1/*
2 * Copyright (c) 2013, Andreas Sandberg
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following
13 * disclaimer in the documentation and/or other materials provided
14 * with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
27 * OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <fputils/fp80.h>
31
32#include "test_helper.h"
33
34#include <math.h>
35#include <stdio.h>
36#include <stdlib.h>
37
| 1/*
2 * Copyright (c) 2013, Andreas Sandberg
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following
13 * disclaimer in the documentation and/or other materials provided
14 * with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
27 * OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <fputils/fp80.h>
31
32#include "test_helper.h"
33
34#include <math.h>
35#include <stdio.h>
36#include <stdlib.h>
37
|
| 38/* We provide our own version of isinf_sgn since the C99 standard
39 * doesn't guarantee that isinf() returns the sign of the infinity
40 * (most implementations do). */
41static inline int
42isinf_sgn(double x)
43{
44 return isinf(x) ? (signbit(x) ? -1 : 1) : 0;
45}
46
|
38static void
39test_fp80_cvtd_class(const char *name, fp80_t fin, int class)
40{
41 double d = fp80_cvtd(fin);
42 if (fpclassify(d) != class) {
43 test_diag("wrong class");
44 test_fail(name);
45 } else {
46 test_ok(name);
47 }
48}
49
50static void
| 47static void
48test_fp80_cvtd_class(const char *name, fp80_t fin, int class)
49{
50 double d = fp80_cvtd(fin);
51 if (fpclassify(d) != class) {
52 test_diag("wrong class");
53 test_fail(name);
54 } else {
55 test_ok(name);
56 }
57}
58
59static void
|
51test_fp80_cvtd_inf(const char *name, fp80_t fin, int inf_class)
| 60test_fp80_cvtd_inf(const char *name, fp80_t fin, int expected_inf_class)
|
52{
53 double d = fp80_cvtd(fin);
| 61{
62 double d = fp80_cvtd(fin);
|
54 if (isinf(d) != inf_class) {
| 63 if (isinf_sgn(d) != expected_inf_class) {
|
55 test_diag("wrong infinity type");
56 test_fail(name);
57 } else {
58 test_ok(name);
59 }
60}
61
62int
63main(int argc, char *argv[])
64{
65 test_init(6);
66
67 test_fp80_cvtd_inf("fp80->double +inf", fp80_pinf, 1);
68 test_fp80_cvtd_inf("fp80->double -inf", fp80_ninf, -1);
69 test_fp80_cvtd_class("fp80->double qnan", fp80_qnan, FP_NAN);
70 test_fp80_cvtd_class("fp80->double qnani", fp80_qnani, FP_NAN);
71 test_fp80_cvtd_class("fp80->double snan", fp80_snan, FP_NAN);
72 test_fp80_cvtd_class("fp80->double nan", fp80_nan, FP_NAN);
73
74 test_exit();
75}
| 64 test_diag("wrong infinity type");
65 test_fail(name);
66 } else {
67 test_ok(name);
68 }
69}
70
71int
72main(int argc, char *argv[])
73{
74 test_init(6);
75
76 test_fp80_cvtd_inf("fp80->double +inf", fp80_pinf, 1);
77 test_fp80_cvtd_inf("fp80->double -inf", fp80_ninf, -1);
78 test_fp80_cvtd_class("fp80->double qnan", fp80_qnan, FP_NAN);
79 test_fp80_cvtd_class("fp80->double qnani", fp80_qnani, FP_NAN);
80 test_fp80_cvtd_class("fp80->double snan", fp80_snan, FP_NAN);
81 test_fp80_cvtd_class("fp80->double nan", fp80_nan, FP_NAN);
82
83 test_exit();
84}
|