1/* tadd_ui -- test file for mpc_add_ui.
2
3Copyright (C) 2008, 2010, 2012 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 <stdlib.h>
22#include "mpc-tests.h"
23
24static void
25check_ternary_value (void)
26{
27  mpfr_prec_t prec;
28  mpc_t z;
29
30  mpc_init2 (z, 2);
31
32  for (prec=2; prec <= 1024; prec++)
33    {
34      mpc_set_prec (z, prec);
35
36      mpc_set_ui (z, 1, MPC_RNDNN);
37      if (mpc_add_ui (z, z, 1, MPC_RNDNZ))
38        {
39          printf ("Error in mpc_add_ui: 1+1 should be exact\n");
40          exit (1);
41        }
42
43      mpc_set_ui (z, 1, MPC_RNDNN);
44      mpc_mul_2ui (z, z, (unsigned long int) prec, MPC_RNDNN);
45      if (mpc_add_ui (z, z, 1, MPC_RNDNN) == 0)
46        {
47          printf ("Error in mpc_add_ui: 2^prec+1 cannot be exact\n");
48          exit (1);
49        }
50    }
51
52  mpc_clear (z);
53}
54
55int
56main (void)
57{
58  DECL_FUNC (CCU, f, mpc_add_ui);
59
60  test_start ();
61
62  check_ternary_value ();
63  tgeneric (f, 2, 1024, 7, -1);
64
65  test_end ();
66
67  return 0;
68}
69