Elliott Hughes | a0ee078 | 2013-01-30 19:06:37 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #define _DECLARE_C99_LDBL_MATH 1 |
| 18 | |
| 19 | #include <gtest/gtest.h> |
| 20 | |
| 21 | #include <fenv.h> |
| 22 | #include <limits.h> |
| 23 | #include <math.h> |
| 24 | #include <stdint.h> |
| 25 | |
| 26 | float float_subnormal() { |
| 27 | union { |
| 28 | float f; |
| 29 | uint32_t i; |
| 30 | } u; |
| 31 | u.i = 0x007fffff; |
| 32 | return u.f; |
| 33 | } |
| 34 | |
| 35 | double double_subnormal() { |
| 36 | union { |
| 37 | double d; |
| 38 | uint64_t i; |
| 39 | } u; |
| 40 | u.i = 0x000fffffffffffffL; |
| 41 | return u.d; |
| 42 | } |
| 43 | |
| 44 | TEST(math, fpclassify) { |
| 45 | ASSERT_EQ(FP_INFINITE, fpclassify(INFINITY)); |
| 46 | ASSERT_EQ(FP_INFINITE, fpclassify(HUGE_VALF)); |
| 47 | ASSERT_EQ(FP_INFINITE, fpclassify(HUGE_VAL)); |
| 48 | |
| 49 | ASSERT_EQ(FP_NAN, fpclassify(nanf(""))); |
| 50 | ASSERT_EQ(FP_NAN, fpclassify(nan(""))); |
| 51 | |
| 52 | ASSERT_EQ(FP_NORMAL, fpclassify(1.0f)); |
| 53 | ASSERT_EQ(FP_NORMAL, fpclassify(1.0)); |
| 54 | |
| 55 | ASSERT_EQ(FP_SUBNORMAL, fpclassify(float_subnormal())); |
| 56 | ASSERT_EQ(FP_SUBNORMAL, fpclassify(double_subnormal())); |
| 57 | |
| 58 | ASSERT_EQ(FP_ZERO, fpclassify(0.0f)); |
| 59 | ASSERT_EQ(FP_ZERO, fpclassify(0.0)); |
| 60 | } |
| 61 | |
| 62 | /* TODO: stlport breaks the isfinite macro |
| 63 | TEST(math, isfinite) { |
| 64 | ASSERT_TRUE(isfinite(123.0f)); |
| 65 | ASSERT_TRUE(isfinite(123.0)); |
| 66 | ASSERT_FALSE(isfinite(HUGE_VALF)); |
| 67 | ASSERT_FALSE(isfinite(HUGE_VAL)); |
| 68 | } |
| 69 | */ |
| 70 | |
| 71 | TEST(math, isinf) { |
| 72 | ASSERT_FALSE(isinf(123.0f)); |
| 73 | ASSERT_FALSE(isinf(123.0)); |
| 74 | ASSERT_TRUE(isinf(HUGE_VALF)); |
| 75 | ASSERT_TRUE(isinf(HUGE_VAL)); |
| 76 | } |
| 77 | |
| 78 | TEST(math, isnan) { |
| 79 | ASSERT_FALSE(isnan(123.0f)); |
| 80 | ASSERT_FALSE(isnan(123.0)); |
| 81 | ASSERT_TRUE(isnan(nanf(""))); |
| 82 | ASSERT_TRUE(isnan(nan(""))); |
| 83 | } |
| 84 | |
| 85 | TEST(math, isnormal) { |
| 86 | ASSERT_TRUE(isnormal(123.0f)); |
| 87 | ASSERT_TRUE(isnormal(123.0)); |
| 88 | ASSERT_FALSE(isnormal(float_subnormal())); |
| 89 | ASSERT_FALSE(isnormal(double_subnormal())); |
| 90 | } |
| 91 | |
| 92 | // TODO: isgreater, isgreaterequals, isless, islessequal, islessgreater, isunordered |
| 93 | |
| 94 | /* TODO: stlport breaks the signbit macro |
| 95 | TEST(math, signbit) { |
| 96 | ASSERT_EQ(0, signbit(0.0f)); |
| 97 | ASSERT_EQ(0, signbit(0.0)); |
| 98 | |
| 99 | ASSERT_EQ(0, signbit(1.0f)); |
| 100 | ASSERT_EQ(0, signbit(1.0)); |
| 101 | |
| 102 | ASSERT_NE(0, signbit(-1.0f)); |
| 103 | ASSERT_NE(0, signbit(-1.0)); |
| 104 | } |
| 105 | */ |
| 106 | |
| 107 | #if defined(__BIONIC__) |
| 108 | TEST(math, __fpclassifyd) { |
| 109 | ASSERT_EQ(FP_INFINITE, __fpclassifyd(HUGE_VAL)); |
| 110 | ASSERT_EQ(FP_NAN, __fpclassifyd(nan(""))); |
| 111 | ASSERT_EQ(FP_NORMAL, __fpclassifyd(1.0)); |
| 112 | ASSERT_EQ(FP_SUBNORMAL, __fpclassifyd(double_subnormal())); |
| 113 | ASSERT_EQ(FP_ZERO, __fpclassifyd(0.0)); |
| 114 | } |
| 115 | #endif |
| 116 | |
| 117 | #if defined(__BIONIC__) |
| 118 | TEST(math, __fpclassifyf) { |
| 119 | ASSERT_EQ(FP_INFINITE, __fpclassifyf(HUGE_VALF)); |
| 120 | ASSERT_EQ(FP_NAN, __fpclassifyf(nanf(""))); |
| 121 | ASSERT_EQ(FP_NORMAL, __fpclassifyf(1.0f)); |
| 122 | ASSERT_EQ(FP_SUBNORMAL, __fpclassifyf(float_subnormal())); |
| 123 | ASSERT_EQ(FP_ZERO, __fpclassifyf(0.0f)); |
| 124 | } |
| 125 | #endif |
| 126 | |
| 127 | #if defined(__BIONIC__) |
| 128 | TEST(math, __fpclassifyl) { |
| 129 | EXPECT_EQ(FP_INFINITE, __fpclassifyl(HUGE_VALL)); |
| 130 | EXPECT_EQ(FP_NAN, __fpclassifyl(nanl(""))); |
| 131 | EXPECT_EQ(FP_NORMAL, __fpclassifyl(1.0)); |
