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); 59 ATF_TC_HEAD(sinh_inrange, tc) 60 { 61 atf_tc_set_md_var(tc, "descr", "sinh(x) for some values"); 62 } 63 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); 81 ATF_TC_HEAD(sinh_nan, tc) 82 { 83 atf_tc_set_md_var(tc, "descr", "Test sinh(NaN) == NaN"); 84 } 85 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); 95 ATF_TC_HEAD(sinh_inf_neg, tc) 96 { 97 atf_tc_set_md_var(tc, "descr", "Test sinh(-Inf) == -Inf"); 98 } 99 100 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); 110 ATF_TC_HEAD(sinh_inf_pos, tc) 111 { 112 atf_tc_set_md_var(tc, "descr", "Test sinh(+Inf) == +Inf"); 113 } 114 115 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); 125 ATF_TC_HEAD(sinh_zero_neg, tc) 126 { 127 atf_tc_set_md_var(tc, "descr", "Test sinh(-0.0) == -0.0"); 128 } 129 130 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); 140 ATF_TC_HEAD(sinh_zero_pos, tc) 141 { 142 atf_tc_set_md_var(tc, "descr", "Test sinh(+0.0) == +0.0"); 143 } 144 145 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); 158 ATF_TC_HEAD(sinhf_inrange, tc) 159 { 160 atf_tc_set_md_var(tc, "descr", "sinhf(x) for some values"); 161 } 162 163 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); 180 ATF_TC_HEAD(sinhf_nan, tc) 181 { 182 atf_tc_set_md_var(tc, "descr", "Test sinhf(NaN) == NaN"); 183 } 184 185 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); 194 ATF_TC_HEAD(sinhf_inf_neg, tc) 195 { 196 atf_tc_set_md_var(tc, "descr", "Test sinhf(-Inf) == -Inf"); 197 } 198 199 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); 209 ATF_TC_HEAD(sinhf_inf_pos, tc) 210 { 211 atf_tc_set_md_var(tc, "descr", "Test sinhf(+Inf) == +Inf"); 212 } 213 214 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); 224 ATF_TC_HEAD(sinhf_zero_neg, tc) 225 { 226 atf_tc_set_md_var(tc, "descr", "Test sinhf(-0.0) == -0.0"); 227 } 228 229 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); 239 ATF_TC_HEAD(sinhf_zero_pos, tc) 240 { 241 atf_tc_set_md_var(tc, "descr", "Test sinhf(+0.0) == +0.0"); 242 } 243 244 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 } 252 253 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