t_sinh.c revision 1.4
1 /* $NetBSD: t_sinh.c,v 1.4 2011/10/18 14:16:42 jruoho 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 1.4 2011/10/18 14:16:42 jruoho Exp $"); 33 34 #include <atf-c.h> 35 #include <math.h> 36 #include <stdio.h> 37 38 /* 39 * sinh(3) 40 */ 41 ATF_TC(sinh_def); 42 ATF_TC_HEAD(sinh_def, tc) 43 { 44 atf_tc_set_md_var(tc, "descr", "Test the definition of sinh(3)"); 45 } 46 47 ATF_TC_BODY(sinh_def, tc) 48 { 49 #ifndef __vax__ 50 const double x[] = { 0.005, 0.05, 0.0, 1.0, 10.0, 20.0 }; 51 const double eps = 1.0e-4; 52 double y, z; 53 size_t i; 54 55 for (i = 0; i < __arraycount(x); i++) { 56 57 y = sinh(x[i]); 58 z = (exp(x[i]) - exp(-x[i])) / 2; 59 60 (void)fprintf(stderr, 61 "sinh(%0.03f) = %f\n(exp(%0.03f) - " 62 "exp(-%0.03f)) / 2 = %f\n", x[i], y, x[i], x[i], z); 63 64 if (fabs(y - z) > eps) 65 atf_tc_fail_nonfatal("sinh(%0.03f) != %0.03f\n", 66 x[i], z); 67 } 68 #endif 69 } 70 71 ATF_TC(sinh_nan); 72 ATF_TC_HEAD(sinh_nan, tc) 73 { 74 atf_tc_set_md_var(tc, "descr", "Test sinh(NaN) == NaN"); 75 } 76 77 ATF_TC_BODY(sinh_nan, tc) 78 { 79 #ifndef __vax__ 80 const double x = 0.0L / 0.0L; 81 82 ATF_CHECK(isnan(x) != 0); 83 ATF_CHECK(isnan(sinh(x)) != 0); 84 #endif 85 } 86 87 ATF_TC(sinh_inf_neg); 88 ATF_TC_HEAD(sinh_inf_neg, tc) 89 { 90 atf_tc_set_md_var(tc, "descr", "Test sinh(-Inf) == -Inf"); 91 } 92 93 ATF_TC_BODY(sinh_inf_neg, tc) 94 { 95 #ifndef __vax__ 96 const double x = -1.0L / 0.0L; 97 double y = sinh(x); 98 99 ATF_CHECK(isinf(y) != 0); 100 ATF_CHECK(signbit(y) != 0); 101 #endif 102 } 103 104 ATF_TC(sinh_inf_pos); 105 ATF_TC_HEAD(sinh_inf_pos, tc) 106 { 107 atf_tc_set_md_var(tc, "descr", "Test sinh(+Inf) == +Inf"); 108 } 109 110 ATF_TC_BODY(sinh_inf_pos, tc) 111 { 112 #ifndef __vax__ 113 const double x = 1.0L / 0.0L; 114 double y = sinh(x); 115 116 ATF_CHECK(isinf(y) != 0); 117 ATF_CHECK(signbit(y) == 0); 118 #endif 119 } 120 121 ATF_TC(sinh_zero_neg); 122 ATF_TC_HEAD(sinh_zero_neg, tc) 123 { 124 atf_tc_set_md_var(tc, "descr", "Test sinh(-0.0) == -0.0"); 125 } 126 127 ATF_TC_BODY(sinh_zero_neg, tc) 128 { 129 #ifndef __vax__ 130 const double x = -0.0L; 131 double y = sinh(x); 132 133 if (fabs(y) > 0.0 || signbit(y) == 0) 134 atf_tc_fail_nonfatal("sinh(-0.0) != -0.0"); 135 #endif 136 } 137 138 ATF_TC(sinh_zero_pos); 139 ATF_TC_HEAD(sinh_zero_pos, tc) 140 { 141 atf_tc_set_md_var(tc, "descr", "Test sinh(+0.0) == +0.0"); 142 } 143 144 ATF_TC_BODY(sinh_zero_pos, tc) 145 { 146 #ifndef __vax__ 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 #endif 153 } 154 155 /* 156 * sinhf(3) 157 */ 158 ATF_TC(sinhf_def); 159 ATF_TC_HEAD(sinhf_def, tc) 160 { 161 atf_tc_set_md_var(tc, "descr", "Test the definition of sinhf(3)"); 162 } 163 164 ATF_TC_BODY(sinhf_def, tc) 165 { 166 #ifndef __vax__ 167 const float x[] = { 