1 /* $NetBSD: t_log.c,v 1.12 2014/11/04 00:20:19 justin 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_log.c,v 1.12 2014/11/04 00:20:19 justin Exp $"); 33 34 #include <atf-c.h> 35 36 #include <math.h> 37 #include <stdio.h> 38 #include <string.h> 39 40 /* 41 * log10(3) 42 */ 43 ATF_TC(log10_base); 44 ATF_TC_HEAD(log10_base, tc) 45 { 46 atf_tc_set_md_var(tc, "descr", "Test log10(10) == 1"); 47 } 48 49 ATF_TC_BODY(log10_base, tc) 50 { 51 ATF_CHECK(log10(10.0) == 1.0); 52 } 53 54 ATF_TC(log10_nan); 55 ATF_TC_HEAD(log10_nan, tc) 56 { 57 atf_tc_set_md_var(tc, "descr", "Test log10(NaN) == NaN"); 58 } 59 60 ATF_TC_BODY(log10_nan, tc) 61 { 62 const double x = 0.0L / 0.0L; 63 64 ATF_CHECK(isnan(x) != 0); 65 ATF_CHECK(isnan(log10(x)) != 0); 66 } 67 68 ATF_TC(log10_inf_neg); 69 ATF_TC_HEAD(log10_inf_neg, tc) 70 { 71 atf_tc_set_md_var(tc, "descr", "Test log10(-Inf) == NaN"); 72 } 73 74 ATF_TC_BODY(log10_inf_neg, tc) 75 { 76 const double x = -1.0L / 0.0L; 77 const double y = log10(x); 78 79 ATF_CHECK(isnan(y) != 0); 80 } 81 82 ATF_TC(log10_inf_pos); 83 ATF_TC_HEAD(log10_inf_pos, tc) 84 { 85 atf_tc_set_md_var(tc, "descr", "Test log10(+Inf) == +Inf"); 86 } 87 88 ATF_TC_BODY(log10_inf_pos, tc) 89 { 90 const double x = 1.0L / 0.0L; 91 92 ATF_CHECK(log10(x) == x); 93 } 94 95 ATF_TC(log10_one_pos); 96 ATF_TC_HEAD(log10_one_pos, tc) 97 { 98 atf_tc_set_md_var(tc, "descr", "Test log10(1.0) == +0.0"); 99 } 100 101 ATF_TC_BODY(log10_one_pos, tc) 102 { 103 const double x = log10(1.0); 104 const double y = 0.0L; 105 106 ATF_CHECK(x == y); 107 ATF_CHECK(signbit(x) == 0); 108 ATF_CHECK(signbit(y) == 0); 109 } 110 111 ATF_TC(log10_zero_neg); 112 ATF_TC_HEAD(log10_zero_neg, tc) 113 { 114 atf_tc_set_md_var(tc, "descr", "Test log10(-0.0) == -HUGE_VAL"); 115 } 116 117 ATF_TC_BODY(log10_zero_neg, tc) 118 { 119 const double x = -0.0L; 120 121 ATF_CHECK(log10(x) == -HUGE_VAL); 122 } 123 124 ATF_TC(log10_zero_pos); 125 ATF_TC_HEAD(log10_zero_pos, tc) 126 { 127 atf_tc_set_md_var(tc, "descr", "Test log10(+0.0) == -HUGE_VAL"); 128 } 129 130 ATF_TC_BODY(log10_zero_pos, tc) 131 { 132 const double x = 0.0L; 133 134 ATF_CHECK(log10(x) == -HUGE_VAL); 135 } 136 137 /* 138 * log10f(3) 139 */ 140 ATF_TC(log10f_base); 141 ATF_TC_HEAD(log10f_base, tc) 142 { 143 atf_tc_set_md_var(tc, "descr", "Test log10f(10) == 1"); 144 } 145 146 ATF_TC_BODY(log10f_base, tc) 147 { 148 ATF_CHECK(log10f(10.0) == 1.0); 149 } 150 151 ATF_TC(log10f_nan); 152 ATF_TC_HEAD(log10f_nan, tc) 153 { 154 atf_tc_set_md_var(tc, "descr", "Test log10f(NaN) == NaN"); 155 } 156 157 ATF_TC_BODY(log10f_nan, tc) 