1/* Test file for mpfr_sinh.
2
3Copyright 2001, 2002, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
4Contributed by the Arenaire and Cacao projects, INRIA.
5
6This file is part of the GNU MPFR Library.
7
8The GNU MPFR Library is free software; you can redistribute it and/or modify
9it under the terms of the GNU Lesser General Public License as published by
10the Free Software Foundation; either version 3 of the License, or (at your
11option) any later version.
12
13The GNU MPFR Library is distributed in the hope that it will be useful, but
14WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
16License for more details.
17
18You should have received a copy of the GNU Lesser General Public License
19along with the GNU MPFR Library; see the file COPYING.LESSER.  If not, see
20http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
2151 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
22
23#include <stdio.h>
24#include <stdlib.h>
25
26#include "mpfr-test.h"
27
28#define TEST_FUNCTION mpfr_sinh
29#define TEST_RANDOM_EMIN -36
30#define TEST_RANDOM_EMAX 36
31#include "tgeneric.c"
32
33static void
34special (void)
35{
36  mpfr_t x;
37  int i;
38
39  mpfr_init (x);
40
41  mpfr_set_nan (x);
42  mpfr_sinh (x, x, MPFR_RNDN);
43  MPFR_ASSERTN(mpfr_nan_p (x));
44
45  mpfr_set_inf (x, 1);
46  mpfr_sinh (x, x, MPFR_RNDN);
47  MPFR_ASSERTN(mpfr_inf_p (x) && mpfr_sgn (x) > 0);
48  mpfr_set_inf (x, -1);
49  mpfr_sinh (x, x, MPFR_RNDN);
50  MPFR_ASSERTN(mpfr_inf_p (x) && mpfr_sgn (x) < 0);
51
52  mpfr_set_prec (x, 10);
53  mpfr_set_str_binary (x, "-0.1001011001");
54  mpfr_sinh (x, x, MPFR_RNDN);
55  MPFR_ASSERTN(mpfr_cmp_si_2exp (x, -159, -8) == 0);
56
57  /* corner case */
58  mpfr_set_prec (x, 2);
59  mpfr_set_str_binary (x, "1E-6");
60  mpfr_sinh (x, x, MPFR_RNDN);
61  MPFR_ASSERTN(mpfr_cmp_ui_2exp (x, 1, -6) == 0);
62
63  mpfr_clear_flags ();
64  mpfr_set_str_binary (x, "1E1000000000");
65  i = mpfr_sinh (x, x, MPFR_RNDN);
66  MPFR_ASSERTN (MPFR_IS_INF (x) && MPFR_SIGN (x) > 0);
67  MPFR_ASSERTN (mpfr_overflow_p ());
68  MPFR_ASSERTN (i == 1);
69
70  mpfr_clear_flags ();
71  mpfr_set_str_binary (x, "-1E1000000000");
72  i = mpfr_sinh (x, x, MPFR_RNDN);
73  MPFR_ASSERTN (MPFR_IS_INF (x) && MPFR_SIGN (x) < 0);
74  MPFR_ASSERTN (mpfr_overflow_p () && !mpfr_underflow_p ());
75  MPFR_ASSERTN (i == -1);
76
77  mpfr_clear_flags ();
78  mpfr_set_str_binary (x, "-1E1000000000");
79  i = mpfr_sinh (x, x, MPFR_RNDD);
80  MPFR_ASSERTN (MPFR_IS_INF (x) && MPFR_SIGN (x) < 0);
81  MPFR_ASSERTN (mpfr_overflow_p () && !mpfr_underflow_p ());
82  MPFR_ASSERTN (i == -1);
83
84  mpfr_clear_flags ();
85  mpfr_set_str_binary (x, "-1E1000000000");
86  i = mpfr_sinh (x, x, MPFR_RNDU);
87  MPFR_ASSERTN (!MPFR_IS_INF (x) && MPFR_SIGN (x) < 0);
88  MPFR_ASSERTN (mpfr_overflow_p () && !mpfr_underflow_p ());
89  MPFR_ASSERTN (i == 1);
90
91  mpfr_clear (x);
92}
93
94int
95main (int argc, char *argv[])
96{
97  tests_start_mpfr ();
98
99  special ();
100
101  test_generic (2, 100, 100);
102
103  data_check ("data/sinh", mpfr_sinh, "mpfr_sinh");
104  bad_cases (mpfr_sinh, mpfr_asinh, "mpfr_sinh", 256, -256, 255,
105             4, 128, 800, 100);
106
107  tests_end_mpfr ();
108  return 0;
109}
110