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
38 static 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 */
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 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
81 ATF_TC(sinh_nan);
ATF_TC_HEAD(sinh_nan,tc)82 ATF_TC_HEAD(sinh_nan, tc)
83 {
84 atf_tc_set_md_var(tc, "descr", "Test sinh(NaN) == NaN");
85 }
86
ATF_TC_BODY(sinh_nan,tc)87 ATF_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
95 ATF_TC(sinh_inf_neg);
ATF_TC_HEAD(sinh_inf_neg,tc)96 ATF_TC_HEAD(sinh_inf_neg, tc)
97 {
98 atf_tc_set_md_var(tc, "descr", "Test sinh(-Inf) == -Inf");
99 }
100
ATF_TC_BODY(sinh_inf_neg,tc)101 ATF_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
110 ATF_TC(sinh_inf_pos);
ATF_TC_HEAD(sinh_inf_pos,tc)111 ATF_TC_HEAD(sinh_inf_pos, tc)
112 {
113 atf_tc_set_md_var(tc, "descr", "Test sinh(+Inf) == +Inf");
114 }
115
ATF_TC_BODY(sinh_inf_pos,tc)116 ATF_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
125 ATF_TC(sinh_zero_neg);
ATF_TC_HEAD(sinh_zero_neg,tc)126 ATF_TC_HEAD(sinh_zero_neg, tc)
127 {
128 atf_tc_set_md_var(tc, "descr", "Test sinh(-0.0) == -0.0");
129 }
130
ATF_TC_BODY(sinh_zero_neg,tc)131 ATF_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
140 ATF_TC(sinh_zero_pos);
ATF_TC_HEAD(sinh_zero_pos,tc)141 ATF_TC_HEAD(sinh_zero_pos, tc)
142 {
143 atf_tc_set_md_var(tc, "descr", "Test sinh(+0.0) == +0.0");
144 }
145
ATF_TC_BODY(sinh_zero_pos,tc)146 ATF_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 */
158 ATF_TC(sinhf_inrange);
ATF_TC_HEAD(sinhf_inrange,tc)159 ATF_TC_HEAD(sinhf_inrange, tc)
160 {
161 atf_tc_set_md_var(tc, "descr", "sinhf(x) for some values");
162 }
163
ATF_TC_BODY(sinhf_inrange,tc)164 ATF_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
181 ATF_TC(sinhf_nan);
ATF_TC_HEAD(sinhf_nan,tc)182 ATF_TC_HEAD(sinhf_nan, tc)
183 {
184 atf_tc_set_md_var(tc, "descr", "Test sinhf(NaN) == NaN");
185 }
186
ATF_TC_BODY(sinhf_nan,tc)187 ATF_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
195 ATF_TC(sinhf_inf_neg);
ATF_TC_HEAD(sinhf_inf_neg,tc)196 ATF_TC_HEAD(sinhf_inf_neg, tc)
197 {
198 atf_tc_set_md_var(tc, "descr", "Test sinhf(-Inf) == -Inf");
199 }
200
ATF_TC_BODY(sinhf_inf_neg,tc)201 ATF_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
210 ATF_TC(sinhf_inf_pos);
ATF_TC_HEAD(sinhf_inf_pos,tc)211 ATF_TC_HEAD(sinhf_inf_pos, tc)
212 {
213 atf_tc_set_md_var(tc, "descr", "Test sinhf(+Inf) == +Inf");
214 }
215
ATF_TC_BODY(sinhf_inf_pos,tc)216 ATF_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
225 ATF_TC(sinhf_zero_neg);
ATF_TC_HEAD(sinhf_zero_neg,tc)226 ATF_TC_HEAD(sinhf_zero_neg, tc)
227 {
228 atf_tc_set_md_var(tc, "descr", "Test sinhf(-0.0) == -0.0");
229 }
230
ATF_TC_BODY(sinhf_zero_neg,tc)231 ATF_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
240 ATF_TC(sinhf_zero_pos);
ATF_TC_HEAD(sinhf_zero_pos,tc)241 ATF_TC_HEAD(sinhf_zero_pos, tc)
242 {
243 atf_tc_set_md_var(tc, "descr", "Test sinhf(+0.0) == +0.0");
244 }
245
ATF_TC_BODY(sinhf_zero_pos,tc)246 ATF_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
ATF_TP_ADD_TCS(tp)255 ATF_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