158 { 159 const float x = 0.0L / 0.0L; 160 161 ATF_CHECK(isnan(x) != 0); 162 ATF_CHECK(isnan(log10f(x)) != 0); 163 } 164 165 ATF_TC(log10f_inf_neg); 166 ATF_TC_HEAD(log10f_inf_neg, tc) 167 { 168 atf_tc_set_md_var(tc, "descr", "Test log10f(-Inf) == NaN"); 169 } 170 171 ATF_TC_BODY(log10f_inf_neg, tc) 172 { 173 const float x = -1.0L / 0.0L; 174 const float y = log10f(x); 175 176 ATF_CHECK(isnan(y) != 0); 177 } 178 179 ATF_TC(log10f_inf_pos); 180 ATF_TC_HEAD(log10f_inf_pos, tc) 181 { 182 atf_tc_set_md_var(tc, "descr", "Test log10f(+Inf) == +Inf"); 183 } 184 185 ATF_TC_BODY(log10f_inf_pos, tc) 186 { 187 const float x = 1.0L / 0.0L; 188 189 #if defined(__alpha__) 190 atf_tc_expect_fail("PR port-alpha/46301"); 191 #endif 192 193 ATF_CHECK(log10f(x) == x); 194 } 195 196 ATF_TC(log10f_one_pos); 197 ATF_TC_HEAD(log10f_one_pos, tc) 198 { 199 atf_tc_set_md_var(tc, "descr", "Test log10f(1.0) == +0.0"); 200 } 201 202 ATF_TC_BODY(log10f_one_pos, tc) 203 { 204 const float x = log10f(1.0); 205 const float y = 0.0L; 206 207 ATF_CHECK(x == y); 208 ATF_CHECK(signbit(x) == 0); 209 ATF_CHECK(signbit(y) == 0); 210 } 211 212 ATF_TC(log10f_zero_neg); 213 ATF_TC_HEAD(log10f_zero_neg, tc) 214 { 215 atf_tc_set_md_var(tc, "descr", "Test log10f(-0.0) == -HUGE_VALF"); 216 } 217 218 ATF_TC_BODY(log10f_zero_neg, tc) 219 { 220 const float x = -0.0L; 221 222 ATF_CHECK(log10f(x) == -HUGE_VALF); 223 } 224 225 ATF_TC(log10f_zero_pos); 226 ATF_TC_HEAD(log10f_zero_pos, tc) 227 { 228 atf_tc_set_md_var(tc, "descr", "Test log10f(+0.0) == -HUGE_VALF"); 229 } 230 231 ATF_TC_BODY(log10f_zero_pos, tc) 232 { 233 const float x = 0.0L; 234 235 ATF_CHECK(log10f(x) == -HUGE_VALF); 236 } 237 238 /* 239 * log1p(3) 240 */ 241 ATF_TC(log1p_nan); 242 ATF_TC_HEAD(log1p_nan, tc) 243 { 244 atf_tc_set_md_var(tc, "descr", "Test log1p(NaN) == NaN"); 245 } 246 247 ATF_TC_BODY(log1p_nan, tc) 248 { 249 const double x = 0.0L / 0.0L; 250 251 ATF_CHECK(isnan(x) != 0); 252 ATF_CHECK(isnan(log1p(x)) != 0); 253 } 254 255 ATF_TC(log1p_inf_neg); 256 ATF_TC_HEAD(log1p_inf_neg, tc) 257 { 258 atf_tc_set_md_var(tc, "descr", "Test log1p(-Inf) == NaN"); 259 } 260 261 ATF_TC_BODY(log1p_inf_neg, tc) 262 { 263 const double x = -1.0L / 0.0L; 264 const double y = log1p(x); 265 266 if (isnan(y) == 0) { 267 atf_tc_expect_fail("PR lib/45362"); 268 atf_tc_fail("log1p(-Inf) != NaN"); 269 } 270 } 271 272 ATF_TC(log1p_inf_pos); 273 ATF_TC_HEAD(log1p_inf_pos, tc) 274 { 275 atf_tc_set_md_var(tc, "descr", "Test log1p(+Inf) == +Inf"); 276 } 277 278 ATF_TC_BODY(log1p_inf_pos, tc) 279 { 280 const double x = 1.0L / 0.0L; 281 282 