t_log.c revision 313498
1/* $NetBSD: t_log.c,v 1.13 2015/02/09 19:39:48 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_log.c,v 1.13 2015/02/09 19:39:48 martin 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 */ 43ATF_TC(log10_base); 44ATF_TC_HEAD(log10_base, tc) 45{ 46 atf_tc_set_md_var(tc, "descr", "Test log10(10) == 1"); 47} 48 49ATF_TC_BODY(log10_base, tc) 50{ 51 ATF_CHECK(log10(10.0) == 1.0); 52} 53 54ATF_TC(log10_nan); 55ATF_TC_HEAD(log10_nan, tc) 56{ 57 atf_tc_set_md_var(tc, "descr", "Test log10(NaN) == NaN"); 58} 59 60ATF_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 68ATF_TC(log10_inf_neg); 69ATF_TC_HEAD(log10_inf_neg, tc) 70{ 71 atf_tc_set_md_var(tc, "descr", "Test log10(-Inf) == NaN"); 72} 73 74ATF_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 82ATF_TC(log10_inf_pos); 83ATF_TC_HEAD(log10_inf_pos, tc) 84{ 85 atf_tc_set_md_var(tc, "descr", "Test log10(+Inf) == +Inf"); 86} 87 88ATF_TC_BODY(log10_inf_pos, tc) 89{ 90 const double x = 1.0L / 0.0L; 91 92 ATF_CHECK(log10(x) == x); 93} 94 95ATF_TC(log10_one_pos); 96ATF_TC_HEAD(log10_one_pos, tc) 97{ 98 atf_tc_set_md_var(tc, "descr", "Test log10(1.0) == +0.0"); 99} 100 101ATF_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 111ATF_TC(log10_zero_neg); 112ATF_TC_HEAD(log10_zero_neg, tc) 113{ 114 atf_tc_set_md_var(tc, "descr", "Test log10(-0.0) == -HUGE_VAL"); 115} 116 117ATF_TC_BODY(log10_zero_neg, tc) 118{ 119 const double x = -0.0L; 120 121 ATF_CHECK(log10(x) == -HUGE_VAL); 122} 123 124ATF_TC(log10_zero_pos); 125ATF_TC_HEAD(log10_zero_pos, tc) 126{ 127 atf_tc_set_md_var(tc, "descr", "Test log10(+0.0) == -HUGE_VAL"); 128} 129 130ATF_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 */ 140ATF_TC(log10f_base); 141ATF_TC_HEAD(log10f_base, tc) 142{ 143 atf_tc_set_md_var(tc, "descr", "Test log10f(10) == 1"); 144} 145 146ATF_TC_BODY(log10f_base, tc) 147{ 148 ATF_CHECK(log10f(10.0) == 1.0); 149} 150 151ATF_TC(log10f_nan); 152ATF_TC_HEAD(log10f_nan, tc) 153{ 154 atf_tc_set_md_var(tc, "descr", "Test log10f(NaN) == NaN"); 155} 156 157ATF_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 165ATF_TC(log10f_inf_neg); 166ATF_TC_HEAD(log10f_inf_neg, tc) 167{ 168 atf_tc_set_md_var(tc, "descr", "Test log10f(-Inf) == NaN"); 169} 170 171ATF_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 179ATF_TC(log10f_inf_pos); 180ATF_TC_HEAD(log10f_inf_pos, tc) 181{ 182 atf_tc_set_md_var(tc, "descr", "Test