| 132 | EXPECT_EQ(FP_SUBNORMAL, __fpclassifyl(double_subnormal())); |
| 133 | EXPECT_EQ(FP_ZERO, __fpclassifyl(0.0)); |
| 134 | } |
| 135 | #endif |
| 136 | |
| 137 | TEST(math, finitef) { |
| 138 | ASSERT_TRUE(finitef(123.0f)); |
| 139 | ASSERT_FALSE(finitef(HUGE_VALF)); |
| 140 | } |
| 141 | |
| 142 | #if defined(__BIONIC__) |
| 143 | TEST(math, __isfinite) { |
| 144 | ASSERT_TRUE(__isfinite(123.0)); |
| 145 | ASSERT_FALSE(__isfinite(HUGE_VAL)); |
| 146 | } |
| 147 | #endif |
| 148 | |
| 149 | #if defined(__BIONIC__) |
| 150 | TEST(math, __isfinitef) { |
| 151 | ASSERT_TRUE(__isfinitef(123.0f)); |
| 152 | ASSERT_FALSE(__isfinitef(HUGE_VALF)); |
| 153 | } |
| 154 | #endif |
| 155 | |
| 156 | #if defined(__BIONIC__) |
| 157 | TEST(math, __isfinitel) { |
| 158 | ASSERT_TRUE(__isfinitel(123.0f)); |
| 159 | ASSERT_FALSE(__isfinitel(HUGE_VALL)); |
| 160 | } |
| 161 | #endif |
| 162 | |
| 163 | TEST(math, finite) { |
| 164 | ASSERT_TRUE(finite(123.0)); |
| 165 | ASSERT_FALSE(finite(HUGE_VAL)); |
| 166 | } |
| 167 | |
| 168 | TEST(math, __isinff) { |
| 169 | ASSERT_FALSE(__isinff(123.0f)); |
| 170 | ASSERT_TRUE(__isinff(HUGE_VALF)); |
| 171 | } |
| 172 | |
| 173 | TEST(math, __isinfl) { |
| 174 | ASSERT_FALSE(__isinfl(123.0)); |
| 175 | ASSERT_TRUE(__isinfl(HUGE_VALL)); |
| 176 | } |
| 177 | |
| 178 | TEST(math, __isnanf) { |
| 179 | ASSERT_FALSE(__isnanf(123.0f)); |
| 180 | ASSERT_TRUE(__isnanf(nanf(""))); |
| 181 | } |
| 182 | |
| 183 | TEST(math, __isnanl) { |
| 184 | ASSERT_FALSE(__isnanl(123.0)); |
| 185 | ASSERT_TRUE(__isnanl(nanl(""))); |
| 186 | } |
| 187 | |
| 188 | TEST(math, isnanf) { |
| 189 | ASSERT_FALSE(isnanf(123.0f)); |
| 190 | ASSERT_TRUE(isnanf(nanf(""))); |
| 191 | } |
| 192 | |
| 193 | #if defined(__BIONIC__) |
| 194 | TEST(math, __isnormal) { |
| 195 | ASSERT_TRUE(__isnormal(123.0)); |
| 196 | ASSERT_FALSE(__isnormal(double_subnormal())); |
| 197 | } |
| 198 | #endif |
| 199 | |
| 200 | #if defined(__BIONIC__) |
| 201 | TEST(math, __isnormalf) { |
| 202 | ASSERT_TRUE(__isnormalf(123.0f)); |
| 203 | ASSERT_FALSE(__isnormalf(float_subnormal())); |
| 204 | } |
| 205 | #endif |
| 206 | |
| 207 | #if defined(__BIONIC__) |
| 208 | TEST(math, __isnormall) { |
| 209 | ASSERT_TRUE(__isnormall(123.0)); |
| 210 | ASSERT_FALSE(__isnormall(double_subnormal())); |
| 211 | } |
| 212 | #endif |
| 213 | |
| 214 | TEST(math, __signbit) { |
| 215 | ASSERT_EQ(0, __signbit(0.0)); |
| 216 | ASSERT_EQ(0, __signbit(1.0)); |
| 217 | ASSERT_NE(0, __signbit(-1.0)); |
| 218 | } |
| 219 | |
| 220 | TEST(math, __signbitf) { |
| 221 | ASSERT_EQ(0, __signbitf(0.0f)); |
| 222 | ASSERT_EQ(0, __signbitf(1.0f)); |
| 223 | ASSERT_NE(0, __signbitf(-1.0f)); |
| 224 | } |
| 225 | |
| 226 | TEST(math, __signbitl) { |
| 227 | ASSERT_EQ(0, __signbitl(0.0)); |
| 228 | ASSERT_EQ(0, __signbitl(1.0)); |
| 229 | ASSERT_NE(0, __signbitl(-1.0)); |
| 230 | } |
| 231 | |
| 232 | TEST(math, acos) { |
| 233 | ASSERT_FLOAT_EQ(M_PI/2.0, acos(0.0)); |
| 234 | } |
| 235 | |
| 236 | TEST(math, acosf) { |
| 237 | ASSERT_FLOAT_EQ(static_cast<float>(M_PI)/2.0f, acosf(0.0f)); |
| 238 | } |
| 239 | |
| 240 | TEST(math, acosl) { |
| 241 | ASSERT_FLOAT_EQ(M_PI/2.0, acosl(0.0)); |
| 242 | } |
| 243 | |
| 244 | TEST(math, asin) { |
| 245 | ASSERT_FLOAT_EQ(0.0, asin(0.0)); |
| 246 | } |
| 247 | |
| 248 | TEST(math, asinf) { |
| 249 | ASSERT_FLOAT_EQ(0.0f, asinf(0.0f)); |
| 250 | } |
| 251 | |
| 252 | TEST(math, asinl) { |
| 253 | ASSERT_FLOAT_EQ(0.0, asinl(0.0)); |
| 254 | } |
| 255 | |
| 256 | TEST(math, atan) { |
| 257 | ASSERT_FLOAT_EQ(0.0, atan(0.0)); |
| 258 | } |
| 259 | |
| 260 | TEST(math, atanf) { |
| 261 | ASSERT_FLOAT_EQ(0.0f, atanf(0.0f)); |
| 262 | } |
| 263 | |
| 264 | TEST(math, atanl) { |
| 265 | ASSERT_FLOAT_EQ(0.0, atanl(0.0)); |
| 266 | } |
| 267 | |
| 268 | TEST(math, atan2) { |
