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
54
55
56
57
58
59
60
61
62
63
64
/*
Copyright (C) 2009 William Hart
Copyright (C) 2010 Sebastian Pancratz
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 "fmpq.h"
#include "fmpq_poly.h"
TEST_FUNCTION_START(fmpq_poly_content, state)
{
int i, result;
/* Check that content(a f) = abs(a) content(f) */
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpq_poly_t f, g;
fmpq_t a, b, c;
fmpq_poly_init(f);
fmpq_poly_init(g);
fmpq_init(a);
fmpq_init(b);
fmpq_init(c);
fmpq_poly_randtest_not_zero(f, state, n_randint(state, 100) + 1, 100);
fmpq_randtest_not_zero(a, state, 100);
fmpq_poly_scalar_mul_fmpq(g, f, a);
fmpq_poly_content(b, g);
fmpq_poly_content(c, f);
fmpq_mul(c, a, c);
fmpq_abs(c, c);
result = (fmpq_equal(b, c));
if (!result)
{
flint_printf("FAIL:\n");
fmpq_poly_print(f), flint_printf("\n\n");
fmpq_poly_print(g), flint_printf("\n\n");
fmpq_print(a), flint_printf("\n\n");
fmpq_print(b), flint_printf("\n\n");
fmpq_print(c), flint_printf("\n\n");
fflush(stdout);
flint_abort();
}
fmpq_poly_clear(f);
fmpq_poly_clear(g);
fmpq_clear(a);
fmpq_clear(b);
fmpq_clear(c);
}
TEST_FUNCTION_END(state);
}