1 /* $NetBSD: t_sinh.c,v 1.7 2018/11/07 03:59:36 riastradh 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 1.7 2018/11/07 03:59:36 riastradh Exp $");
33
34 #include <atf-c.h>
35 #include <float.h>
36 #include <math.h>
37 #include <stdio.h>
38
39 static const struct {
40 double x;
41 double y;
42 } values[] = {
43 { -10, -11013.232874703393, },
44 { -2, -3.626860407847019, },
45 { -1, -1.1752011936438014, },
46 { -0.05, -0.050020835937655016, },
47 { -0.001,-0.0010000001666666751, },
48 { 0.001, 0.0010000001666666751, },
49 { 0.05, 0.050020835937655016, },
50 { 1, 1.1752011936438014, },
51 { 2, 3.626860407847019, },
52 { 10, 11013.232874703393, },
53 };
54
55 /*
56 * sinh(3)
57 */
58 ATF_TC(sinh_inrange);
ATF_TC_HEAD(sinh_inrange,tc)59 ATF_TC_HEAD(sinh_inrange, tc)
60 {
61 atf_tc_set_md_var(tc, "descr", "sinh(x) for some values");
62 }
63
ATF_TC_BODY(sinh_inrange,tc)64 ATF_TC_BODY(sinh_inrange, tc)
65 {
66 const double eps = DBL_EPSILON;
67 size_t i;
68
69 for (i = 0; i < __arraycount(values); i++) {
70 double x = values[i].x;
71 double sinh_x = values[i].y;
72
73 if (!(fabs((sinh(x) - sinh_x)/sinh_x) <= eps)) {
74 atf_tc_fail_nonfatal("sinh(%.17g) = %.17g != %.17g\n",
75 x, sinh(x), sinh_x);
76 }
77 }
78 }
79
80 ATF_TC(sinh_nan);
ATF_TC_HEAD(sinh_nan,tc)81 ATF_TC_HEAD(sinh_nan, tc)
82 {
83 atf_tc_set_md_var(tc, "descr", "Test sinh(NaN) == NaN");
84 }
85
ATF_TC_BODY(sinh_nan,tc)86 ATF_TC_BODY(sinh_nan, tc)
87 {
88 const double x = 0.0L / 0.0L;
89
90 ATF_CHECK(isnan(x) != 0);
91 ATF_CHECK(isnan(sinh(x)) != 0);
92 }
93
94 ATF_TC(sinh_inf_neg);
ATF_TC_HEAD(sinh_inf_neg,tc)95 ATF_TC_HEAD(sinh_inf_neg, tc)
96 {
97 atf_tc_set_md_var(tc, "descr", "Test sinh(-Inf) == -Inf");
98 }
99
ATF_TC_BODY(sinh_inf_neg,tc)100 ATF_TC_BODY(sinh_inf_neg, tc)
101 {
102 const double x = -1.0L / 0.0L;
103 double y = sinh(x);
104
105 ATF_CHECK(isinf(y) != 0);
106 ATF_CHECK(signbit(y) != 0);
107 }
108
109 ATF_TC(sinh_inf_pos);
ATF_TC_HEAD(sinh_inf_pos,tc)110 ATF_TC_HEAD(sinh_inf_pos, tc)
111 {
112 atf_tc_set_md_var(tc, "descr", "Test sinh(+Inf) == +Inf");
113 }
114
ATF_TC_BODY(sinh_inf_pos,tc)115 ATF_TC_BODY(sinh_inf_pos, tc)
116 {
117 const double x = 1.0L / 0.0L;
118 double y = sinh(x);
119
120 ATF_CHECK(isinf(y) != 0);
121 ATF_CHECK(signbit(y) == 0);
122 }
123
124 ATF_TC(sinh_zero_neg);
ATF_TC_HEAD(sinh_zero_neg,tc)125 ATF_TC_HEAD(sinh_zero_neg, tc)
126 {
127 atf_tc_set_md_var(tc, "descr", "Test sinh(-0.0) == -0.0");
128 }
129
ATF_TC_BODY(sinh_zero_neg,tc)130 ATF_TC_BODY(sinh_zero_neg, tc)
131 {
132 const double x = -0.0L;
133 double y = sinh(x);
134
135 if (fabs(y) > 0.0 || signbit(y) == 0)
136 atf_tc_fail_nonfatal("sinh(-0.0) != -0.0");
137 }
138
139 ATF_TC(sinh_zero_pos);
ATF_TC_HEAD(sinh_zero_pos,tc)140 ATF_TC_HEAD(sinh_zero_pos, tc)
141 {
142 atf_tc_set_md_var(tc, "descr", "Test sinh(+0.0) == +0.0");
143 }
144
ATF_TC_BODY(sinh_zero_pos,tc)145 ATF_TC_BODY(sinh_zero_pos, tc)
146 {
147 const double x = 0.0L;
148 double y = sinh(x);
149
150 if (fabs(y) > 0.0 || signbit(y) != 0)
151 atf_tc_fail_nonfatal("sinh(+0.0) != +0.0");