0.005, 0.05, 0.0, 1.0, 10.0, 20.0 }; 168 const float eps = 1.0e-2; 169 float y, z; 170 size_t i; 171 172 for (i = 0; i < __arraycount(x); i++) { 173 174 y = sinhf(x[i]); 175 z = (expf(x[i]) - expf(-x[i])) / 2; 176 177 (void)fprintf(stderr, 178 "sinhf(%0.03f) = %f\n(expf(%0.03f) - " 179 "expf(-%0.03f)) / 2 = %f\n", x[i], y, x[i], x[i], z); 180 181 if (fabsf(y - z) > eps) 182 atf_tc_fail_nonfatal("sinhf(%0.03f) != %0.03f\n", 183 x[i], z); 184 } 185 #endif 186 } 187 188 ATF_TC(sinhf_nan); 189 ATF_TC_HEAD(sinhf_nan, tc) 190 { 191 atf_tc_set_md_var(tc, "descr", "Test sinhf(NaN) == NaN"); 192 } 193 194 ATF_TC_BODY(sinhf_nan, tc) 195 { 196 #ifndef __vax__ 197 const float x = 0.0L / 0.0L; 198 199 ATF_CHECK(isnan(x) != 0); 200 ATF_CHECK(isnan(sinhf(x)) != 0); 201 #endif 202 } 203 204 ATF_TC(sinhf_inf_neg); 205 ATF_TC_HEAD(sinhf_inf_neg, tc) 206 { 207 atf_tc_set_md_var(tc, "descr", "Test sinhf(-Inf) == -Inf"); 208 } 209 210 ATF_TC_BODY(sinhf_inf_neg, tc) 211 { 212 #ifndef __vax__ 213 const float x = -1.0L / 0.0L; 214 float y = sinhf(x); 215 216 ATF_CHECK(isinf(y) != 0); 217 ATF_CHECK(signbit(y) != 0); 218 #endif 219 } 220 221 ATF_TC(sinhf_inf_pos); 222 ATF_TC_HEAD(sinhf_inf_pos, tc) 223 { 224 atf_tc_set_md_var(tc, "descr", "Test sinhf(+Inf) == +Inf"); 225 } 226 227 ATF_TC_BODY(sinhf_inf_pos, tc) 228 { 229 #ifndef __vax__ 230 const float x = 1.0L / 0.0L; 231 float y = sinhf(x); 232 233 ATF_CHECK(isinf(y) != 0); 234 ATF_CHECK(signbit(y) == 0); 235 #endif 236 } 237 238 ATF_TC(sinhf_zero_neg); 239 ATF_TC_HEAD(sinhf_zero_neg, tc) 240 { 241 atf_tc_set_md_var(tc, "descr", "Test sinhf(-0.0) == -0.0"); 242 } 243 244 ATF_TC_BODY(sinhf_zero_neg, tc) 245 { 246 #ifndef __vax__ 247 const float x = -0.0L; 248 float y = sinhf(x); 249 250 if (fabsf(y) > 0.0 || signbit(y) == 0) 251 atf_tc_fail_nonfatal("sinhf(-0.0) != -0.0"); 252 #endif 253 } 254 255 ATF_TC(sinhf_zero_pos); 256 ATF_TC_HEAD(sinhf_zero_pos, tc) 257 { 258 atf_tc_set_md_var(tc, "descr", "Test sinhf(+0.0) == +0.0"); 259 } 260 261 ATF_TC_BODY(sinhf_zero_pos, tc) 262 { 263 #ifndef __vax__ 264 const float x = 0.0L; 265 float y = sinhf(x); 266 267 if (fabsf(y) > 0.0 || signbit(y) != 0) 268 atf_tc_fail_nonfatal("sinhf(+0.0) != +0.0"); 269 #endif 270 } 271 272 ATF_TP_ADD_TCS(tp) 273 { 274 275 ATF_TP_ADD_TC(tp, sinh_def); 276 ATF_TP_ADD_TC(tp, sinh_nan); 277 ATF_TP_ADD_TC(tp, sinh_inf_neg); 278 ATF_TP_ADD_TC(tp, sinh_inf_pos); 279 ATF_TP_ADD_TC(tp, sinh_zero_neg); 280 ATF_TP_ADD_TC(tp, sinh_zero_pos); 281 282 ATF_TP_ADD_TC(tp, sinhf_def); 283 ATF_TP_ADD_TC(tp, sinhf_nan); 284 ATF_TP_ADD_TC(tp, sinhf_inf_neg); 285 ATF_TP_ADD_TC(tp, sinhf_inf_pos); 286 ATF_TP_ADD_TC(tp, sinhf_zero_neg); 287 ATF_TP_ADD_TC(tp, sinhf_zero_pos); 288 289 return atf_no_error(); 290 } 291
Indexes created Tue Oct 14 00:09:49 GMT 2025