| 269 | ASSERT_FLOAT_EQ(0.0, atan2(0.0, 0.0)); |
| 270 | } |
| 271 | |
| 272 | TEST(math, atan2f) { |
| 273 | ASSERT_FLOAT_EQ(0.0f, atan2f(0.0f, 0.0f)); |
| 274 | } |
| 275 | |
| 276 | TEST(math, atan2l) { |
| 277 | ASSERT_FLOAT_EQ(0.0, atan2l(0.0, 0.0)); |
| 278 | } |
| 279 | |
| 280 | TEST(math, cos) { |
| 281 | ASSERT_FLOAT_EQ(1.0, cos(0.0)); |
| 282 | } |
| 283 | |
| 284 | TEST(math, cosf) { |
| 285 | ASSERT_FLOAT_EQ(1.0f, cosf(0.0f)); |
| 286 | } |
| 287 | |
| 288 | TEST(math, cosl) { |
| 289 | ASSERT_FLOAT_EQ(1.0, cosl(0.0)); |
| 290 | } |
| 291 | |
| 292 | TEST(math, sin) { |
| 293 | ASSERT_FLOAT_EQ(0.0, sin(0.0)); |
| 294 | } |
| 295 | |
| 296 | TEST(math, sinf) { |
| 297 | ASSERT_FLOAT_EQ(0.0f, sinf(0.0f)); |
| 298 | } |
| 299 | |
| 300 | TEST(math, sinl) { |
| 301 | ASSERT_FLOAT_EQ(0.0, sinl(0.0)); |
| 302 | } |
| 303 | |
| 304 | TEST(math, tan) { |
| 305 | ASSERT_FLOAT_EQ(0.0, tan(0.0)); |
| 306 | } |
| 307 | |
| 308 | TEST(math, tanf) { |
| 309 | ASSERT_FLOAT_EQ(0.0f, tanf(0.0f)); |
| 310 | } |
| 311 | |
| 312 | TEST(math, tanl) { |
| 313 | ASSERT_FLOAT_EQ(0.0, tanl(0.0)); |
| 314 | } |
| 315 | |
| 316 | TEST(math, acosh) { |
| 317 | ASSERT_FLOAT_EQ(0.0, acosh(1.0)); |
| 318 | } |
| 319 | |
| 320 | TEST(math, acoshf) { |
| 321 | ASSERT_FLOAT_EQ(0.0f, acoshf(1.0f)); |
| 322 | } |
| 323 | |
| 324 | TEST(math, acoshl) { |
| 325 | ASSERT_FLOAT_EQ(0.0, acoshl(1.0)); |
| 326 | } |
| 327 | |
| 328 | TEST(math, asinh) { |
| 329 | ASSERT_FLOAT_EQ(0.0, asinh(0.0)); |
| 330 | } |
| 331 | |
| 332 | TEST(math, asinhf) { |
| 333 | ASSERT_FLOAT_EQ(0.0f, asinhf(0.0f)); |
| 334 | } |
| 335 | |
| 336 | TEST(math, asinhl) { |
| 337 | ASSERT_FLOAT_EQ(0.0, asinhl(0.0)); |
| 338 | } |
| 339 | |
| 340 | TEST(math, atanh) { |
| 341 | ASSERT_FLOAT_EQ(0.0, atanh(0.0)); |
| 342 | } |
| 343 | |
| 344 | TEST(math, atanhf) { |
| 345 | ASSERT_FLOAT_EQ(0.0f, atanhf(0.0f)); |
| 346 | } |
| 347 | |
| 348 | TEST(math, atanhl) { |
| 349 | ASSERT_FLOAT_EQ(0.0, atanhl(0.0)); |
| 350 | } |
| 351 | |
| 352 | TEST(math, cosh) { |
| 353 | ASSERT_FLOAT_EQ(1.0, cosh(0.0)); |
| 354 | } |
| 355 | |
| 356 | TEST(math, coshf) { |
| 357 | ASSERT_FLOAT_EQ(1.0f, coshf(0.0f)); |
| 358 | } |
| 359 | |
| 360 | TEST(math, coshl) { |
| 361 | ASSERT_FLOAT_EQ(1.0, coshl(0.0)); |
| 362 | } |
| 363 | |
| 364 | TEST(math, sinh) { |
| 365 | ASSERT_FLOAT_EQ(0.0, sinh(0.0)); |
| 366 | } |
| 367 | |
| 368 | TEST(math, sinhf) { |
| 369 | ASSERT_FLOAT_EQ(0.0f, sinhf(0.0f)); |
| 370 | } |
| 371 | |
| 372 | TEST(math, sinhl) { |
| 373 | ASSERT_FLOAT_EQ(0.0, sinhl(0.0)); |
| 374 | } |
| 375 | |
| 376 | TEST(math, tanh) { |
| 377 | ASSERT_FLOAT_EQ(0.0, tanh(0.0)); |
| 378 | } |
| 379 | |
| 380 | TEST(math, tanhf) { |
| 381 | ASSERT_FLOAT_EQ(0.0f, tanhf(0.0f)); |
| 382 | } |
| 383 | |
| 384 | TEST(math, tanhl) { |
| 385 | ASSERT_FLOAT_EQ(0.0, tanhl(0.0)); |
| 386 | } |
| 387 | |
| 388 | TEST(math, log) { |
| 389 | ASSERT_FLOAT_EQ(1.0, log(M_E)); |
| 390 | } |
| 391 | |
| 392 | TEST(math, logf) { |
| 393 | ASSERT_FLOAT_EQ(1.0f, logf(static_cast<float>(M_E))); |
| 394 | } |
| 395 | |
| 396 | TEST(math, logl) { |
| 397 | ASSERT_FLOAT_EQ(1.0, logl(M_E)); |
| 398 | } |
| 399 | |
| 400 | TEST(math, log2) { |
| 401 | ASSERT_FLOAT_EQ(12.0, log2(4096.0)); |
| 402 | } |
| 403 | |
| 404 | TEST(math, log2f) { |
| 405 | ASSERT_FLOAT_EQ(12.0f, log2f(4096.0f)); |
| 406 | } |
| 407 | |
| 408 | TEST(math, log2l) { |
| 409 | ASSERT_FLOAT_EQ(12.0, log2l(4096.0)); |
| 410 | } |
| 411 | |
| 412 | TEST(math, log10) { |
| 413 | ASSERT_FLOAT_EQ(3.0, log10(1000.0)); |
| 414 | } |
| 415 | |
| 416 | TEST(math, log10f) { |
| 417 | ASSERT_FLOAT_EQ(3.0f, log10f(1000.0f)); |
| 418 | } |
| 419 | |
| 420 | TEST(math, log10l) { |
| 421 | ASSERT_FLOAT_EQ(3.0, log10l(1000.0)); |
| 422 | } |
| 423 | |
| 424 | TEST(math, cbrt) { |