ATF_CHECK(log1p(x) == x); 283 } 284 285 ATF_TC(log1p_one_neg); 286 ATF_TC_HEAD(log1p_one_neg, tc) 287 { 288 atf_tc_set_md_var(tc, "descr", "Test log1p(-1.0) == -HUGE_VAL"); 289 } 290 291 ATF_TC_BODY(log1p_one_neg, tc) 292 { 293 const double x = log1p(-1.0); 294 295 if (x != -HUGE_VAL) { 296 atf_tc_expect_fail("PR lib/45362"); 297 atf_tc_fail("log1p(-1.0) != -HUGE_VAL"); 298 } 299 } 300 301 ATF_TC(log1p_zero_neg); 302 ATF_TC_HEAD(log1p_zero_neg, tc) 303 { 304 atf_tc_set_md_var(tc, "descr", "Test log1p(-0.0) == -0.0"); 305 } 306 307 ATF_TC_BODY(log1p_zero_neg, tc) 308 { 309 const double x = -0.0L; 310 311 ATF_CHECK(log1p(x) == x); 312 } 313 314 ATF_TC(log1p_zero_pos); 315 ATF_TC_HEAD(log1p_zero_pos, tc) 316 { 317 atf_tc_set_md_var(tc, "descr", "Test log1p(+0.0) == +0.0"); 318 } 319 320 ATF_TC_BODY(log1p_zero_pos, tc) 321 { 322 const double x = 0.0L; 323 324 ATF_CHECK(log1p(x) == x); 325 } 326 327 /* 328 * log1pf(3) 329 */ 330 ATF_TC(log1pf_nan); 331 ATF_TC_HEAD(log1pf_nan, tc) 332 { 333 atf_tc_set_md_var(tc, "descr", "Test log1pf(NaN) == NaN"); 334 } 335 336 ATF_TC_BODY(log1pf_nan, tc) 337 { 338 const float x = 0.0L / 0.0L; 339 340 ATF_CHECK(isnan(x) != 0); 341 ATF_CHECK(isnan(log1pf(x)) != 0); 342 } 343 344 ATF_TC(log1pf_inf_neg); 345 ATF_TC_HEAD(log1pf_inf_neg, tc) 346 { 347 atf_tc_set_md_var(tc, "descr", "Test log1pf(-Inf) == NaN"); 348 } 349 350 ATF_TC_BODY(log1pf_inf_neg, tc) 351 { 352 const float x = -1.0L / 0.0L; 353 const float y = log1pf(x); 354 355 if (isnan(y) == 0) { 356 atf_tc_expect_fail("PR lib/45362"); 357 atf_tc_fail("log1pf(-Inf) != NaN"); 358 } 359 } 360 361 ATF_TC(log1pf_inf_pos); 362 ATF_TC_HEAD(log1pf_inf_pos, tc) 363 { 364 atf_tc_set_md_var(tc, "descr", "Test log1pf(+Inf) == +Inf"); 365 } 366 367 ATF_TC_BODY(log1pf_inf_pos, tc) 368 { 369 const float x = 1.0L / 0.0L; 370 371 ATF_CHECK(log1pf(x) == x); 372 } 373 374 ATF_TC(log1pf_one_neg); 375 ATF_TC_HEAD(log1pf_one_neg, tc) 376 { 377 atf_tc_set_md_var(tc, "descr", "Test log1pf(-1.0) == -HUGE_VALF"); 378 } 379 380 ATF_TC_BODY(log1pf_one_neg, tc) 381 { 382 const float x = log1pf(-1.0); 383 384 if (x != -HUGE_VALF) { 385 atf_tc_expect_fail("PR lib/45362"); 386 atf_tc_fail("log1pf(-1.0) != -HUGE_VALF"); 387 } 388 } 389 390 ATF_TC(log1pf_zero_neg); 391 ATF_TC_HEAD(log1pf_zero_neg, tc) 392 { 393 atf_tc_set_md_var(tc, "descr", "Test log1pf(-0.0) == -0.0"); 394 } 395 396 ATF_TC_BODY(log1pf_zero_neg, tc) 397 { 398 const float x = -0.0L; 399 400 ATF_CHECK(log1pf(x) == x); 401 } 402 403 ATF_TC(log1pf_zero_pos); 404 ATF_TC_HEAD(log1pf_zero_pos, tc) 405 { 406 