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); 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 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); 82 ATF_TC_HEAD(sinh_nan, tc) 83 { 84 atf_tc_set_md_var(tc, "descr", "Test sinh(NaN) == NaN"); 85 } 86 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); 96 ATF_TC_HEAD(sinh_inf_neg, tc) 97 { 98 atf_tc_set_md_var(tc, "descr", "Test sinh(-Inf) == -Inf"); 99 } 100 101 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); 111 ATF_TC_HEAD(sinh_inf_pos, tc) 112 { 113 atf_tc_set_md_var(tc, "descr", "Test sinh(+Inf) == +Inf"); 114 } 115 116 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); 126 ATF_TC_HEAD(sinh_zero_neg, tc) 127 { 128 atf_tc_set_md_var(tc, "descr", "Test sinh(-0.0) == -0.0"); 129 } 130 131 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); 141 ATF_TC_HEAD(sinh_zero_pos, tc) 142 { 143 atf_tc_set_md_var(tc, "descr", "Test sinh(+0.0) == +0.0"); 144 } 145 146 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); 159 ATF_TC_HEAD(sinhf_inrange, tc) 160 { 161 atf_tc_set_md_var(tc, "descr", "sinhf(x) for some values"); 162 } 163 164 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); 182 ATF_TC_HEAD(sinhf_nan, tc) 183 { 184 atf_tc_set_md_var(tc, "descr", "Test sinhf(NaN) == NaN"); 185 } 186 187 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); 196 ATF_TC_HEAD(sinhf_inf_neg, tc) 197 { 198 atf_tc_set_md_var(tc, "descr", "Test sinhf(-Inf) == -Inf"); 199 } 200 201 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); 211 ATF_TC_HEAD(sinhf_inf_pos, tc) 212 { 213 atf_tc_set_md_var(tc, "descr", "Test sinhf(+Inf) == +Inf"); 214 } 215 216 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); 226 ATF_TC_HEAD(sinhf_zero_neg, tc) 227 { 228 atf_tc_set_md_var(tc, "descr", "Test sinhf(-0.0) == -0.0"); 229 } 230 231 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); 241 ATF_TC_HEAD(sinhf_zero_pos, tc) 242 { 243 atf_tc_set_md_var(tc, "descr", "Test sinhf(+0.0) == +0.0"); 244 } 245 246 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 } 254 255 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