1 /* $NetBSD: t_sin.c,v 1.4 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
32 #include <atf-c.h>
33 #include <math.h>
34
35 static const struct {
36 int angle;
37 double x;
38 double y;
39 } angles[] = {
40 { -180, -3.141592653589793, 0.0000000000000000 },
41 { -135, -2.356194490192345, -0.7071067811865476 },
42 { -90, -1.570796326794897, -1.0000000000000000 },
43 { -45, -0.785398163397448, -0.7071067811865476 },
44 { 0, 0.000000000000000, 0.0000000000000000 },
45 { 30, 0.523598775598299, 0.5000000000000000 },
46 { 45, 0.785398163397448, 0.7071067811865476 },
47 { 60, 1.047197551196598, 0.8660254037844386 },
48 { 90, 1.570796326794897, 1.0000000000000000 },
49 { 120, 2.094395102393195, 0.8660254037844386 },
50 { 135, 2.356194490192345, 0.7071067811865476 },
51 { 150, 2.617993877991494, 0.5000000000000000 },
52 { 180, 3.141592653589793, 0.0000000000000000 },
53 { 270, 4.712388980384690, -1.0000000000000000 },
54 { 360, 6.283185307179586, 0.0000000000000000 }
55 };
56
57 /*
58 * sin(3)
59 */
60 ATF_TC(sin_angles);
ATF_TC_HEAD(sin_angles,tc)61 ATF_TC_HEAD(sin_angles, tc)
62 {
63 atf_tc_set_md_var(tc, "descr", "Test some selected angles");
64 }
65
ATF_TC_BODY(sin_angles,tc)66 ATF_TC_BODY(sin_angles, tc)
67 {
68 const double eps = 1.0e-15;
69 size_t i;
70
71 for (i = 0; i < __arraycount(angles); i++) {
72
73 if (fabs(sin(angles[i].x) - angles[i].y) > eps)
74 atf_tc_fail_nonfatal("sin(%d deg) != %0.01f",
75 angles[i].angle, angles[i].y);
76 }
77 }
78
79 ATF_TC(sin_nan);
ATF_TC_HEAD(sin_nan,tc)80 ATF_TC_HEAD(sin_nan, tc)
81 {
82 atf_tc_set_md_var(tc, "descr", "Test sin(NaN) == NaN");
83 }
84
ATF_TC_BODY(sin_nan,tc)85 ATF_TC_BODY(sin_nan, tc)
86 {
87 const double x = 0.0L / 0.0L;
88
89 ATF_CHECK(isnan(x) != 0);
90 ATF_CHECK(isnan(sin(x)) != 0);
91 }
92
93 ATF_TC(sin_inf_neg);
ATF_TC_HEAD(sin_inf_neg,tc)94 ATF_TC_HEAD(sin_inf_neg, tc)
95 {
96 atf_tc_set_md_var(tc, "descr", "Test sin(-Inf) == NaN");
97 }
98
ATF_TC_BODY(sin_inf_neg,tc)99 ATF_TC_BODY(sin_inf_neg, tc)
100 {
101 const double x = -1.0L / 0.0L;
102
103 ATF_CHECK(isnan(sin(x)) != 0);
104 }
105
106 ATF_TC(sin_inf_pos);
ATF_TC_HEAD(sin_inf_pos,tc)107 ATF_TC_HEAD(sin_inf_pos, tc)
108 {
109 atf_tc_set_md_var(tc, "descr", "Test sin(+Inf) == NaN");
110 }
111
ATF_TC_BODY(sin_inf_pos,tc)112 ATF_TC_BODY(sin_inf_pos, tc)
113 {
114 const double x = 1.0L / 0.0L;
115
116 ATF_CHECK(isnan(sin(x)) != 0);
117 }
118
119
120 ATF_TC(sin_zero_neg);
ATF_TC_HEAD(sin_zero_neg,tc)121 ATF_TC_HEAD(sin_zero_neg, tc)
122 {
123 atf_tc_set_md_var(tc, "descr", "Test sin(-0.0) == -0.0");
124 }
125
ATF_TC_BODY(sin_zero_neg,tc)126 ATF_TC_BODY(sin_zero_neg, tc)
127 {
128 const double x = -0.0L;
129
130 ATF_CHECK(sin(x) == x);
131 }
132
133 ATF_TC(sin_zero_pos);
ATF_TC_HEAD(sin_zero_pos,tc)134 ATF_TC_HEAD(sin_zero_pos, tc)
135 {
136 atf_tc_set_md_var(tc, "descr", "Test sin(+0.0) == +0.0");
137 }
138
ATF_TC_BODY(sin_zero_pos,tc)139 ATF_TC_BODY(sin_zero_pos, tc)
