); |
| 116 | ASSERT_ALWAYS (c.get_prec() == mpf_get_default_prec()); |
| 117 | mpf_class d(r.get_f(),212); |
| 118 | ASSERT_ALWAYS (d.get_prec() >= 212); |
| 119 | } |
| 120 | { |
| 121 | gmp_randclass r(gmp_randinit_default); |
| 122 | int a = 123, b = 198; |
| 123 | r.seed(a); |
| 124 | mpf_class c; |
| 125 | c = r.get_f(b); |
| 126 | ASSERT_ALWAYS (c.get_prec() == mpf_get_default_prec()); |
| 127 | mpf_class d(r.get_f(b)); |
| 128 | ASSERT_ALWAYS (d.get_prec() >= 198); |
| 129 | mpf_class e(r.get_f(b)-r.get_f()); |
| 130 | ASSERT_ALWAYS (e.get_prec() >= 198); |
| 131 | mpf_class f(r.get_f(60),300); |
| 132 | ASSERT_ALWAYS (f.get_prec() >= 300); |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | |
| 137 | int |
| 138 | main (void) |
| 139 | { |
| 140 | tests_start(); |
| 141 | |
| 142 | check_randinit(); |
| 143 | check_mpz(); |
| 144 | check_mpf(); |
| 145 | |
| 146 | tests_end(); |
| 147 | return 0; |
| 148 | } |