1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
/*
Copyright (C) 2011 Fredrik Johansson
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "test_helpers.h"
#include "fmpz_mat.h"
TEST_FUNCTION_START(fmpz_mat_add_sub, state)
{
slong m, n, rep;
for (rep = 0; rep < 1000 * flint_test_multiplier(); rep++)
{
fmpz_mat_t A;
fmpz_mat_t B;
fmpz_mat_t C;
m = n_randint(state, 20);
n = n_randint(state, 20);
fmpz_mat_init(A, m, n);
fmpz_mat_init(B, m, n);
fmpz_mat_init(C, m, n);
fmpz_mat_randtest(A, state, 100);
fmpz_mat_randtest(B, state, 100);
fmpz_mat_neg(C, A);
fmpz_mat_add(A, A, B);
fmpz_mat_sub(A, A, B);
fmpz_mat_neg(A, A);
if (!fmpz_mat_equal(A, C))
{
flint_printf("FAIL: matrices not equal!\n");
fflush(stdout);
flint_abort();
}
fmpz_mat_clear(A);
fmpz_mat_clear(B);
fmpz_mat_clear(C);
}
TEST_FUNCTION_END(state);
}