140 {
141 const double x = 0.0L;
142
143 ATF_CHECK(sin(x) == x);
144 }
145
146 /*
147 * sinf(3)
148 */
149 ATF_TC(sinf_angles);
ATF_TC_HEAD(sinf_angles,tc)150 ATF_TC_HEAD(sinf_angles, tc)
151 {
152 atf_tc_set_md_var(tc, "descr", "Test some selected angles");
153 }
154
ATF_TC_BODY(sinf_angles,tc)155 ATF_TC_BODY(sinf_angles, tc)
156 {
157 const float eps = 1.0e-6;
158 float x, y;
159 size_t i;
160
161 for (i = 0; i < __arraycount(angles); i++) {
162
163 x = angles[i].x;
164 y = angles[i].y;
165
166 if (fabsf(sinf(x) - y) > eps)
167 atf_tc_fail_nonfatal("sinf(%d deg) != %0.01f",
168 angles[i].angle, angles[i].y);
169 }
170 }
171
172 ATF_TC(sinf_nan);
ATF_TC_HEAD(sinf_nan,tc)173 ATF_TC_HEAD(sinf_nan, tc)
174 {
175 atf_tc_set_md_var(tc, "descr", "Test sinf(NaN) == NaN");
176 }
177
ATF_TC_BODY(sinf_nan,tc)178 ATF_TC_BODY(sinf_nan, tc)
179 {
180 const float x = 0.0L / 0.0L;
181
182 ATF_CHECK(isnan(x) != 0);
183 ATF_CHECK(isnan(sinf(x)) != 0);
184 }
185
186 ATF_TC(sinf_inf_neg);
ATF_TC_HEAD(sinf_inf_neg,tc)187 ATF_TC_HEAD(sinf_inf_neg, tc)
188 {
189 atf_tc_set_md_var(tc, "descr", "Test sinf(-Inf) == NaN");
190 }
191
ATF_TC_BODY(sinf_inf_neg,tc)192 ATF_TC_BODY(sinf_inf_neg, tc)
193 {
194 const float x = -1.0L / 0.0L;
195
196 if (isnan(sinf(x)) == 0) {
197 atf_tc_expect_fail("PR lib/45362");
198 atf_tc_fail("sinf(-Inf) != NaN");
199 }
200 }
201
202 ATF_TC(sinf_inf_pos);
ATF_TC_HEAD(sinf_inf_pos,tc)203 ATF_TC_HEAD(sinf_inf_pos, tc)
204 {
205 atf_tc_set_md_var(tc, "descr", "Test sinf(+Inf) == NaN");
206 }
207
ATF_TC_BODY(sinf_inf_pos,tc)208 ATF_TC_BODY(sinf_inf_pos, tc)
209 {
210 const float x = 1.0L / 0.0L;
211
212 if (isnan(sinf(x)) == 0) {
213 atf_tc_expect_fail("PR lib/45362");
214 atf_tc_fail("sinf(+Inf) != NaN");
215 }
216 }
217
218
219 ATF_TC(sinf_zero_neg);
ATF_TC_HEAD(sinf_zero_neg,tc)220 ATF_TC_HEAD(sinf_zero_neg, tc)
221 {
222 atf_tc_set_md_var(tc, "descr", "Test sinf(-0.0) == -0.0");
223 }
224
ATF_TC_BODY(sinf_zero_neg,tc)225 ATF_TC_BODY(sinf_zero_neg, tc)
226 {
227 const float x = -0.0L;
228
229 ATF_CHECK(sinf(x) == x);
230 }
231
232 ATF_TC(sinf_zero_pos);
ATF_TC_HEAD(sinf_zero_pos,tc)233 ATF_TC_HEAD(sinf_zero_pos, tc)
234 {
235 atf_tc_set_md_var(tc, "descr", "Test sinf(+0.0) == +0.0");
236 }
237
ATF_TC_BODY(sinf_zero_pos,tc)238 ATF_TC_BODY(sinf_zero_pos, tc)
239 {
240 const float x = 0.0L;
241
242 ATF_CHECK(sinf(x) == x);
243 }
244
ATF_TP_ADD_TCS(tp)245 ATF_TP_ADD_TCS(tp)
246 {
247
248 ATF_TP_ADD_TC(tp, sin_angles);
249 ATF_TP_ADD_TC(tp, sin_nan);
250 ATF_TP_ADD_TC(tp, sin_inf_neg);
251 ATF_TP_ADD_TC(tp, sin_inf_pos);
252 ATF_TP_ADD_TC(tp, sin_zero_neg);
253 ATF_TP_ADD_TC(tp, sin_zero_pos);
254
255 ATF_TP_ADD_TC(tp, sinf_angles);
256 ATF_TP_ADD_TC(tp, sinf_nan);
257 ATF_TP_ADD_TC(tp, sinf_inf_neg);
258 ATF_TP_ADD_TC(tp, sinf_inf_pos);
259 ATF_TP_ADD_TC(tp, sinf_zero_neg);
260 ATF_TP_ADD_TC(tp, sinf_zero_pos);
261
262 return atf_no_error();
263 }
264