log10f(+Inf) == +Inf"); 183} 184 185ATF_TC_BODY(log10f_inf_pos, tc) 186{ 187 const float x = 1.0L / 0.0L; 188 189 ATF_CHECK(log10f(x) == x); 190} 191 192ATF_TC(log10f_one_pos); 193ATF_TC_HEAD(log10f_one_pos, tc) 194{ 195 atf_tc_set_md_var(tc, "descr", "Test log10f(1.0) == +0.0"); 196} 197 198ATF_TC_BODY(log10f_one_pos, tc) 199{ 200 const float x = log10f(1.0); 201 const float y = 0.0L; 202 203 ATF_CHECK(x == y); 204 ATF_CHECK(signbit(x) == 0); 205 ATF_CHECK(signbit(y) == 0); 206} 207 208ATF_TC(log10f_zero_neg); 209ATF_TC_HEAD(log10f_zero_neg, tc) 210{ 211 atf_tc_set_md_var(tc, "descr", "Test log10f(-0.0) == -HUGE_VALF"); 212} 213 214ATF_TC_BODY(log10f_zero_neg, tc) 215{ 216 const float x = -0.0L; 217 218 ATF_CHECK(log10f(x) == -HUGE_VALF); 219} 220 221ATF_TC(log10f_zero_pos); 222ATF_TC_HEAD(log10f_zero_pos, tc) 223{ 224 atf_tc_set_md_var(tc, "descr", "Test log10f(+0.0) == -HUGE_VALF"); 225} 226 227ATF_TC_BODY(log10f_zero_pos, tc) 228{ 229 const float x = 0.0L; 230 231 ATF_CHECK(log10f(x) == -HUGE_VALF); 232} 233 234/* 235 * log1p(3) 236 */ 237ATF_TC(log1p_nan); 238ATF_TC_HEAD(log1p_nan, tc) 239{ 240 atf_tc_set_md_var(tc, "descr", "Test log1p(NaN) == NaN"); 241} 242 243ATF_TC_BODY(log1p_nan, tc) 244{ 245 const double x = 0.0L / 0.0L; 246 247 ATF_CHECK(isnan(x) != 0); 248 ATF_CHECK(isnan(log1p(x)) != 0); 249} 250 251ATF_TC(log1p_inf_neg); 252ATF_TC_HEAD(log1p_inf_neg, tc) 253{ 254 atf_tc_set_md_var(tc, "descr", "Test log1p(-Inf) == NaN"); 255} 256 257ATF_TC_BODY(log1p_inf_neg, tc) 258{ 259 const double x = -1.0L / 0.0L; 260 const double y = log1p(x); 261 262 if (isnan(y) == 0) { 263 atf_tc_expect_fail("PR lib/45362"); 264 atf_tc_fail("log1p(-Inf) != NaN"); 265 } 266} 267 268ATF_TC(log1p_inf_pos); 269ATF_TC_HEAD(log1p_inf_pos, tc) 270{ 271 atf_tc_set_md_var(tc, "descr", "Test log1p(+Inf) == +Inf"); 272} 273 274ATF_TC_BODY(log1p_inf_pos, tc) 275{ 276 const double x = 1.0L / 0.0L; 277 278 ATF_CHECK(log1p(x) == x); 279} 280 281ATF_TC(log1p_one_neg); 282ATF_TC_HEAD(log1p_one_neg, tc) 283{ 284 atf_tc_set_md_var(tc, "descr", "Test log1p(-1.0) == -HUGE_VAL"); 285} 286 287ATF_TC_BODY(log1p_one_neg, tc) 288{ 289 const double x = log1p(-1.0); 290 291 if (x != -HUGE_VAL) { 292 atf_tc_expect_fail("PR lib/45362"); 293 atf_tc_fail("log1p(-1.0) != -HUGE_VAL"); 294 } 295} 296 297ATF_TC(log1p_zero_neg); 298ATF_TC_HEAD(log1p_zero_neg, tc) 299{ 300 