atf_tc_set_md_var(tc, "descr", "Test log1pf(+0.0) == +0.0"); 407 } 408 409 ATF_TC_BODY(log1pf_zero_pos, tc) 410 { 411 const float x = 0.0L; 412 413 ATF_CHECK(log1pf(x) == x); 414 } 415 416 /* 417 * log2(3) 418 */ 419 ATF_TC(log2_base); 420 ATF_TC_HEAD(log2_base, tc) 421 { 422 atf_tc_set_md_var(tc, "descr", "Test log2(2) == 1"); 423 } 424 425 ATF_TC_BODY(log2_base, tc) 426 { 427 ATF_CHECK(log2(2.0) == 1.0); 428 } 429 430 ATF_TC(log2_nan); 431 ATF_TC_HEAD(log2_nan, tc) 432 { 433 atf_tc_set_md_var(tc, "descr", "Test log2(NaN) == NaN"); 434 } 435 436 ATF_TC_BODY(log2_nan, tc) 437 { 438 const double x = 0.0L / 0.0L; 439 440 ATF_CHECK(isnan(x) != 0); 441 ATF_CHECK(isnan(log2(x)) != 0); 442 } 443 444 ATF_TC(log2_inf_neg); 445 ATF_TC_HEAD(log2_inf_neg, tc) 446 { 447 atf_tc_set_md_var(tc, "descr", "Test log2(-Inf) == NaN"); 448 } 449 450 ATF_TC_BODY(log2_inf_neg, tc) 451 { 452 const double x = -1.0L / 0.0L; 453 const double y = log2(x); 454 455 ATF_CHECK(isnan(y) != 0); 456 } 457 458 ATF_TC(log2_inf_pos); 459 ATF_TC_HEAD(log2_inf_pos, tc) 460 { 461 atf_tc_set_md_var(tc, "descr", "Test log2(+Inf) == +Inf"); 462 } 463 464 ATF_TC_BODY(log2_inf_pos, tc) 465 { 466 const double x = 1.0L / 0.0L; 467 468 ATF_CHECK(log2(x) == x); 469 } 470 471 ATF_TC(log2_one_pos); 472 ATF_TC_HEAD(log2_one_pos, tc) 473 { 474 atf_tc_set_md_var(tc, "descr", "Test log2(1.0) == +0.0"); 475 } 476 477 ATF_TC_BODY(log2_one_pos, tc) 478 { 479 const double x = log2(1.0); 480 const double y = 0.0L; 481 482 ATF_CHECK(x == y); 483 ATF_CHECK(signbit(x) == 0); 484 ATF_CHECK(signbit(y) == 0); 485 } 486 487 ATF_TC(log2_zero_neg); 488 ATF_TC_HEAD(log2_zero_neg, tc) 489 { 490 atf_tc_set_md_var(tc, "descr", "Test log2(-0.0) == -HUGE_VAL"); 491 } 492 493 ATF_TC_BODY(log2_zero_neg, tc) 494 { 495 const double x = -0.0L; 496 497 ATF_CHECK(log2(x) == -HUGE_VAL); 498 } 499 500 ATF_TC(log2_zero_pos); 501 ATF_TC_HEAD(log2_zero_pos, tc) 502 { 503 atf_tc_set_md_var(tc, "descr", "Test log2(+0.0) == -HUGE_VAL"); 504 } 505 506 ATF_TC_BODY(log2_zero_pos, tc) 507 { 508 const double x = 0.0L; 509 510 ATF_CHECK(log2(x) == -HUGE_VAL); 511 } 512 513 /* 514 * log2f(3) 515 */ 516 ATF_TC(log2f_base); 517 ATF_TC_HEAD(log2f_base, tc) 518 { 519 atf_tc_set_md_var(tc, "descr", "Test log2f(2) == 1"); 520 } 521 522 ATF_TC_BODY(log2f_base, tc) 523 { 524 ATF_CHECK(log2f(2.0) == 1.0); 525 } 526 527 ATF_TC(log2f_nan); 528 ATF_TC_HEAD(log2f_nan, tc) 529 { 530 atf_tc_set_md_var(tc, "descr", "Test log2f(NaN) == NaN"); 531 } 532 533 ATF_TC_BODY(log2f_nan, tc) 534 { 535 const float x = 0.0L / 0.0L; 536 537 ATF_CHECK(isnan(x) != 0); 538 