1 /*
2 Copyright (C) 2010 William Hart
3 Copyright (C) 2011 Fredrik Johansson
4 Copyright (C) 2014 Abhinav Baid
5
6 This file is part of FLINT.
7
8 FLINT is free software: you can redistribute it and/or modify it under
9 the terms of the GNU Lesser General Public License (LGPL) as published
10 by the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version. See <https://www.gnu.org/licenses/>.
12 */
13
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include <gmp.h>
17 #include "flint.h"
18 #include "fmpz.h"
19 #include "fmpz_mat.h"
20 #include "ulong_extras.h"
21
22 int
main(void)23 main(void)
24 {
25 int i;
26 FLINT_TEST_INIT(state);
27
28
29 flint_printf("get_mpf_mat....");
30 fflush(stdout);
31
32 /* set entries of an fmpz_mat, convert to mpf_mat and then check that
33 the entries remain same */
34 for (i = 0; i < 1000 * flint_test_multiplier(); i++)
35 {
36 fmpz_mat_t A;
37 mpf_mat_t B;
38 slong j, k;
39 slong rows = n_randint(state, 10);
40 slong cols = n_randint(state, 10);
41
42 fmpz_mat_init(A, rows, cols);
43 mpf_mat_init(B, rows, cols, mpf_get_default_prec());
44
45 for (j = 0; j < rows; j++)
46 {
47 for (k = 0; k < cols; k++)
48 {
49 fmpz_set_ui(fmpz_mat_entry(A, j, k), 3 * j + 7 * k);
50 }
51 }
52
53 fmpz_mat_get_mpf_mat(B, A);
54
55 for (j = 0; j < rows; j++)
56 {
57 for (k = 0; k < cols; k++)
58 {
59 if (flint_mpf_cmp_ui(mpf_mat_entry(B, j, k), 3 * j + 7 * k) != 0)
60 {
61 flint_printf("FAIL: j = %wd, k = %wd\n", j, k);
62 fmpz_mat_print_pretty(A);
63 mpf_mat_print(B);
64 abort();
65 }
66 }
67 }
68
69 fmpz_mat_clear(A);
70 mpf_mat_clear(B);
71 }
72
73
74
75 FLINT_TEST_CLEANUP(state);
76 flint_printf("PASS\n");
77 return 0;
78 }
79