atf_tc_set_md_var(tc, "descr", "Test log1p(-0.0) == -0.0"); 301} 302 303ATF_TC_BODY(log1p_zero_neg, tc) 304{ 305 const double x = -0.0L; 306 307 ATF_CHECK(log1p(x) == x); 308} 309 310ATF_TC(log1p_zero_pos); 311ATF_TC_HEAD(log1p_zero_pos, tc) 312{ 313 atf_tc_set_md_var(tc, "descr", "Test log1p(+0.0) == +0.0"); 314} 315 316ATF_TC_BODY(log1p_zero_pos, tc) 317{ 318 const double x = 0.0L; 319 320 ATF_CHECK(log1p(x) == x); 321} 322 323/* 324 * log1pf(3) 325 */ 326ATF_TC(log1pf_nan); 327ATF_TC_HEAD(log1pf_nan, tc) 328{ 329 atf_tc_set_md_var(tc, "descr", "Test log1pf(NaN) == NaN"); 330} 331 332ATF_TC_BODY(log1pf_nan, tc) 333{ 334 const float x = 0.0L / 0.0L; 335 336 ATF_CHECK(isnan(x) != 0); 337 ATF_CHECK(isnan(log1pf(x)) != 0); 338} 339 340ATF_TC(log1pf_inf_neg); 341ATF_TC_HEAD(log1pf_inf_neg, tc) 342{ 343 atf_tc_set_md_var(tc, "descr", "Test log1pf(-Inf) == NaN"); 344} 345 346ATF_TC_BODY(log1pf_inf_neg, tc) 347{ 348 const float x = -1.0L / 0.0L; 349 const float y = log1pf(x); 350 351 if (isnan(y) == 0) { 352 atf_tc_expect_fail("PR lib/45362"); 353 atf_tc_fail("log1pf(-Inf) != NaN"); 354 } 355} 356 357ATF_TC(log1pf_inf_pos); 358ATF_TC_HEAD(log1pf_inf_pos, tc) 359{ 360 atf_tc_set_md_var(tc, "descr", "Test log1pf(+Inf) == +Inf"); 361} 362 363ATF_TC_BODY(log1pf_inf_pos, tc) 364{ 365 const float x = 1.0L / 0.0L; 366 367 ATF_CHECK(log1pf(x) == x); 368} 369 370ATF_TC(log1pf_one_neg); 371ATF_TC_HEAD(log1pf_one_neg, tc) 372{ 373 atf_tc_set_md_var(tc, "descr", "Test log1pf(-1.0) == -HUGE_VALF"); 374} 375 376ATF_TC_BODY(log1pf_one_neg, tc) 377{ 378 const float x = log1pf(-1.0); 379 380 if (x != -HUGE_VALF) { 381 atf_tc_expect_fail("PR lib/45362"); 382 atf_tc_fail("log1pf(-1.0) != -HUGE_VALF"); 383 } 384} 385 386ATF_TC(log1pf_zero_neg); 387ATF_TC_HEAD(log1pf_zero_neg, tc) 388{ 389 atf_tc_set_md_var(tc, "descr", "Test log1pf(-0.0) == -0.0"); 390} 391 392ATF_TC_BODY(log1pf_zero_neg, tc) 393{ 394 const float x = -0.0L; 395 396 ATF_CHECK(log1pf(x) == x); 397} 398 399ATF_TC(log1pf_zero_pos); 400ATF_TC_HEAD(log1pf_zero_pos, tc) 401{ 402 atf_tc_set_md_var(tc, "descr", "Test log1pf(+0.0) == +0.0"); 403} 404 405ATF_TC_BODY(log1pf_zero_pos, tc) 406{ 407 const float x = 0.0L; 408 409 ATF_CHECK(log1pf(x) == x); 410} 411 412/* 413 * log2(3) 414 */ 415ATF_TC(log2_base); 416ATF_TC_HEAD(log2_base, tc) 417{ 418 atf_tc_set_md_var(tc, "descr", "Test log2(2) == 1"); 419} 420 421ATF_TC_BODY(log2_base, tc) 