ATF_CHECK(isnan(log2f(x)) != 0); 539 } 540 541 ATF_TC(log2f_inf_neg); 542 ATF_TC_HEAD(log2f_inf_neg, tc) 543 { 544 atf_tc_set_md_var(tc, "descr", "Test log2f(-Inf) == NaN"); 545 } 546 547 ATF_TC_BODY(log2f_inf_neg, tc) 548 { 549 const float x = -1.0L / 0.0L; 550 const float y = log2f(x); 551 552 ATF_CHECK(isnan(y) != 0); 553 } 554 555 ATF_TC(log2f_inf_pos); 556 ATF_TC_HEAD(log2f_inf_pos, tc) 557 { 558 atf_tc_set_md_var(tc, "descr", "Test log2f(+Inf) == +Inf"); 559 } 560 561 ATF_TC_BODY(log2f_inf_pos, tc) 562 { 563 const float x = 1.0L / 0.0L; 564 565 #if defined(__alpha__) 566 atf_tc_expect_fail("PR port-alpha/46301"); 567 #endif 568 569 ATF_CHECK(log2f(x) == x); 570 } 571 572 ATF_TC(log2f_one_pos); 573 ATF_TC_HEAD(log2f_one_pos, tc) 574 { 575 atf_tc_set_md_var(tc, "descr", "Test log2f(1.0) == +0.0"); 576 } 577 578 ATF_TC_BODY(log2f_one_pos, tc) 579 { 580 const float x = log2f(1.0); 581 const float y = 0.0L; 582 583 ATF_CHECK(x == y); 584 ATF_CHECK(signbit(x) == 0); 585 ATF_CHECK(signbit(y) == 0); 586 } 587 588 ATF_TC(log2f_zero_neg); 589 ATF_TC_HEAD(log2f_zero_neg, tc) 590 { 591 atf_tc_set_md_var(tc, "descr", "Test log2f(-0.0) == -HUGE_VALF"); 592 } 593 594 ATF_TC_BODY(log2f_zero_neg, tc) 595 { 596 const float x = -0.0L; 597 598 ATF_CHECK(log2f(x) == -HUGE_VALF); 599 } 600 601 ATF_TC(log2f_zero_pos); 602 ATF_TC_HEAD(log2f_zero_pos, tc) 603 { 604 atf_tc_set_md_var(tc, "descr", "Test log2f(+0.0) == -HUGE_VALF"); 605 } 606 607 ATF_TC_BODY(log2f_zero_pos, tc) 608 { 609 const float x = 0.0L; 610 611 ATF_CHECK(log2f(x) == -HUGE_VALF); 612 } 613 614 /* 615 * log(3) 616 */ 617 ATF_TC(log_base); 618 ATF_TC_HEAD(log_base, tc) 619 { 620 atf_tc_set_md_var(tc, "descr", "Test log(e) == 1"); 621 } 622 623 ATF_TC_BODY(log_base, tc) 624 { 625 const double eps = 1.0e-38; 626 627 if (fabs(log(M_E) - 1.0) > eps) 628 atf_tc_fail_nonfatal("log(e) != 1"); 629 } 630 631 ATF_TC(log_nan); 632 ATF_TC_HEAD(log_nan, tc) 633 { 634 atf_tc_set_md_var(tc, "descr", "Test log(NaN) == NaN"); 635 } 636 637 ATF_TC_BODY(log_nan, tc) 638 { 639 const double x = 0.0L / 0.0L; 640 641 ATF_CHECK(isnan(x) != 0); 642 ATF_CHECK(isnan(log(x)) != 0); 643 } 644 645 ATF_TC(log_inf_neg); 646 ATF_TC_HEAD(log_inf_neg, tc) 647 { 648 atf_tc_set_md_var(tc, "descr", "Test log(-Inf) == NaN"); 649 } 650 651 ATF_TC_BODY(log_inf_neg, tc) 652 { 653 const double x = -1.0L / 0.0L; 654 const double y = log(x); 655 656 ATF_CHECK(isnan(y) != 0); 657 } 658 659 ATF_TC(log_inf_pos); 660 ATF_TC_HEAD(log_inf_pos, tc) 661 { 662 atf_tc_set_md_var(tc, "descr", "Test log(+Inf) == +Inf"); 663 } 664 665 