1/* tadd_fr -- test file for mpc_add_fr.
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 (mpfr_prec_t prec_max, mpfr_prec_t step)
26{
27  mpfr_prec_t prec;
28  mpc_t z;
29  mpfr_t f;
30
31  mpc_init2 (z, 2);
32  mpfr_init (f);
33
34  for (prec = 2; prec < prec_max; prec += step)
35    {
36      mpc_set_prec (z, prec);
37      mpfr_set_prec (f, prec);
38
39      mpc_set_ui (z, 1, MPC_RNDNN);
40      mpfr_set_ui (f, 1, GMP_RNDN);
41      if (mpc_add_fr (z, z, f, MPC_RNDNZ))
42        {
43          printf ("Error in mpc_add_fr: 1+1 should be exact\n");
44          exit (1);
45        }
46
47      mpc_set_ui (z, 1, MPC_RNDNN);
48      mpc_mul_2ui (z, z, (unsigned long int) prec, MPC_RNDNN);
49      if (mpc_add_fr (z, z, f, MPC_RNDNN) == 0)
50        {
51          fprintf (stderr, "Error in mpc_add_fr: 2^prec+1 cannot be exact\n");
52          exit (1);
53        }
54    }
55  mpc_clear (z);
56  mpfr_clear (f);
57}
58
59int
60main (void)
61{
62  DECL_FUNC (CCF, f, mpc_add_fr);
63  test_start ();
64
65  check_ternary_value (1024, 1);
66
67  data_check (f, "add_fr.dat");
68  tgeneric (f, 2, 1024, 7, 10);
69
70  test_end ();
71  return 0;
72}
73