| 425 | ASSERT_FLOAT_EQ(3.0, cbrt(27.0)); |
| 426 | } |
| 427 | |
| 428 | TEST(math, cbrtf) { |
| 429 | ASSERT_FLOAT_EQ(3.0f, cbrtf(27.0f)); |
| 430 | } |
| 431 | |
| 432 | TEST(math, cbrtl) { |
| 433 | ASSERT_FLOAT_EQ(3.0, cbrtl(27.0)); |
| 434 | } |
| 435 | |
| 436 | TEST(math, sqrt) { |
| 437 | ASSERT_FLOAT_EQ(2.0, sqrt(4.0)); |
| 438 | } |
| 439 | |
| 440 | TEST(math, sqrtf) { |
| 441 | ASSERT_FLOAT_EQ(2.0f, sqrtf(4.0f)); |
| 442 | } |
| 443 | |
| 444 | TEST(math, sqrtl) { |
| 445 | ASSERT_FLOAT_EQ(2.0, sqrtl(4.0)); |
| 446 | } |
| 447 | |
| 448 | TEST(math, exp) { |
| 449 | ASSERT_FLOAT_EQ(1.0, exp(0.0)); |
| 450 | ASSERT_FLOAT_EQ(M_E, exp(1.0)); |
| 451 | } |
| 452 | |
| 453 | TEST(math, expf) { |
| 454 | ASSERT_FLOAT_EQ(1.0f, expf(0.0f)); |
| 455 | ASSERT_FLOAT_EQ(static_cast<float>(M_E), expf(1.0f)); |
| 456 | } |
| 457 | |
| 458 | TEST(math, expl) { |
| 459 | ASSERT_FLOAT_EQ(1.0, expl(0.0)); |
| 460 | ASSERT_FLOAT_EQ(M_E, expl(1.0)); |
| 461 | } |
| 462 | |
| 463 | TEST(math, exp2) { |
| 464 | ASSERT_FLOAT_EQ(8.0, exp2(3.0)); |
| 465 | } |
| 466 | |
| 467 | TEST(math, exp2f) { |
| 468 | ASSERT_FLOAT_EQ(8.0f, exp2f(3.0f)); |
| 469 | } |
| 470 | |
| 471 | TEST(math, exp2l) { |
| 472 | ASSERT_FLOAT_EQ(8.0, exp2l(3.0)); |
| 473 | } |
| 474 | |
| 475 | TEST(math, expm1) { |
| 476 | ASSERT_FLOAT_EQ(M_E - 1.0, expm1(1.0)); |
| 477 | } |
| 478 | |
| 479 | TEST(math, expm1f) { |
| 480 | ASSERT_FLOAT_EQ(static_cast<float>(M_E) - 1.0f, expm1f(1.0f)); |
| 481 | } |
| 482 | |
| 483 | TEST(math, expm1l) { |
| 484 | ASSERT_FLOAT_EQ(M_E - 1.0, expm1l(1.0)); |
| 485 | } |
| 486 | |
| 487 | TEST(math, pow) { |
| 488 | ASSERT_FLOAT_EQ(8.0, pow(2.0, 3.0)); |
| 489 | } |
| 490 | |
| 491 | TEST(math, powf) { |
| 492 | ASSERT_FLOAT_EQ(8.0f, powf(2.0f, 3.0f)); |
| 493 | } |
| 494 | |
| 495 | TEST(math, powl) { |
| 496 | ASSERT_FLOAT_EQ(8.0, powl(2.0, 3.0)); |
| 497 | } |
| 498 | |
| 499 | TEST(math, ceil) { |
| 500 | ASSERT_FLOAT_EQ(1.0, ceil(0.9)); |
| 501 | } |
| 502 | |
| 503 | TEST(math, ceilf) { |
| 504 | ASSERT_FLOAT_EQ(1.0f, ceilf(0.9f)); |
| 505 | } |
| 506 | |
| 507 | TEST(math, ceill) { |
| 508 | ASSERT_FLOAT_EQ(1.0, ceill(0.9)); |
| 509 | } |
| 510 | |
| 511 | TEST(math, floor) { |
| 512 | ASSERT_FLOAT_EQ(1.0, floor(1.1)); |
| 513 | } |
| 514 | |
| 515 | TEST(math, floorf) { |
| 516 | ASSERT_FLOAT_EQ(1.0f, floorf(1.1f)); |
| 517 | } |
| 518 | |
| 519 | TEST(math, floorl) { |
| 520 | ASSERT_FLOAT_EQ(1.0, floorl(1.1)); |
| 521 | } |
| 522 | |
| 523 | TEST(math, fabs) { |
| 524 | ASSERT_FLOAT_EQ(1.0, fabs(-1.0)); |
| 525 | } |
| 526 | |
| 527 | TEST(math, fabsf) { |
| 528 | ASSERT_FLOAT_EQ(1.0f, fabsf(-1.0f)); |
| 529 | } |
| 530 | |
| 531 | TEST(math, fabsl) { |
| 532 | ASSERT_FLOAT_EQ(1.0, fabsl(-1.0)); |
| 533 | } |
| 534 | |
| 535 | TEST(math, ldexp) { |
| 536 | ASSERT_FLOAT_EQ(16.0, ldexp(2.0, 3.0)); |
| 537 | } |
| 538 | |
| 539 | TEST(math, ldexpf) { |
| 540 | ASSERT_FLOAT_EQ(16.0f, ldexpf(2.0f, 3.0f)); |
| 541 | } |
| 542 | |
| 543 | TEST(math, ldexpl) { |
| 544 | ASSERT_FLOAT_EQ(16.0, ldexpl(2.0, 3.0)); |
| 545 | } |
| 546 | |
| 547 | TEST(math, fmod) { |
| 548 | ASSERT_FLOAT_EQ(2.0, fmod(12.0, 10.0)); |
| 549 | } |
| 550 | |
| 551 | TEST(math, fmodf) { |
| 552 | ASSERT_FLOAT_EQ(2.0f, fmodf(12.0f, 10.0f)); |
| 553 | } |
| 554 | |
| 555 | TEST(math, fmodl) { |
| 556 | ASSERT_FLOAT_EQ(2.0, fmodl(12.0, 10.0)); |
| 557 | } |
| 558 | |
| 559 | TEST(math, remainder) { |
| 560 | ASSERT_FLOAT_EQ(2.0, remainder(12.0, 10.0)); |
| 561 | } |
| 562 | |
| 563 | TEST(math, remainderf) { |
| 564 | ASSERT_FLOAT_EQ(2.0f, remainderf(12.0f, 10.0f)); |
| 565 | } |
| 566 | |
| 567 | TEST(math, remainderl) { |
| 568 | ASSERT_FLOAT_EQ(2.0, remainderl(12.0, 10.0)); |
| 569 | } |
| 570 | |
| 571 | TEST(math, drem) { |
| 572 | ASSERT_FLOAT_EQ(2.0, drem(12.0, 10.0)); |