ATF_TC_BODY(log_inf_pos, tc) 666 { 667 const double x = 1.0L / 0.0L; 668 669 ATF_CHECK(log(x) == x); 670 } 671 672 ATF_TC(log_one_pos); 673 ATF_TC_HEAD(log_one_pos, tc) 674 { 675 atf_tc_set_md_var(tc, "descr", "Test log(1.0) == +0.0"); 676 } 677 678 ATF_TC_BODY(log_one_pos, tc) 679 { 680 const double x = log(1.0); 681 const double y = 0.0L; 682 683 ATF_CHECK(x == y); 684 ATF_CHECK(signbit(x) == 0); 685 ATF_CHECK(signbit(y) == 0); 686 } 687 688 ATF_TC(log_zero_neg); 689 ATF_TC_HEAD(log_zero_neg, tc) 690 { 691 atf_tc_set_md_var(tc, "descr", "Test log(-0.0) == -HUGE_VAL"); 692 } 693 694 ATF_TC_BODY(log_zero_neg, tc) 695 { 696 const double x = -0.0L; 697 698 ATF_CHECK(log(x) == -HUGE_VAL); 699 } 700 701 ATF_TC(log_zero_pos); 702 ATF_TC_HEAD(log_zero_pos, tc) 703 { 704 atf_tc_set_md_var(tc, "descr", "Test log(+0.0) == -HUGE_VAL"); 705 } 706 707 ATF_TC_BODY(log_zero_pos, tc) 708 { 709 const double x = 0.0L; 710 711 ATF_CHECK(log(x) == -HUGE_VAL); 712 } 713 714 /* 715 * logf(3) 716 */ 717 ATF_TC(logf_base); 718 ATF_TC_HEAD(logf_base, tc) 719 { 720 atf_tc_set_md_var(tc, "descr", "Test logf(e) == 1"); 721 } 722 723 ATF_TC_BODY(logf_base, tc) 724 { 725 const float eps = 1.0e-7; 726 727 if (fabsf(logf(M_E) - 1.0f) > eps) 728 atf_tc_fail_nonfatal("logf(e) != 1"); 729 } 730 731 ATF_TC(logf_nan); 732 ATF_TC_HEAD(logf_nan, tc) 733 { 734 atf_tc_set_md_var(tc, "descr", "Test logf(NaN) == NaN"); 735 } 736 737 ATF_TC_BODY(logf_nan, tc) 738 { 739 const float x = 0.0L / 0.0L; 740 741 ATF_CHECK(isnan(x) != 0); 742 ATF_CHECK(isnan(logf(x)) != 0); 743 } 744 745 ATF_TC(logf_inf_neg); 746 ATF_TC_HEAD(logf_inf_neg, tc) 747 { 748 atf_tc_set_md_var(tc, "descr", "Test logf(-Inf) == NaN"); 749 } 750 751 ATF_TC_BODY(logf_inf_neg, tc) 752 { 753 const float x = -1.0L / 0.0L; 754 const float y = logf(x); 755 756 ATF_CHECK(isnan(y) != 0); 757 } 758 759 ATF_TC(logf_inf_pos); 760 ATF_TC_HEAD(logf_inf_pos, tc) 761 { 762 atf_tc_set_md_var(tc, "descr", "Test logf(+Inf) == +Inf"); 763 } 764 765 ATF_TC_BODY(logf_inf_pos, tc) 766 { 767 const float x = 1.0L / 0.0L; 768 769 #if defined(__alpha__) 770 atf_tc_expect_fail("PR port-alpha/46301"); 771 #endif 772 773 ATF_CHECK(logf(x) == x); 774 } 775 776 ATF_TC(logf_one_pos); 777 ATF_TC_HEAD(logf_one_pos, tc) 778 { 779 atf_tc_set_md_var(tc, "descr", "Test logf(1.0) == +0.0"); 780 } 781 782 ATF_TC_BODY(logf_one_pos, tc) 783 { 784 const float x = logf(1.0); 785 const float y = 0.0L; 786 787 ATF_CHECK(x == y); 788 ATF_CHECK(signbit(x) == 0); 789 ATF_CHECK(signbit(y) == 0); 790 } 791 792 ATF_TC(logf_zero_neg); 793 ATF_TC_HEAD(logf_zero_neg, tc) 