422{ 423 ATF_CHECK(log2(2.0) == 1.0); 424} 425 426ATF_TC(log2_nan); 427ATF_TC_HEAD(log2_nan, tc) 428{ 429 atf_tc_set_md_var(tc, "descr", "Test log2(NaN) == NaN"); 430} 431 432ATF_TC_BODY(log2_nan, tc) 433{ 434 const double x = 0.0L / 0.0L; 435 436 ATF_CHECK(isnan(x) != 0); 437 ATF_CHECK(isnan(log2(x)) != 0); 438} 439 440ATF_TC(log2_inf_neg); 441ATF_TC_HEAD(log2_inf_neg, tc) 442{ 443 atf_tc_set_md_var(tc, "descr", "Test log2(-Inf) == NaN"); 444} 445 446ATF_TC_BODY(log2_inf_neg, tc) 447{ 448 const double x = -1.0L / 0.0L; 449 const double y = log2(x); 450 451 ATF_CHECK(isnan(y) != 0); 452} 453 454ATF_TC(log2_inf_pos); 455ATF_TC_HEAD(log2_inf_pos, tc) 456{ 457 atf_tc_set_md_var(tc, "descr", "Test log2(+Inf) == +Inf"); 458} 459 460ATF_TC_BODY(log2_inf_pos, tc) 461{ 462 const double x = 1.0L / 0.0L; 463 464 ATF_CHECK(log2(x) == x); 465} 466 467ATF_TC(log2_one_pos); 468ATF_TC_HEAD(log2_one_pos, tc) 469{ 470 atf_tc_set_md_var(tc, "descr", "Test log2(1.0) == +0.0"); 471} 472 473ATF_TC_BODY(log2_one_pos, tc) 474{ 475 const double x = log2(1.0); 476 const double y = 0.0L; 477 478 ATF_CHECK(x == y); 479 ATF_CHECK(signbit(x) == 0); 480 ATF_CHECK(signbit(y) == 0); 481} 482 483ATF_TC(log2_zero_neg); 484ATF_TC_HEAD(log2_zero_neg, tc) 485{ 486 atf_tc_set_md_var(tc, "descr", "Test log2(-0.0) == -HUGE_VAL"); 487} 488 489ATF_TC_BODY(log2_zero_neg, tc) 490{ 491 const double x = -0.0L; 492 493 ATF_CHECK(log2(x) == -HUGE_VAL); 494} 495 496ATF_TC(log2_zero_pos); 497ATF_TC_HEAD(log2_zero_pos, tc) 498{ 499 atf_tc_set_md_var(tc, "descr", "Test log2(+0.0) == -HUGE_VAL"); 500} 501 502ATF_TC_BODY(log2_zero_pos, tc) 503{ 504 const double x = 0.0L; 505 506 ATF_CHECK(log2(x) == -HUGE_VAL); 507} 508 509/* 510 * log2f(3) 511 */ 512ATF_TC(log2f_base); 513ATF_TC_HEAD(log2f_base, tc) 514{ 515 atf_tc_set_md_var(tc, "descr", "Test log2f(2) == 1"); 516} 517 518ATF_TC_BODY(log2f_base, tc) 519{ 520 ATF_CHECK(log2f(2.0) == 1.0); 521} 522 523ATF_TC(log2f_nan); 524ATF_TC_HEAD(log2f_nan, tc) 525{ 526 atf_tc_set_md_var(tc, "descr", "Test log2f(NaN) == NaN"); 527} 528 529ATF_TC_BODY(log2f_nan, tc) 530{ 531 const float x = 0.0L / 0.0L; 532 533 ATF_CHECK(isnan(x) != 0); 534 ATF_CHECK(isnan(log2f(x)) != 0); 535} 536 537ATF_TC(log2f_inf_neg); 538ATF_TC_HEAD(log2f_inf_neg, tc) 539{ 540 atf_tc_set_md_var(tc, "descr", "Test log2f(-Inf) == NaN"); 541} 542 543ATF_TC_BODY(log2f_inf_neg, tc) 544{ 545 const