| 573 | } |
| 574 | |
| 575 | TEST(math, dremf) { |
| 576 | ASSERT_FLOAT_EQ(2.0f, dremf(12.0f, 10.0f)); |
| 577 | } |
| 578 | |
| 579 | TEST(math, fmax) { |
| 580 | ASSERT_FLOAT_EQ(12.0, fmax(12.0, 10.0)); |
| 581 | ASSERT_FLOAT_EQ(12.0, fmax(12.0, nan(""))); |
| 582 | ASSERT_FLOAT_EQ(12.0, fmax(nan(""), 12.0)); |
| 583 | } |
| 584 | |
| 585 | TEST(math, fmaxf) { |
| 586 | ASSERT_FLOAT_EQ(12.0f, fmaxf(12.0f, 10.0f)); |
| 587 | ASSERT_FLOAT_EQ(12.0f, fmaxf(12.0f, nanf(""))); |
| 588 | ASSERT_FLOAT_EQ(12.0f, fmaxf(nanf(""), 12.0f)); |
| 589 | } |
| 590 | |
| 591 | TEST(math, fmaxl) { |
| 592 | ASSERT_FLOAT_EQ(12.0, fmaxl(12.0, 10.0)); |
| 593 | ASSERT_FLOAT_EQ(12.0, fmaxl(12.0, nanl(""))); |
| 594 | ASSERT_FLOAT_EQ(12.0, fmaxl(nanl(""), 12.0)); |
| 595 | } |
| 596 | |
| 597 | TEST(math, fmin) { |
| 598 | ASSERT_FLOAT_EQ(10.0, fmin(12.0, 10.0)); |
| 599 | ASSERT_FLOAT_EQ(12.0, fmin(12.0, nan(""))); |
| 600 | ASSERT_FLOAT_EQ(12.0, fmin(nan(""), 12.0)); |
| 601 | } |
| 602 | |
| 603 | TEST(math, fminf) { |
| 604 | ASSERT_FLOAT_EQ(10.0f, fminf(12.0f, 10.0f)); |
| 605 | ASSERT_FLOAT_EQ(12.0f, fminf(12.0f, nanf(""))); |
| 606 | ASSERT_FLOAT_EQ(12.0f, fminf(nanf(""), 12.0f)); |
| 607 | } |
| 608 | |
| 609 | TEST(math, fminl) { |
| 610 | ASSERT_FLOAT_EQ(10.0, fminl(12.0, 10.0)); |
| 611 | ASSERT_FLOAT_EQ(12.0, fminl(12.0, nan(""))); |
| 612 | ASSERT_FLOAT_EQ(12.0, fminl(nan(""), 12.0)); |
| 613 | } |
| 614 | |
| 615 | TEST(math, fma) { |
| 616 | ASSERT_FLOAT_EQ(10.0, fma(2.0, 3.0, 4.0)); |
| 617 | } |
| 618 | |
| 619 | TEST(math, fmaf) { |
| 620 | ASSERT_FLOAT_EQ(10.0f, fmaf(2.0f, 3.0f, 4.0f)); |
| 621 | } |
| 622 | |
| 623 | TEST(math, fmal) { |
| 624 | ASSERT_FLOAT_EQ(10.0, fmal(2.0, 3.0, 4.0)); |
| 625 | } |
| 626 | |
| 627 | TEST(math, hypot) { |
| 628 | ASSERT_FLOAT_EQ(5.0, hypot(3.0, 4.0)); |
| 629 | } |
| 630 | |
| 631 | TEST(math, hypotf) { |
| 632 | ASSERT_FLOAT_EQ(5.0f, hypotf(3.0f, 4.0f)); |
| 633 | } |
| 634 | |
| 635 | TEST(math, hypotl) { |
| 636 | ASSERT_FLOAT_EQ(5.0, hypotl(3.0, 4.0)); |
| 637 | } |
| 638 | |
| 639 | TEST(math, erf) { |
| 640 | ASSERT_FLOAT_EQ(0.84270078, erf(1.0)); |
| 641 | } |
| 642 | |
| 643 | TEST(math, erff) { |
| 644 | ASSERT_FLOAT_EQ(0.84270078f, erff(1.0f)); |
| 645 | } |
| 646 | |
| 647 | TEST(math, erfl) { |
| 648 | ASSERT_FLOAT_EQ(0.84270078, erfl(1.0)); |
| 649 | } |
| 650 | |
| 651 | TEST(math, erfc) { |
| 652 | ASSERT_FLOAT_EQ(0.15729921, erfc(1.0)); |
| 653 | } |
| 654 | |
| 655 | TEST(math, erfcf) { |
| 656 | ASSERT_FLOAT_EQ(0.15729921f, erfcf(1.0f)); |
| 657 | } |
| 658 | |
| 659 | TEST(math, erfcl) { |
| 660 | ASSERT_FLOAT_EQ(0.15729921, erfcl(1.0)); |
| 661 | } |
| 662 | |
| 663 | TEST(math, lrint) { |
| 664 | fesetround(FE_UPWARD); // lrint/lrintf/lrintl obey the rounding mode. |
| 665 | ASSERT_EQ(1235, lrint(1234.01)); |
| 666 | ASSERT_EQ(1235, lrintf(1234.01f)); |
| 667 | ASSERT_EQ(1235, lrintl(1234.01)); |
| 668 | fesetround(FE_TOWARDZERO); // lrint/lrintf/lrintl obey the rounding mode. |
| 669 | ASSERT_EQ(1234, lrint(1234.01)); |
| 670 | ASSERT_EQ(1234, lrintf(1234.01f)); |
| 671 | ASSERT_EQ(1234, lrintl(1234.01)); |
| 672 | |
| 673 | fesetround(FE_UPWARD); // llrint/llrintf/llrintl obey the rounding mode. |
| 674 | ASSERT_EQ(1235L, llrint(1234.01)); |
| 675 | ASSERT_EQ(1235L, llrintf(1234.01f)); |
| 676 | ASSERT_EQ(1235L, llrintl(1234.01)); |
| 677 | fesetround(FE_TOWARDZERO); // llrint/llrintf/llrintl obey the rounding mode. |
| 678 | ASSERT_EQ(1234L, llrint(1234.01)); |
| 679 | ASSERT_EQ(1234L, llrintf(1234.01f)); |
| 680 | ASSERT_EQ(1234L, llrintl(1234.01)); |
| 681 | } |
| 682 | |
| 683 | TEST(math, rint) { |
| 684 | fesetround(FE_UPWARD); // rint/rintf/rintl obey the rounding mode. |
| 685 | feclearexcept(FE_ALL_EXCEPT); // rint/rintf/rintl do set the FE_INEXACT flag. |
