1 /* tradius -- test file for arithmetic of complex ball radii.
2
3 Copyright (C) 2022 INRIA
4
5 This file is part of GNU MPC.
6
7 GNU MPC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU Lesser General Public License as published by the
9 Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
11
12 GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
15 more details.
16
17 You should have received a copy of the GNU Lesser General Public License
18 along with this program. If not, see http://www.gnu.org/licenses/ .
19 */
20
21 #include "mpc-tests.h"
22
23 static int
test_sqrt(void)24 test_sqrt (void)
25 {
26 int64_t n, N, s;
27
28 n = ((int64_t) 1) << 30;
29 /* The following commented line checks all possible inputs n to
30 sqrt_int64 in about 4 minutes on a laptop. */
31 /* for (n = ((int64_t) 1) << 30; n < ((int64_t) 4) << 30; n++) */
32 for (n = ((int64_t) 1) << 30; n < ((int64_t) 65) << 24; n++)
33 {
34 N = n << 30;
35 s = sqrt_int64 (n);
36 if (s * s < N || (s-1) * (s-1) >= N) {
37 printf ("n %" PRIi64 ", N %" PRIi64 ", s %" PRIi64 "\n", n, N, s);
38 return 1;
39 }
40 }
41
42 return 0;
43 }
44
45
46 int
main(void)47 main (void)
48 {
49 return test_sqrt ();
50 }
51
52