float x = -1.0L / 0.0L; 546 const float y = log2f(x); 547 548 ATF_CHECK(isnan(y) != 0); 549} 550 551ATF_TC(log2f_inf_pos); 552ATF_TC_HEAD(log2f_inf_pos, tc) 553{ 554 atf_tc_set_md_var(tc, "descr", "Test log2f(+Inf) == +Inf"); 555} 556 557ATF_TC_BODY(log2f_inf_pos, tc) 558{ 559 const float x = 1.0L / 0.0L; 560 561 ATF_CHECK(log2f(x) == x); 562} 563 564ATF_TC(log2f_one_pos); 565ATF_TC_HEAD(log2f_one_pos, tc) 566{ 567 atf_tc_set_md_var(tc, "descr", "Test log2f(1.0) == +0.0"); 568} 569 570ATF_TC_BODY(log2f_one_pos, tc) 571{ 572 const float x = log2f(1.0); 573 const float y = 0.0L; 574 575 ATF_CHECK(x == y); 576 ATF_CHECK(signbit(x) == 0); 577 ATF_CHECK(signbit(y) == 0); 578} 579 580ATF_TC(log2f_zero_neg); 581ATF_TC_HEAD(log2f_zero_neg, tc) 582{ 583 atf_tc_set_md_var(tc, "descr", "Test log2f(-0.0) == -HUGE_VALF"); 584} 585 586ATF_TC_BODY(log2f_zero_neg, tc) 587{ 588 const float x = -0.0L; 589 590 ATF_CHECK(log2f(x) == -HUGE_VALF); 591} 592 593ATF_TC(log2f_zero_pos); 594ATF_TC_HEAD(log2f_zero_pos, tc) 595{ 596 atf_tc_set_md_var(tc, "descr", "Test log2f(+0.0) == -HUGE_VALF"); 597} 598 599ATF_TC_BODY(log2f_zero_pos, tc) 600{ 601 const float x = 0.0L; 602 603 ATF_CHECK(log2f(x) == -HUGE_VALF); 604} 605 606/* 607 * log(3) 608 */ 609ATF_TC(log_base); 610ATF_TC_HEAD(log_base, tc) 611{ 612 atf_tc_set_md_var(tc, "descr", "Test log(e) == 1"); 613} 614 615ATF_TC_BODY(log_base, tc) 616{ 617 const double eps = 1.0e-38; 618 619 if (fabs(log(M_E) - 1.0) > eps) 620 atf_tc_fail_nonfatal("log(e) != 1"); 621} 622 623ATF_TC(log_nan); 624ATF_TC_HEAD(log_nan, tc) 625{ 626 atf_tc_set_md_var(tc, "descr", "Test log(NaN) == NaN"); 627} 628 629ATF_TC_BODY(log_nan, tc) 630{ 631 const double x = 0.0L / 0.0L; 632 633 ATF_CHECK(isnan(x) != 0); 634 ATF_CHECK(isnan(log(x)) != 0); 635} 636 637ATF_TC(log_inf_neg); 638ATF_TC_HEAD(log_inf_neg, tc) 639{ 640 atf_tc_set_md_var(tc, "descr", "Test log(-Inf) == NaN"); 641} 642 643ATF_TC_BODY(log_inf_neg, tc) 644{ 645 const double x = -1.0L / 0.0L; 646 const double y = log(x); 647 648 ATF_CHECK(isnan(y) != 0); 649} 650 651ATF_TC(log_inf_pos); 652ATF_TC_HEAD(log_inf_pos, tc) 653{ 654 atf_tc_set_md_var(tc, "descr", "Test log(+Inf) == +Inf"); 655} 656 657ATF_TC_BODY(log_inf_pos, tc) 658{ 659 const double x = 1.0L / 0.0L; 660 661 ATF_CHECK(log(x) == x); 662} 663 664ATF_TC(log_one_pos); 665ATF_TC_HEAD(log_one_pos, tc) 666{ 667 atf_tc_set_md_var(tc, "descr", "Test