| 686 | ASSERT_EQ(1234.0, rint(1234.0)); |
| 687 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0); |
| 688 | ASSERT_EQ(1235.0, rint(1234.01)); |
| 689 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) != 0); |
| 690 | |
| 691 | feclearexcept(FE_ALL_EXCEPT); // rint/rintf/rintl do set the FE_INEXACT flag. |
| 692 | ASSERT_EQ(1234.0f, rintf(1234.0f)); |
| 693 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0); |
| 694 | ASSERT_EQ(1235.0f, rintf(1234.01f)); |
| 695 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) != 0); |
| 696 | |
| 697 | feclearexcept(FE_ALL_EXCEPT); // rint/rintf/rintl do set the FE_INEXACT flag. |
| 698 | ASSERT_EQ(1234.0, rintl(1234.0)); |
| 699 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0); |
| 700 | ASSERT_EQ(1235.0, rintl(1234.01)); |
| 701 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) != 0); |
| 702 | |
| 703 | fesetround(FE_TOWARDZERO); // rint/rintf obey the rounding mode. |
| 704 | ASSERT_EQ(1234.0, rint(1234.01)); |
| 705 | ASSERT_EQ(1234.0f, rintf(1234.01f)); |
| 706 | ASSERT_EQ(1234.0, rintl(1234.01)); |
| 707 | } |
| 708 | |
| 709 | TEST(math, nearbyint) { |
| 710 | fesetround(FE_UPWARD); // nearbyint/nearbyintf/nearbyintl obey the rounding mode. |
| 711 | feclearexcept(FE_ALL_EXCEPT); // nearbyint/nearbyintf/nearbyintl don't set the FE_INEXACT flag. |
| 712 | ASSERT_EQ(1234.0, nearbyint(1234.0)); |
| 713 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0); |
| 714 | ASSERT_EQ(1235.0, nearbyint(1234.01)); |
| 715 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0); |
| 716 | |
| 717 | feclearexcept(FE_ALL_EXCEPT); |
| 718 | ASSERT_EQ(1234.0f, nearbyintf(1234.0f)); |
| 719 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0); |
| 720 | ASSERT_EQ(1235.0f, nearbyintf(1234.01f)); |
| 721 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0); |
| 722 | |
| 723 | feclearexcept(FE_ALL_EXCEPT); // nearbyint/nearbyintf/nearbyintl don't set the FE_INEXACT flag. |
| 724 | ASSERT_EQ(1234.0, nearbyintl(1234.0)); |
| 725 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0); |
| 726 | ASSERT_EQ(1235.0, nearbyintl(1234.01)); |
| 727 | ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0); |
| 728 | |
| 729 | fesetround(FE_TOWARDZERO); // nearbyint/nearbyintf/nearbyintl obey the rounding mode. |
| 730 | ASSERT_EQ(1234.0, nearbyint(1234.01)); |
| 731 | ASSERT_EQ(1234.0f, nearbyintf(1234.01f)); |
| 732 | ASSERT_EQ(1234.0, nearbyintl(1234.01)); |
| 733 | } |
| 734 | |
| 735 | TEST(math, lround) { |
| 736 | fesetround(FE_UPWARD); // lround ignores the rounding mode. |
| 737 | ASSERT_EQ(1234, lround(1234.01)); |
| 738 | ASSERT_EQ(1234, lroundf(1234.01f)); |
| 739 | ASSERT_EQ(1234, lroundl(1234.01)); |
| 740 | } |
| 741 | |
| 742 | TEST(math, llround) { |
| 743 | fesetround(FE_UPWARD); // llround ignores the rounding mode. |
| 744 | ASSERT_EQ(1234L, llround(1234.01)); |
| 745 | ASSERT_EQ(1234L, llroundf(1234.01f)); |
| 746 | ASSERT_EQ(1234L, llroundl(1234.01)); |
| 747 | } |
| 748 | |
| 749 | TEST(math, ilogb) { |
| 750 | ASSERT_EQ(FP_ILOGB0, ilogb(0.0)); |
| 751 | ASSERT_EQ(FP_ILOGBNAN, ilogb(nan(""))); |
| 752 | ASSERT_EQ(INT_MAX, ilogb(HUGE_VAL)); |
| 753 | ASSERT_EQ(0, ilogb(1.0)); |
| 754 | ASSERT_EQ(3, ilogb(10.0)); |
| 755 | } |
| 756 | |
| 757 | TEST(math, ilogbf) { |
| 758 | ASSERT_EQ(FP_ILOGB0, ilogbf(0.0f)); |
| 759 | ASSERT_EQ(FP_ILOGBNAN, ilogbf(nanf(""))); |
| 760 | ASSERT_EQ(INT_MAX, ilogbf(HUGE_VALF)); |
| 761 | ASSERT_EQ(0, ilogbf(1.0f)); |
| 762 | ASSERT_EQ(3, ilogbf(10.0f)); |
| 763 | } |
| 764 | |
| 765 | TEST(math, ilogbl) { |
| 766 | ASSERT_EQ(FP_ILOGB0, ilogbl(0.0)); |
| 767 | ASSERT_EQ(FP_ILOGBNAN, ilogbl(nanl(""))); |
| 768 | ASSERT_EQ(INT_MAX, ilogbl(HUGE_VALL)); |
| 769 | ASSERT_EQ(0, ilogbl(1.0)); |
