xref: /netbsd-src/external/lgpl3/mpc/dist/tests/tadd.c (revision aef5eb5f59cdfe8314f1b5f78ac04eb144e44010)
1 /* tadd -- test file for mpc_add.
2 
3 Copyright (C) 2008, 2010, 2011, 2012, 2013 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 <stdlib.h>
22 #include "mpc-tests.h"
23 
24 static void
25 check_ternary_value (void)
26 {
27   mpc_t x, y, z;
28   mpfr_prec_t prec;
29 
30   mpc_init2 (x, 2);
31   mpc_init2 (y, 2);
32   mpc_init2 (z, 2);
33 
34   for (prec = 2; prec <= 1000; prec++)
35     {
36       mpc_set_prec (x, prec);
37       mpc_set_prec (y, prec);
38 
39       mpc_set_ui (x, 1, MPC_RNDNN);
40       mpc_mul_2ui (x, x, (unsigned long int) prec, MPC_RNDNN);
41       mpc_set_ui (y, 1, MPC_RNDNN);
42 
43       if (mpc_add (z, x, y, MPC_RNDNN) == 0)
44         {
45           fprintf (stderr, "Error in mpc_add: 2^(-prec)+1 cannot be exact\n");
46           exit (1);
47         }
48     }
49 
50   mpc_clear (x);
51   mpc_clear (y);
52   mpc_clear (z);
53 }
54 
55 #define MPC_FUNCTION_CALL                                               \
56   P[0].mpc_inex = mpc_add (P[1].mpc, P[2].mpc, P[3].mpc, P[4].mpc_rnd)
57 #define MPC_FUNCTION_CALL_SYMMETRIC                                     \
58   P[0].mpc_inex = mpc_add (P[1].mpc, P[3].mpc, P[2].mpc, P[4].mpc_rnd)
59 #define MPC_FUNCTION_CALL_REUSE_OP1                                     \
60   P[0].mpc_inex = mpc_add (P[1].mpc, P[1].mpc, P[3].mpc, P[4].mpc_rnd)
61 #define MPC_FUNCTION_CALL_REUSE_OP2                                     \
62   P[0].mpc_inex = mpc_add (P[1].mpc, P[2].mpc, P[1].mpc, P[4].mpc_rnd)
63 
64 #include "data_check.tpl"
65 #include "tgeneric.tpl"
66 
67 int
68 main (void)
69 {
70   test_start ();
71 
72   check_ternary_value();
73 
74   data_check_template ("add.dsc", "add.dat");
75 
76   tgeneric_template ("add.dsc", 2, 1024, 7, 128);
77 
78   test_end ();
79 
80   return 0;
81 }
82