1/* $NetBSD: t_sinh.c,v 1.6 2014/03/03 10:39:08 martin Exp $ */
2
3/*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jukka Ruohonen.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31#include <sys/cdefs.h>
32__RCSID("$NetBSD: t_sinh.c,v 1.6 2014/03/03 10:39:08 martin Exp $");
33
34#include <atf-c.h>
35#include <math.h>
36#include <stdio.h>
37
38static const struct {
39	double x;
40	double y;
41	double e;
42} values[] = {
43	{ -10,   -11013.23287470339, 1e4, },
44	{ -2,    -3.626860407847019, 1,   },
45	{ -1,    -1.175201193643801, 1,   },
46	{ -0.05, -0.050020835937655, 1,   },
47	{ -0.001,-0.001000000166667, 1,   },
48	{  0.001, 0.001000000166667, 1,   },
49	{  0.05,  0.050020835937655, 1,   },
50	{  1,     1.175201193643801, 1,   },
51	{  2,     3.626860407847019, 1,   },
52	{  10,    11013.23287470339, 1e4, },
53};
54
55/*
56 * sinh(3)
57 */
58ATF_TC(sinh_inrange);
59ATF_TC_HEAD(sinh_inrange, tc)
60{
61	atf_tc_set_md_var(tc, "descr", "sinh(x) for some values");
62}
63
64ATF_TC_BODY(sinh_inrange, tc)
65{
66	double eps;
67	double x;
68	double y;
69	size_t i;
70
71	for (i = 0; i < __arraycount(values); i++) {
72		x = values[i].x;
73		y = values[i].y;
74		eps = 1e-15 * values[i].e;
75
76		if (fabs(sinh(x) - y) > eps)
77			atf_tc_fail_nonfatal("sinh(%g) != %g\n", x, y);
78	}
79}
80
81ATF_TC(sinh_nan);
82ATF_TC_HEAD(sinh_nan, tc)
83{
84	atf_tc_set_md_var(tc, "descr", "Test sinh(NaN) == NaN");
85}
86
87ATF_TC_BODY(sinh_nan, tc)
88{
89	const double x = 0.0L / 0.0L;
90
91	ATF_CHECK(isnan(x) != 0);
92	ATF_CHECK(isnan(sinh(x)) != 0);
93}
94
95ATF_TC(sinh_inf_neg);
96ATF_TC_HEAD(sinh_inf_neg, tc)
97{
98	atf_tc_set_md_var(tc, "descr", "Test sinh(-Inf) == -Inf");
99}
100
101ATF_TC_BODY(sinh_inf_neg, tc)
102{
103	const double x = -1.0L / 0.0L;
104	double y = sinh(x);
105
106	ATF_CHECK(isinf(y) != 0);
107	ATF_CHECK(signbit(y) != 0);
108}
109
110ATF_TC(sinh_inf_pos);
111ATF_TC_HEAD(sinh_inf_pos, tc)
112{
113	atf_tc_set_md_var(tc, "descr", "Test sinh(+Inf) == +Inf");
114}
115
116ATF_TC_BODY(sinh_inf_pos, tc)
117{
118	const double x = 1.0L / 0.0L;
119	double y = sinh(x);
120
121	ATF_CHECK(isinf(y) != 0);
122	ATF_CHECK(signbit(y) == 0);
123}
124
125ATF_TC(sinh_zero_neg);
126ATF_TC_HEAD(sinh_zero_neg, tc)
127{
128	atf_tc_set_md_var(tc, "descr", "Test sinh(-0.0) == -0.0");
129}
130
131ATF_TC_BODY(sinh_zero_neg, tc)
132{
133	const double x = -0.0L;
134	double y = sinh(x);
135
136	if (fabs(y) > 0.0 || signbit(y) == 0)
137		atf_tc_fail_nonfatal("sinh(-0.0) != -0.0");
138}
139
140ATF_TC(sinh_zero_pos);
141ATF_TC_HEAD(sinh_zero_pos, tc)
142{
143	atf_tc_set_md_var(tc, "descr", "Test sinh(+0.0) == +0.0");
144}
145
146ATF_TC_BODY(sinh_zero_pos, tc)
147{
148	const double x = 0.0L;