152 }
153
154 /*
155 * sinhf(3)
156 */
157 ATF_TC(sinhf_inrange);
ATF_TC_HEAD(sinhf_inrange,tc)158 ATF_TC_HEAD(sinhf_inrange, tc)
159 {
160 atf_tc_set_md_var(tc, "descr", "sinhf(x) for some values");
161 }
162
ATF_TC_BODY(sinhf_inrange,tc)163 ATF_TC_BODY(sinhf_inrange, tc)
164 {
165 const float eps = FLT_EPSILON;
166 size_t i;
167
168 for (i = 0; i < __arraycount(values); i++) {
169 float x = values[i].x;
170 float sinh_x = values[i].y;
171
172 if (!(fabsf((sinhf(x) - sinh_x)/sinh_x) <= eps)) {
173 atf_tc_fail_nonfatal("sinhf(%.8g) = %.8g != %.8g\n",
174 (double)x, (double)sinhf(x), (double)sinh_x);
175 }
176 }
177 }
178
179 ATF_TC(sinhf_nan);
ATF_TC_HEAD(sinhf_nan,tc)180 ATF_TC_HEAD(sinhf_nan, tc)
181 {
182 atf_tc_set_md_var(tc, "descr", "Test sinhf(NaN) == NaN");
183 }
184
ATF_TC_BODY(sinhf_nan,tc)185 ATF_TC_BODY(sinhf_nan, tc)
186 {
187 const float x = 0.0L / 0.0L;
188
189 ATF_CHECK(isnan(x) != 0);
190 ATF_CHECK(isnan(sinhf(x)) != 0);
191 }
192
193 ATF_TC(sinhf_inf_neg);
ATF_TC_HEAD(sinhf_inf_neg,tc)194 ATF_TC_HEAD(sinhf_inf_neg, tc)
195 {
196 atf_tc_set_md_var(tc, "descr", "Test sinhf(-Inf) == -Inf");
197 }
198
ATF_TC_BODY(sinhf_inf_neg,tc)199 ATF_TC_BODY(sinhf_inf_neg, tc)
200 {
201 const float x = -1.0L / 0.0L;
202 float y = sinhf(x);
203
204 ATF_CHECK(isinf(y) != 0);
205 ATF_CHECK(signbit(y) != 0);
206 }
207
208 ATF_TC(sinhf_inf_pos);
ATF_TC_HEAD(sinhf_inf_pos,tc)209 ATF_TC_HEAD(sinhf_inf_pos, tc)
210 {
211 atf_tc_set_md_var(tc, "descr", "Test sinhf(+Inf) == +Inf");
212 }
213
ATF_TC_BODY(sinhf_inf_pos,tc)214 ATF_TC_BODY(sinhf_inf_pos, tc)
215 {
216 const float x = 1.0L / 0.0L;
217 float y = sinhf(x);
218
219 ATF_CHECK(isinf(y) != 0);
220 ATF_CHECK(signbit(y) == 0);
221 }
222
223 ATF_TC(sinhf_zero_neg);
ATF_TC_HEAD(sinhf_zero_neg,tc)224 ATF_TC_HEAD(sinhf_zero_neg, tc)
225 {
226 atf_tc_set_md_var(tc, "descr", "Test sinhf(-0.0) == -0.0");
227 }
228
ATF_TC_BODY(sinhf_zero_neg,tc)229 ATF_TC_BODY(sinhf_zero_neg, tc)
230 {
231 const float x = -0.0L;
232 float y = sinhf(x);
233
234 if (fabsf(y) > 0.0 || signbit(y) == 0)
235 atf_tc_fail_nonfatal("sinhf(-0.0) != -0.0");
236 }
237
238 ATF_TC(sinhf_zero_pos);
ATF_TC_HEAD(sinhf_zero_pos,tc)239 ATF_TC_HEAD(sinhf_zero_pos, tc)
240 {
241 atf_tc_set_md_var(tc, "descr", "Test sinhf(+0.0) == +0.0");
242 }
243
ATF_TC_BODY(sinhf_zero_pos,tc)244 ATF_TC_BODY(sinhf_zero_pos, tc)
245 {
246 const float x = 0.0L;
247 float y = sinhf(x);
248
249 if (fabsf(y) > 0.0 || signbit(y) != 0)
250 atf_tc_fail_nonfatal("sinhf(+0.0) != +0.0");
251 }
252
ATF_TP_ADD_TCS(tp)253 ATF_TP_ADD_TCS(tp)
254 {
255
256 ATF_TP_ADD_TC(tp, sinh_inrange);
257 ATF_TP_ADD_TC(tp, sinh_nan);
258 ATF_TP_ADD_TC(tp, sinh_inf_neg);
259 ATF_TP_ADD_TC(tp, sinh_inf_pos);
260 ATF_TP_ADD_TC(tp, sinh_zero_neg);
261 ATF_TP_ADD_TC(tp, sinh_zero_pos);
262
263 ATF_TP_ADD_TC(tp, sinhf_inrange);
264 ATF_TP_ADD_TC(tp, sinhf_nan);
265 ATF_TP_ADD_TC(tp, sinhf_inf_neg);
266 ATF_TP_ADD_TC(tp, sinhf_inf_pos);
267 ATF_TP_ADD_TC(tp, sinhf_zero_neg);
268 ATF_TP_ADD_TC(tp, sinhf_zero_pos);
269
270 return atf_no_error();
271 }
272