log(1.0) == +0.0"); 668} 669 670ATF_TC_BODY(log_one_pos, tc) 671{ 672 const double x = log(1.0); 673 const double y = 0.0L; 674 675 ATF_CHECK(x == y); 676 ATF_CHECK(signbit(x) == 0); 677 ATF_CHECK(signbit(y) == 0); 678} 679 680ATF_TC(log_zero_neg); 681ATF_TC_HEAD(log_zero_neg, tc) 682{ 683 atf_tc_set_md_var(tc, "descr", "Test log(-0.0) == -HUGE_VAL"); 684} 685 686ATF_TC_BODY(log_zero_neg, tc) 687{ 688 const double x = -0.0L; 689 690 ATF_CHECK(log(x) == -HUGE_VAL); 691} 692 693ATF_TC(log_zero_pos); 694ATF_TC_HEAD(log_zero_pos, tc) 695{ 696 atf_tc_set_md_var(tc, "descr", "Test log(+0.0) == -HUGE_VAL"); 697} 698 699ATF_TC_BODY(log_zero_pos, tc) 700{ 701 const double x = 0.0L; 702 703 ATF_CHECK(log(x) == -HUGE_VAL); 704} 705 706/* 707 * logf(3) 708 */ 709ATF_TC(logf_base); 710ATF_TC_HEAD(logf_base, tc) 711{ 712 atf_tc_set_md_var(tc, "descr", "Test logf(e) == 1"); 713} 714 715ATF_TC_BODY(logf_base, tc) 716{ 717 const float eps = 1.0e-7; 718 719 if (fabsf(logf(M_E) - 1.0f) > eps) 720 atf_tc_fail_nonfatal("logf(e) != 1"); 721} 722 723ATF_TC(logf_nan); 724ATF_TC_HEAD(logf_nan, tc) 725{ 726 atf_tc_set_md_var(tc, "descr", "Test logf(NaN) == NaN"); 727} 728 729ATF_TC_BODY(logf_nan, tc) 730{ 731 const float x = 0.0L / 0.0L; 732 733 ATF_CHECK(isnan(x) != 0); 734 ATF_CHECK(isnan(logf(x)) != 0); 735} 736 737ATF_TC(logf_inf_neg); 738ATF_TC_HEAD(logf_inf_neg, tc) 739{ 740 atf_tc_set_md_var(tc, "descr", "Test logf(-Inf) == NaN"); 741} 742 743ATF_TC_BODY(logf_inf_neg, tc) 744{ 745 const float x = -1.0L / 0.0L; 746 const float y = logf(x); 747 748 ATF_CHECK(isnan(y) != 0); 749} 750 751ATF_TC(logf_inf_pos); 752ATF_TC_HEAD(logf_inf_pos, tc) 753{ 754 atf_tc_set_md_var(tc, "descr", "Test logf(+Inf) == +Inf"); 755} 756 757ATF_TC_BODY(logf_inf_pos, tc) 758{ 759 const float x = 1.0L / 0.0L; 760 761 ATF_CHECK(logf(x) == x); 762} 763 764ATF_TC(logf_one_pos); 765ATF_TC_HEAD(logf_one_pos, tc) 766{ 767 atf_tc_set_md_var(tc, "descr", "Test logf(1.0) == +0.0"); 768} 769 770ATF_TC_BODY(logf_one_pos, tc) 771{ 772 const float x = logf(1.0); 773 const float y = 0.0L; 774 775 ATF_CHECK(x == y); 776 ATF_CHECK(signbit(x) == 0); 777 ATF_CHECK(signbit(y) == 0); 778} 779 780ATF_TC(logf_zero_neg); 781ATF_TC_HEAD(logf_zero_neg, tc) 782{ 783 atf_tc_set_md_var(tc, "descr", "Test logf(-0.0) == -HUGE_VALF"); 784} 785 786ATF_TC_BODY(logf_zero_neg, tc) 787{ 788 const float x = -0.0L; 789 790 