794 { 795 atf_tc_set_md_var(tc, "descr", "Test logf(-0.0) == -HUGE_VALF"); 796 } 797 798 ATF_TC_BODY(logf_zero_neg, tc) 799 { 800 const float x = -0.0L; 801 802 ATF_CHECK(logf(x) == -HUGE_VALF); 803 } 804 805 ATF_TC(logf_zero_pos); 806 ATF_TC_HEAD(logf_zero_pos, tc) 807 { 808 atf_tc_set_md_var(tc, "descr", "Test logf(+0.0) == -HUGE_VALF"); 809 } 810 811 ATF_TC_BODY(logf_zero_pos, tc) 812 { 813 const float x = 0.0L; 814 815 ATF_CHECK(logf(x) == -HUGE_VALF); 816 } 817 818 ATF_TP_ADD_TCS(tp) 819 { 820 821 ATF_TP_ADD_TC(tp, log10_base); 822 ATF_TP_ADD_TC(tp, log10_nan); 823 ATF_TP_ADD_TC(tp, log10_inf_neg); 824 ATF_TP_ADD_TC(tp, log10_inf_pos); 825 ATF_TP_ADD_TC(tp, log10_one_pos); 826 ATF_TP_ADD_TC(tp, log10_zero_neg); 827 ATF_TP_ADD_TC(tp, log10_zero_pos); 828 829 ATF_TP_ADD_TC(tp, log10f_base); 830 ATF_TP_ADD_TC(tp, log10f_nan); 831 ATF_TP_ADD_TC(tp, log10f_inf_neg); 832 ATF_TP_ADD_TC(tp, log10f_inf_pos); 833 ATF_TP_ADD_TC(tp, log10f_one_pos); 834 ATF_TP_ADD_TC(tp, log10f_zero_neg); 835 ATF_TP_ADD_TC(tp, log10f_zero_pos); 836 837 ATF_TP_ADD_TC(tp, log1p_nan); 838 ATF_TP_ADD_TC(tp, log1p_inf_neg); 839 ATF_TP_ADD_TC(tp, log1p_inf_pos); 840 ATF_TP_ADD_TC(tp, log1p_one_neg); 841 ATF_TP_ADD_TC(tp, log1p_zero_neg); 842 ATF_TP_ADD_TC(tp, log1p_zero_pos); 843 844 ATF_TP_ADD_TC(tp, log1pf_nan); 845 ATF_TP_ADD_TC(tp, log1pf_inf_neg); 846 ATF_TP_ADD_TC(tp, log1pf_inf_pos); 847 ATF_TP_ADD_TC(tp, log1pf_one_neg); 848 ATF_TP_ADD_TC(tp, log1pf_zero_neg); 849 ATF_TP_ADD_TC(tp, log1pf_zero_pos); 850 851 ATF_TP_ADD_TC(tp, log2_base); 852 ATF_TP_ADD_TC(tp, log2_nan); 853 ATF_TP_ADD_TC(tp, log2_inf_neg); 854 ATF_TP_ADD_TC(tp, log2_inf_pos); 855 ATF_TP_ADD_TC(tp, log2_one_pos); 856 ATF_TP_ADD_TC(tp, log2_zero_neg); 857 ATF_TP_ADD_TC(tp, log2_zero_pos); 858 859 ATF_TP_ADD_TC(tp, log2f_base); 860 ATF_TP_ADD_TC(tp, log2f_nan); 861 ATF_TP_ADD_TC(tp, log2f_inf_neg); 862 ATF_TP_ADD_TC(tp, log2f_inf_pos); 863 ATF_TP_ADD_TC(tp, log2f_one_pos); 864 ATF_TP_ADD_TC(tp, log2f_zero_neg); 865 ATF_TP_ADD_TC(tp, log2f_zero_pos); 866 867 ATF_TP_ADD_TC(tp, log_base); 868 ATF_TP_ADD_TC(tp, log_nan); 869 ATF_TP_ADD_TC(tp, log_inf_neg); 870 ATF_TP_ADD_TC(tp, log_inf_pos); 871 ATF_TP_ADD_TC(tp, log_one_pos); 872 ATF_TP_ADD_TC(tp, log_zero_neg); 873 ATF_TP_ADD_TC(tp, log_zero_pos); 874 875 ATF_TP_ADD_TC(tp, logf_base); 876 ATF_TP_ADD_TC(tp, logf_nan); 877 ATF_TP_ADD_TC(tp, logf_inf_neg); 878 ATF_TP_ADD_TC(tp, logf_inf_pos); 879 ATF_TP_ADD_TC(tp, logf_one_pos); 880 ATF_TP_ADD_TC(tp, logf_zero_neg); 881 ATF_TP_ADD_TC(tp, logf_zero_pos); 882 883 return atf_no_error(); 884 } 885