| 770 | ASSERT_EQ(3, ilogbl(10.0)); |
| 771 | } |
| 772 | |
| 773 | TEST(math, logb) { |
| 774 | ASSERT_EQ(-HUGE_VAL, logb(0.0)); |
| 775 | ASSERT_TRUE(isnan(logb(nan("")))); |
| 776 | ASSERT_TRUE(isinf(logb(HUGE_VAL))); |
| 777 | ASSERT_EQ(0.0, logb(1.0)); |
| 778 | ASSERT_EQ(3.0, logb(10.0)); |
| 779 | } |
| 780 | |
| 781 | TEST(math, logbf) { |
| 782 | ASSERT_EQ(-HUGE_VALF, logbf(0.0f)); |
| 783 | ASSERT_TRUE(isnanf(logbf(nanf("")))); |
| 784 | ASSERT_TRUE(__isinff(logbf(HUGE_VALF))); |
| 785 | ASSERT_EQ(0.0f, logbf(1.0f)); |
| 786 | ASSERT_EQ(3.0f, logbf(10.0f)); |
| 787 | } |
| 788 | |
| 789 | TEST(math, logbl) { |
| 790 | ASSERT_EQ(-HUGE_VAL, logbl(0.0)); |
| 791 | ASSERT_TRUE(isnan(logbl(nanl("")))); |
| 792 | ASSERT_TRUE(isinf(logbl(HUGE_VALL))); |
| 793 | ASSERT_EQ(0.0, logbl(1.0)); |
| 794 | ASSERT_EQ(3.0, logbl(10.0)); |
| 795 | } |
| 796 | |
| 797 | TEST(math, log1p) { |
| 798 | ASSERT_EQ(-HUGE_VAL, log1p(-1.0)); |
| 799 | ASSERT_TRUE(isnan(log1p(nan("")))); |
| 800 | ASSERT_TRUE(isinf(log1p(HUGE_VAL))); |
| 801 | ASSERT_FLOAT_EQ(1.0, log1p(M_E - 1.0)); |
| 802 | } |
| 803 | |
| 804 | TEST(math, log1pf) { |
| 805 | ASSERT_EQ(-HUGE_VALF, log1pf(-1.0f)); |
| 806 | ASSERT_TRUE(isnanf(log1pf(nanf("")))); |
| 807 | ASSERT_TRUE(__isinff(log1pf(HUGE_VALF))); |
| 808 | ASSERT_FLOAT_EQ(1.0f, log1pf(static_cast<float>(M_E) - 1.0f)); |
| 809 | } |
| 810 | |
| 811 | TEST(math, log1pl) { |
| 812 | ASSERT_EQ(-HUGE_VALL, log1pl(-1.0)); |
| 813 | ASSERT_TRUE(isnan(log1pl(nanl("")))); |
| 814 | ASSERT_TRUE(isinf(log1pl(HUGE_VALL))); |
| 815 | ASSERT_FLOAT_EQ(1.0, log1pl(M_E - 1.0)); |
| 816 | } |
| 817 | |
| 818 | TEST(math, fdim) { |
| 819 | ASSERT_FLOAT_EQ(0.0, fdim(1.0, 1.0)); |
| 820 | ASSERT_FLOAT_EQ(1.0, fdim(2.0, 1.0)); |
| 821 | ASSERT_FLOAT_EQ(0.0, fdim(1.0, 2.0)); |
| 822 | } |
| 823 | |
| 824 | TEST(math, fdimf) { |
| 825 | ASSERT_FLOAT_EQ(0.0f, fdimf(1.0f, 1.0f)); |
| 826 | ASSERT_FLOAT_EQ(1.0f, fdimf(2.0f, 1.0f)); |
| 827 | ASSERT_FLOAT_EQ(0.0f, fdimf(1.0f, 2.0f)); |
| 828 | } |
| 829 | |
| 830 | TEST(math, fdiml) { |
| 831 | ASSERT_FLOAT_EQ(0.0, fdiml(1.0, 1.0)); |
| 832 | ASSERT_FLOAT_EQ(1.0, fdiml(2.0, 1.0)); |
| 833 | ASSERT_FLOAT_EQ(0.0, fdiml(1.0, 2.0)); |
| 834 | } |
| 835 | |
| 836 | TEST(math, round) { |
| 837 | fesetround(FE_TOWARDZERO); // round ignores the rounding mode and always rounds away from zero. |
| 838 | ASSERT_FLOAT_EQ(1.0, round(0.5)); |
| 839 | ASSERT_FLOAT_EQ(-1.0, round(-0.5)); |
| 840 | ASSERT_FLOAT_EQ(0.0, round(0.0)); |
| 841 | ASSERT_FLOAT_EQ(-0.0, round(-0.0)); |
| 842 | ASSERT_TRUE(isnan(round(nan("")))); |
| 843 | ASSERT_FLOAT_EQ(HUGE_VAL, round(HUGE_VAL)); |
| 844 | } |
| 845 | |
| 846 | TEST(math, roundf) { |
| 847 | fesetround(FE_TOWARDZERO); // roundf ignores the rounding mode and always rounds away from zero. |
| 848 | ASSERT_FLOAT_EQ(1.0f, roundf(0.5f)); |
| 849 | ASSERT_FLOAT_EQ(-1.0f, roundf(-0.5f)); |
| 850 | ASSERT_FLOAT_EQ(0.0f, roundf(0.0f)); |
| 851 | ASSERT_FLOAT_EQ(-0.0f, roundf(-0.0f)); |
| 852 | ASSERT_TRUE(isnanf(roundf(nanf("")))); |
| 853 | ASSERT_FLOAT_EQ(HUGE_VALF, roundf(HUGE_VALF)); |
| 854 | } |
| 855 | |
| 856 | TEST(math, roundl) { |
| 857 | fesetround(FE_TOWARDZERO); // roundl ignores the rounding mode and always rounds away from zero. |
| 858 | ASSERT_FLOAT_EQ(1.0, roundl(0.5)); |
| 859 | ASSERT_FLOAT_EQ(-1.0, roundl(-0.5)); |
| 860 | ASSERT_FLOAT_EQ(0.0, roundl(0.0)); |
| 861 | ASSERT_FLOAT_EQ(-0.0, roundl(-0.0)); |
| 862 | ASSERT_TRUE(isnan(roundl(nanl("")))); |
| 863 | ASSERT_FLOAT_EQ(HUGE_VALL, roundl(HUGE_VALL)); |
| 864 | } |
| 865 | |
| 866 | TEST(math, trunc) { |
| 867 | fesetround(FE_UPWARD); // trunc ignores the rounding mode and always rounds toward zero. |
| 868 | ASSERT_FLOAT_EQ(1.0, trunc(1.5)); |
| 869 | ASSERT_FLOAT_EQ(-1.0, trunc(-1.5)); |