149	double y = sinh(x);
150
151	if (fabs(y) > 0.0 || signbit(y) != 0)
152		atf_tc_fail_nonfatal("sinh(+0.0) != +0.0");
153}
154
155/*
156 * sinhf(3)
157 */
158ATF_TC(sinhf_inrange);
159ATF_TC_HEAD(sinhf_inrange, tc)
160{
161	atf_tc_set_md_var(tc, "descr", "sinhf(x) for some values");
162}
163
164ATF_TC_BODY(sinhf_inrange, tc)
165{
166	float eps;
167	float x;
168	float y;
169	size_t i;
170
171	for (i = 0; i < __arraycount(values); i++) {
172		x = values[i].x;
173		y = values[i].y;
174		eps = 1e-6 * values[i].e;
175
176		if (fabsf(sinhf(x) - y) > eps)
177			atf_tc_fail_nonfatal("sinhf(%g) != %g\n", x, y);
178	}
179}
180
181ATF_TC(sinhf_nan);
182ATF_TC_HEAD(sinhf_nan, tc)
183{
184	atf_tc_set_md_var(tc, "descr", "Test sinhf(NaN) == NaN");
185}
186
187ATF_TC_BODY(sinhf_nan, tc)
188{
189	const float x = 0.0L / 0.0L;
190
191	ATF_CHECK(isnan(x) != 0);
192	ATF_CHECK(isnan(sinhf(x)) != 0);
193}
194
195ATF_TC(sinhf_inf_neg);
196ATF_TC_HEAD(sinhf_inf_neg, tc)
197{
198	atf_tc_set_md_var(tc, "descr", "Test sinhf(-Inf) == -Inf");
199}
200
201ATF_TC_BODY(sinhf_inf_neg, tc)
202{
203	const float x = -1.0L / 0.0L;
204	float y = sinhf(x);
205
206	ATF_CHECK(isinf(y) != 0);
207	ATF_CHECK(signbit(y) != 0);
208}
209
210ATF_TC(sinhf_inf_pos);
211ATF_TC_HEAD(sinhf_inf_pos, tc)
212{
213	atf_tc_set_md_var(tc, "descr", "Test sinhf(+Inf) == +Inf");
214}
215
216ATF_TC_BODY(sinhf_inf_pos, tc)
217{
218	const float x = 1.0L / 0.0L;
219	float y = sinhf(x);
220
221	ATF_CHECK(isinf(y) != 0);
222	ATF_CHECK(signbit(y) == 0);
223}
224
225ATF_TC(sinhf_zero_neg);
226ATF_TC_HEAD(sinhf_zero_neg, tc)
227{
228	atf_tc_set_md_var(tc, "descr", "Test sinhf(-0.0) == -0.0");
229}
230
231ATF_TC_BODY(sinhf_zero_neg, tc)
232{
233	const float x = -0.0L;
234	float y = sinhf(x);
235
236	if (fabsf(y) > 0.0 || signbit(y) == 0)
237		atf_tc_fail_nonfatal("sinhf(-0.0) != -0.0");
238}
239
240ATF_TC(sinhf_zero_pos);
241ATF_TC_HEAD(sinhf_zero_pos, tc)
242{
243	atf_tc_set_md_var(tc, "descr", "Test sinhf(+0.0) == +0.0");
244}
245
246ATF_TC_BODY(sinhf_zero_pos, tc)
247{
248	const float x = 0.0L;
249	float y = sinhf(x);
250
251	if (fabsf(y) > 0.0 || signbit(y) != 0)
252		atf_tc_fail_nonfatal("sinhf(+0.0) != +0.0");
253}
254
255ATF_TP_ADD_TCS(tp)
256{
257
258	ATF_TP_ADD_TC(tp, sinh_inrange);
259	ATF_TP_ADD_TC(tp, sinh_nan);
260	ATF_TP_ADD_TC(tp, sinh_inf_neg);
261	ATF_TP_ADD_TC(tp, sinh_inf_pos);
262	ATF_TP_ADD_TC(tp, sinh_zero_neg);
263	ATF_TP_ADD_TC(tp, sinh_zero_pos);
264
265	ATF_TP_ADD_TC(tp, sinhf_inrange);
266	ATF_TP_ADD_TC(tp, sinhf_nan);
267	ATF_TP_ADD_TC(tp, sinhf_inf_neg);
268	ATF_TP_ADD_TC(tp, sinhf_inf_pos);
269	ATF_TP_ADD_TC(tp, sinhf_zero_neg);
270	ATF_TP_ADD_TC(tp, sinhf_zero_pos);
271
272	return atf_no_error();
273}
274