1/* tpow_z -- test file for mpc_pow_z.
2
3Copyright (C) 2009, 2011 INRIA
4
5This file is part of GNU MPC.
6
7GNU MPC is free software; you can redistribute it and/or modify it under
8the terms of the GNU Lesser General Public License as published by the
9Free Software Foundation; either version 3 of the License, or (at your
10option) any later version.
11
12GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
15more details.
16
17You should have received a copy of the GNU Lesser General Public License
18along with this program. If not, see http://www.gnu.org/licenses/ .
19*/
20
21#include <limits.h> /* for CHAR_BIT */
22#include "mpc-tests.h"
23
24int
25main (void)
26{
27   mpc_t z;
28   mpz_t t;
29
30   test_start ();
31
32   mpc_init2 (z, 5);
33   mpz_init_set_ui (t, 1ul);
34   mpc_set_ui_ui (z, 17ul, 42ul, MPC_RNDNN);
35   mpc_pow_z (z, z, t, MPC_RNDNN);
36   if (mpc_cmp_si_si (z, 17l, 42l) != 0) {
37         printf ("Error for mpc_pow_z (1)\n");
38         exit (1);
39   }
40   mpz_set_si (t, -1l);
41   mpc_set_ui_ui (z, 1ul, 1ul, MPC_RNDNN);
42   mpc_pow_z (z, z, t, MPC_RNDNN);
43   mpc_mul_ui (z, z, 2ul, MPC_RNDNN);
44   if (mpc_cmp_si_si (z, 1l, -1l) != 0) {
45         printf ("Error for mpc_pow_z (-1)\n");
46         exit (1);
47   }
48   mpz_set_ui (t, 1ul);
49   mpz_mul_2exp (t, t, sizeof (long) * CHAR_BIT);
50   mpc_set_ui_ui (z, 0ul, 1ul, MPC_RNDNN);
51   mpc_pow_z (z, z, t, MPC_RNDNN);
52   if (mpc_cmp_si_si (z, 1l, 0l) != 0) {
53         printf ("Error for mpc_pow_z (4*large)\n");
54         exit (1);
55   }
56   mpc_clear (z);
57   mpz_clear (t);
58
59   test_end ();
60
61   return 0;
62}
63