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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
/*
Copyright (C) 2020 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 "qqbar.h"
TEST_FUNCTION_START(qqbar_root_ui, state)
{
slong iter;
for (iter = 0; iter < 1000 * 0.1 * flint_test_multiplier(); iter++)
{
qqbar_t x, y, z;
ulong n;
qqbar_init(x);
qqbar_init(y);
qqbar_init(z);
qqbar_randtest(x, state, 4, 10);
/* generate noise */
qqbar_randtest(y, state, 2, 10);
qqbar_add(x, x, y);
qqbar_sub(x, x, y);
n = 1 + n_randint(state, 4);
qqbar_root_ui(y, x, n);
if (n_randint(state, 2))
{
qqbar_pow_ui(z, y, n);
}
else
{
if (n == 1)
{
qqbar_set(z, y);
}
else if (n == 2)
{
qqbar_binary_op(z, y, y, 2);
}
else if (n == 3)
{
qqbar_binary_op(z, y, y, 2);
qqbar_binary_op(z, z, y, 2);
}
else
{
qqbar_binary_op(z, y, y, 2);
qqbar_binary_op(z, z, z, 2);
}
}
if (!qqbar_equal(x, z) || (n > 1 && qqbar_csgn(y) == -1))
{
flint_printf("FAIL!\n");
flint_printf("n = %wu\n\n", n);
flint_printf("x = "); qqbar_print(x); flint_printf("\n\n");
flint_printf("y = "); qqbar_print(y); flint_printf("\n\n");
flint_printf("z = "); qqbar_print(z); flint_printf("\n\n");
flint_abort();
}
qqbar_clear(x);
qqbar_clear(y);
qqbar_clear(z);
}
TEST_FUNCTION_END(state);
}