xref: /netbsd-src/external/lgpl3/gmp/dist/tests/mpf/t-int_p.c (revision 6a493d6bc668897c91594964a732d38505b70cbb)
1 /* Test mpf_integer_p.
2 
3 Copyright 2001 Free Software Foundation, Inc.
4 
5 This file is part of the GNU MP Library test suite.
6 
7 The GNU MP Library test suite is free software; you can redistribute it
8 and/or modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 3 of the License,
10 or (at your option) any later version.
11 
12 The GNU MP Library test suite is distributed in the hope that it will be
13 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
15 Public License for more details.
16 
17 You should have received a copy of the GNU General Public License along with
18 the GNU MP Library test suite.  If not, see http://www.gnu.org/licenses/.  */
19 
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include "gmp.h"
23 #include "gmp-impl.h"
24 #include "tests.h"
25 
26 
27 void
28 one (mpf_srcptr f, int want)
29 {
30   int  got;
31   got = mpf_integer_p (f);
32   if (got != want)
33     {
34       printf ("mpf_integer_p got %d want %d\n", got, want);
35       mpf_trace (" f", f);
36       abort ();
37     }
38 }
39 
40 void
41 all (mpf_ptr f, int want)
42 {
43   one (f, want);
44   mpf_neg (f, f);
45   one (f, want);
46 }
47 
48 int
49 main (void)
50 {
51   mpf_t  f;
52 
53   tests_start ();
54   mpf_init2 (f, 200L);
55 
56   mpf_set_ui (f, 0L);
57   one (f, 1);
58 
59   mpf_set_ui (f, 1L);
60   all (f, 1);
61 
62   mpf_set_ui (f, 1L);
63   mpf_div_2exp (f, f, 1L);
64   all (f, 0);
65 
66   mpf_set_ui (f, 1L);
67   mpf_div_2exp (f, f, 5000L);
68   all (f, 0);
69 
70   mpf_set_ui (f, 1L);
71   mpf_mul_2exp (f, f, 5000L);
72   all (f, 1);
73 
74   mpf_set_str (f, "0.5", 10);
75   all (f, 0);
76 
77   mpf_set_ui (f, 1L);
78   mpf_div_ui (f, f, 3L);
79   all (f, 0);
80 
81   mpf_clear (f);
82   tests_end ();
83   exit (0);
84 }
85