1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/* tbisect.c -- Test mpfi_bisect.
Copyright 2009, 2010,
Spaces project, Inria Lorraine
and Salsa project, INRIA Rocquencourt,
and Arenaire project, Inria Rhone-Alpes, France
and Lab. ANO, USTL (Univ. of Lille), France
This file is part of the MPFI Library.
The MPFI Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.
The MPFI Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the MPFI Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "mpfi-tests.h"
extern int nextchar;
extern unsigned long line_number;
unsigned long test_line_number; /* start line of a test */
static void
check (mpfi_ptr left, mpfi_ptr right, mpfi_srcptr interval,
mpfi_srcptr expected_left, mpfi_srcptr expected_right,
int expected_inex)
{
int inex;
inex = mpfi_bisect (left, right, interval);
if (inex != expected_inex || !same_value (left, expected_left)
|| !same_value (right, expected_right))
{
printf ("Failed line %lu.\n interval: ", test_line_number);
mpfi_out_str (stdout, 16, 0, interval);
printf ("\n returned left: ");
mpfi_out_str (stdout, 16, 0, left);
printf ("\nreturned right: ");
mpfi_out_str (stdout, 16, 0, right);
printf ("\n expected left: ");
mpfi_out_str (stdout, 16, 0, expected_left);
printf ("\nexpected right: ");
mpfi_out_str (stdout, 16, 0, expected_right);
printf ("\n");
if (inex != expected_inex) {
printf ("inexact flag: got = %u, expected = %u\n",
inex, expected_inex);
}
exit (1);
}
/* reuse variable tests */
if (mpfi_get_prec (interval) == mpfi_get_prec (expected_left))
{
mpfi_set (left, interval);
inex = mpfi_bisect (left, right, left);
if (inex != expected_inex || !same_value (left, expected_left)
|| !same_value (right, expected_right))
{
printf ("Error when reusing input argument as first output "
"(line %lu).\n interval: ", test_line_number);
mpfi_out_str (stdout, 16, 0, interval);
printf ("\n returned left: ");
mpfi_out_str (stdout, 16, 0, left);
printf ("\nreturned right: ");
mpfi_out_str (stdout, 16, 0, right);
printf ("\n expected left: ");
mpfi_out_str (stdout, 16, 0, expected_left);
printf ("\nexpected right: ");
mpfi_out_str (stdout, 16, 0, expected_right);
printf ("\n");
if (inex != expected_inex) {
printf ("inexact flag: got = %u, expected = %u\n",
inex, expected_inex);
}
exit (1);
}
}
if (mpfi_get_prec (interval) == mpfi_get_prec (expected_right))
{
mpfi_set (right, interval);
inex = mpfi_bisect (left, right, right);
if (inex != expected_inex || !same_value (left, expected_left)
|| !same_value (right, expected_right))
{
printf ("Error when reusing input argument as second output "
"(line %lu).\n interval: ", test_line_number);
mpfi_out_str (stdout, 16, 0, interval);
printf ("\n returned left: ");
mpfi_out_str (stdout, 16, 0, left);
printf ("\nreturned right: ");
mpfi_out_str (stdout, 16, 0, right);
printf ("\n expected left: ");
mpfi_out_str (stdout, 16, 0, expected_left);
printf ("\nexpected right: ");
mpfi_out_str (stdout, 16, 0, expected_right);
printf ("\n");
if (inex != expected_inex) {
printf ("inexact flag: got = %u, expected = %u\n",
inex, expected_inex);
}
exit (1);
}
}
}
int
main (int argc, char **argv)
{
FILE *stream;
mpfi_t interval;
mpfi_t left;
mpfi_t right;
mpfi_t expected_left;
mpfi_t expected_right;
int retval;
mpfi_init2 (interval, 1024);
mpfi_init2 (left, 1024);
mpfi_init2 (right, 1024);
mpfi_init2 (expected_left, 1024);
mpfi_init2 (expected_right, 1024);
stream = open_file ("bisect.dat");
init_reading (stream);
while (nextchar != EOF) {
test_line_number = line_number;
read_sign (stream, &retval);
read_mpfi (stream, expected_left);
mpfi_set_prec (left, mpfi_get_prec (expected_left));
read_mpfi (stream, expected_right);
mpfi_set_prec (right, mpfi_get_prec (expected_right));
read_mpfi (stream, interval);
check (left, right, interval, expected_left, expected_right, retval);
}
close_file (stream);
mpfi_clear (interval);
mpfi_clear (left);
mpfi_clear (right);
mpfi_clear (expected_left);
mpfi_clear (expected_right);
return 0;
}
|
