1 /*
2 Copyright (C) 2009 William Hart
3
4 This file is part of FLINT.
5
6 FLINT is free software: you can redistribute it and/or modify it under
7 the terms of the GNU Lesser General Public License (LGPL) as published
8 by the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version. See <http://www.gnu.org/licenses/>.
10 */
11
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <gmp.h>
15 #include "flint.h"
16 #include "ulong_extras.h"
17
main(void)18 int main(void)
19 {
20 int i, result;
21 FLINT_TEST_INIT(state);
22
23 flint_printf("remove....");
24 fflush(stdout);
25
26
27
28 for (i = 0; i < 10000 * flint_test_multiplier(); i++) /* Test random numbers */
29 {
30 mp_limb_t n1, n2, orig_n;
31 mpz_t d_n2, d_n1, d_p;
32 int exp1, exp2;
33 ulong j;
34
35 mpz_init(d_n1);
36 mpz_init(d_n2);
37 mpz_init(d_p);
38
39 n1 = n_randtest_not_zero(state);
40 orig_n = n1;
41
42 for (j = 0; j < FLINT_NUM_PRIMES_SMALL/10; j++)
43 {
44 flint_mpz_set_ui(d_n1, n1);
45 flint_mpz_set_ui(d_p, flint_primes_small[j]);
46 exp1 = n_remove(&n1, flint_primes_small[j]);
47 exp2 = mpz_remove(d_n2, d_n1, d_p);
48 n2 = flint_mpz_get_ui(d_n2);
49
50 result = ((exp1 == exp2) && (n1 == n2));
51 if (!result)
52 {
53 flint_printf("FAIL:\n");
54 flint_printf("n = %wu, exp1 = %d, exp2 = %d, n1 = %wu, n2 = %wu, p = %d\n", orig_n, exp1, exp2, n1, n2, flint_primes_small[j]);
55 abort();
56 }
57 }
58
59 mpz_clear(d_n1);
60 mpz_clear(d_n2);
61 mpz_clear(d_p);
62 }
63
64 for (i = 0; i < 10000 * flint_test_multiplier(); i++) /* Test perfect powers */
65 {
66 mp_limb_t n1, n2, orig_n, base;
67 mpz_t d_n2, d_n1, d_p;
68 int exp1, exp2, exp;
69 ulong j;
70
71 mpz_init(d_n1);
72 mpz_init(d_n2);
73 mpz_init(d_p);
74
75 base = n_randtest_not_zero(state);
76 n1 = base;
77 exp = n_randint(state, FLINT_BITS/FLINT_BIT_COUNT(n1)) + 1;
78 n1 = n_pow(base, exp);
79
80 orig_n = n1;
81
82 for (j = 0; j < FLINT_NUM_PRIMES_SMALL/10; j++)
83 {
84 flint_mpz_set_ui(d_n1, n1);
85 flint_mpz_set_ui(d_p, flint_primes_small[j]);
86 exp1 = n_remove(&n1, flint_primes_small[j]);
87 exp2 = mpz_remove(d_n2, d_n1, d_p);
88 n2 = flint_mpz_get_ui(d_n2);
89
90 result = ((exp1 == exp2) && (n1 == n2));
91 if (!result)
92 {
93 flint_printf("FAIL\n");
94 flint_printf("n = %wu, exp1 = %d, exp2 = %d, n1 = %wu, n2 = %wu, p = %d\n", orig_n, exp1, exp2, n1, n2, flint_primes_small[j]);
95 abort();
96 }
97 }
98
99 mpz_clear(d_n1);
100 mpz_clear(d_n2);
101 mpz_clear(d_p);
102 }
103
104 FLINT_TEST_CLEANUP(state);
105
106 flint_printf("PASS\n");
107 return 0;
108 }
109