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
/*
Copyright (C) 2014 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 "arf.h"
#include "mag.h"
TEST_FUNCTION_START(mag_rfac_ui, state)
{
slong iter;
for (iter = 0; iter < 2000 * 0.1 * flint_test_multiplier(); iter++)
{
arf_t x, y;
fmpz_t f;
mag_t xb;
ulong n;
arf_init(x);
arf_init(y);
fmpz_init(f);
mag_init(xb);
mag_randtest_special(xb, state, 80);
n = n_randtest(state) % 2000;
mag_rfac_ui(xb, n);
fmpz_fac_ui(f, n);
arf_one(x);
arf_div_fmpz(x, x, f, 2 * MAG_BITS, ARF_RND_UP);
arf_set_mag(y, xb);
MAG_CHECK_BITS(xb)
if (!(arf_cmpabs(y, x) >= 0))
{
flint_printf("FAIL\n\n");
flint_printf("n = %wu\n\n", n);
flint_printf("x = "); arf_print(x); flint_printf("\n\n");
flint_printf("y = "); arf_print(y); flint_printf("\n\n");
flint_abort();
}
arf_clear(x);
arf_clear(y);
fmpz_clear(f);
mag_clear(xb);
}
TEST_FUNCTION_END(state);
}