ATF_CHECK(logf(x) == -HUGE_VALF); 791} 792 793ATF_TC(logf_zero_pos); 794ATF_TC_HEAD(logf_zero_pos, tc) 795{ 796 atf_tc_set_md_var(tc, "descr", "Test logf(+0.0) == -HUGE_VALF"); 797} 798 799ATF_TC_BODY(logf_zero_pos, tc) 800{ 801 const float x = 0.0L; 802 803 ATF_CHECK(logf(x) == -HUGE_VALF); 804} 805 806ATF_TP_ADD_TCS(tp) 807{ 808 809 ATF_TP_ADD_TC(tp, log10_base); 810 ATF_TP_ADD_TC(tp, log10_nan); 811 ATF_TP_ADD_TC(tp, log10_inf_neg); 812 ATF_TP_ADD_TC(tp, log10_inf_pos); 813 ATF_TP_ADD_TC(tp, log10_one_pos); 814 ATF_TP_ADD_TC(tp, log10_zero_neg); 815 ATF_TP_ADD_TC(tp, log10_zero_pos); 816 817 ATF_TP_ADD_TC(tp, log10f_base); 818 ATF_TP_ADD_TC(tp, log10f_nan); 819 ATF_TP_ADD_TC(tp, log10f_inf_neg); 820 ATF_TP_ADD_TC(tp, log10f_inf_pos); 821 ATF_TP_ADD_TC(tp, log10f_one_pos); 822 ATF_TP_ADD_TC(tp, log10f_zero_neg); 823 ATF_TP_ADD_TC(tp, log10f_zero_pos); 824 825 ATF_TP_ADD_TC(tp, log1p_nan); 826 ATF_TP_ADD_TC(tp, log1p_inf_neg); 827 ATF_TP_ADD_TC(tp, log1p_inf_pos); 828 ATF_TP_ADD_TC(tp, log1p_one_neg); 829 ATF_TP_ADD_TC(tp, log1p_zero_neg); 830 ATF_TP_ADD_TC(tp, log1p_zero_pos); 831 832 ATF_TP_ADD_TC(tp, log1pf_nan); 833 ATF_TP_ADD_TC(tp, log1pf_inf_neg); 834 ATF_TP_ADD_TC(tp, log1pf_inf_pos); 835 ATF_TP_ADD_TC(tp, log1pf_one_neg); 836 ATF_TP_ADD_TC(tp, log1pf_zero_neg); 837 ATF_TP_ADD_TC(tp, log1pf_zero_pos); 838 839 ATF_TP_ADD_TC(tp, log2_base); 840 ATF_TP_ADD_TC(tp, log2_nan); 841 ATF_TP_ADD_TC(tp, log2_inf_neg); 842 ATF_TP_ADD_TC(tp, log2_inf_pos); 843 ATF_TP_ADD_TC(tp, log2_one_pos); 844 ATF_TP_ADD_TC(tp, log2_zero_neg); 845 ATF_TP_ADD_TC(tp, log2_zero_pos); 846 847 ATF_TP_ADD_TC(tp, log2f_base); 848 ATF_TP_ADD_TC(tp, log2f_nan); 849 ATF_TP_ADD_TC(tp, log2f_inf_neg); 850 ATF_TP_ADD_TC(tp, log2f_inf_pos); 851 ATF_TP_ADD_TC(tp, log2f_one_pos); 852 ATF_TP_ADD_TC(tp, log2f_zero_neg); 853 ATF_TP_ADD_TC(tp, log2f_zero_pos); 854 855 ATF_TP_ADD_TC(tp, log_base); 856 ATF_TP_ADD_TC(tp, log_nan); 857 ATF_TP_ADD_TC(tp, log_inf_neg); 858 ATF_TP_ADD_TC(tp, log_inf_pos); 859 ATF_TP_ADD_TC(tp, log_one_pos); 860 ATF_TP_ADD_TC(tp, log_zero_neg); 861 ATF_TP_ADD_TC(tp, log_zero_pos); 862 863 ATF_TP_ADD_TC(tp, logf_base); 864 ATF_TP_ADD_TC(tp, logf_nan); 865 ATF_TP_ADD_TC(tp, logf_inf_neg); 866 ATF_TP_ADD_TC(tp, logf_inf_pos); 867 ATF_TP_ADD_TC(tp, logf_one_pos); 868 ATF_TP_ADD_TC(tp, logf_zero_neg); 869 ATF_TP_ADD_TC(tp, logf_zero_pos); 870 871 return atf_no_error(); 872} 873