| 870 | ASSERT_FLOAT_EQ(0.0, trunc(0.0)); |
| 871 | ASSERT_FLOAT_EQ(-0.0, trunc(-0.0)); |
| 872 | ASSERT_TRUE(isnan(trunc(nan("")))); |
| 873 | ASSERT_FLOAT_EQ(HUGE_VAL, trunc(HUGE_VAL)); |
| 874 | } |
| 875 | |
| 876 | TEST(math, truncf) { |
| 877 | fesetround(FE_UPWARD); // truncf ignores the rounding mode and always rounds toward zero. |
| 878 | ASSERT_FLOAT_EQ(1.0f, truncf(1.5f)); |
| 879 | ASSERT_FLOAT_EQ(-1.0f, truncf(-1.5f)); |
| 880 | ASSERT_FLOAT_EQ(0.0f, truncf(0.0f)); |
| 881 | ASSERT_FLOAT_EQ(-0.0f, truncf(-0.0f)); |
| 882 | ASSERT_TRUE(isnan(truncf(nanf("")))); |
| 883 | ASSERT_FLOAT_EQ(HUGE_VALF, truncf(HUGE_VALF)); |
| 884 | } |
| 885 | |
| 886 | TEST(math, truncl) { |
| 887 | fesetround(FE_UPWARD); // truncl ignores the rounding mode and always rounds toward zero. |
| 888 | ASSERT_FLOAT_EQ(1.0, truncl(1.5)); |
| 889 | ASSERT_FLOAT_EQ(-1.0, truncl(-1.5)); |
| 890 | ASSERT_FLOAT_EQ(0.0, truncl(0.0)); |
| 891 | ASSERT_FLOAT_EQ(-0.0, truncl(-0.0)); |
| 892 | ASSERT_TRUE(isnan(truncl(nan("")))); |
| 893 | ASSERT_FLOAT_EQ(HUGE_VALL, truncl(HUGE_VALL)); |
| 894 | } |
| 895 | |
| 896 | TEST(math, nextafter) { |
| 897 | ASSERT_FLOAT_EQ(0.0, nextafter(0.0, 0.0)); |
| 898 | ASSERT_FLOAT_EQ(1.4012985e-45, nextafter(0.0, 1.0)); |
| 899 | ASSERT_FLOAT_EQ(0.0, nextafter(0.0, -1.0)); |
| 900 | } |
| 901 | |
| 902 | TEST(math, nextafterf) { |
| 903 | ASSERT_FLOAT_EQ(0.0f, nextafterf(0.0f, 0.0f)); |
| 904 | ASSERT_FLOAT_EQ(1.4012985e-45f, nextafterf(0.0f, 1.0f)); |
| 905 | ASSERT_FLOAT_EQ(0.0f, nextafterf(0.0f, -1.0f)); |
| 906 | } |
| 907 | |
| 908 | TEST(math, nextafterl) { |
| 909 | ASSERT_FLOAT_EQ(0.0, nextafterl(0.0, 0.0)); |
| 910 | ASSERT_FLOAT_EQ(1.4012985e-45, nextafterl(0.0, 1.0)); |
| 911 | ASSERT_FLOAT_EQ(0.0, nextafterl(0.0, -1.0)); |
| 912 | } |
| 913 | |
| 914 | // TODO: nexttoward |
| 915 | // TODO: nexttowardf |
| 916 | // TODO: nexttowardl |
| 917 | |
| 918 | TEST(math, copysign) { |
| 919 | ASSERT_FLOAT_EQ(0.0, copysign(0.0, 1.0)); |
| 920 | ASSERT_FLOAT_EQ(-0.0, copysign(0.0, -1.0)); |
| 921 | ASSERT_FLOAT_EQ(2.0, copysign(2.0, 1.0)); |
| 922 | ASSERT_FLOAT_EQ(-2.0, copysign(2.0, -1.0)); |
| 923 | } |
| 924 | |
| 925 | TEST(math, copysignf) { |
| 926 | ASSERT_FLOAT_EQ(0.0f, copysignf(0.0f, 1.0f)); |
| 927 | ASSERT_FLOAT_EQ(-0.0f, copysignf(0.0f, -1.0f)); |
| 928 | ASSERT_FLOAT_EQ(2.0f, copysignf(2.0f, 1.0f)); |
| 929 | ASSERT_FLOAT_EQ(-2.0f, copysignf(2.0f, -1.0f)); |
| 930 | } |
| 931 | |
| 932 | TEST(math, copysignl) { |
| 933 | ASSERT_FLOAT_EQ(0.0f, copysignl(0.0, 1.0)); |
| 934 | ASSERT_FLOAT_EQ(-0.0f, copysignl(0.0, -1.0)); |
| 935 | ASSERT_FLOAT_EQ(2.0f, copysignl(2.0, 1.0)); |
| 936 | ASSERT_FLOAT_EQ(-2.0f, copysignl(2.0, -1.0)); |
| 937 | } |
| 938 | |
| 939 | TEST(math, significand) { |
| 940 | ASSERT_FLOAT_EQ(0.0, significand(0.0)); |
| 941 | ASSERT_FLOAT_EQ(1.2, significand(1.2)); |
| 942 | ASSERT_FLOAT_EQ(1.5375, significand(12.3)); |
| 943 | } |
| 944 | |
| 945 | TEST(math, significandf) { |
| 946 | ASSERT_FLOAT_EQ(0.0f, significandf(0.0f)); |
| 947 | ASSERT_FLOAT_EQ(1.2f, significandf(1.2f)); |
| 948 | ASSERT_FLOAT_EQ(1.5375f, significandf(12.3f)); |
| 949 | } |
| 950 | |
| 951 | extern "C" long double significandl(long double); // BSD's <math.h> doesn't declare this. |
| 952 | |
| 953 | TEST(math, significandl) { |
| 954 | ASSERT_FLOAT_EQ(0.0, significandl(0.0)); |
| 955 | ASSERT_FLOAT_EQ(1.2, significandl(1.2)); |
| 956 | ASSERT_FLOAT_EQ(1.5375, significandl(12.3)); |
| 957 | } |
| 958 | |
| 959 | TEST(math, scalb) { |
| 960 | ASSERT_FLOAT_EQ(12.0, scalb(3.0, 2.0)); |
| 961 | } |
| 962 | |
| 963 | TEST(math, scalbf) { |
| 964 | ASSERT_FLOAT_EQ(12.0f, scalbf(3.0f, 2.0f)); |
| 965 | } |
| 966 | |
| 967 | TEST(math, scalbln) { |
| 968 | ASSERT_FLOAT_EQ(12.0, scalbln(3.0, 2L)); |
| 969 | } |
| 970 | |
| 971 | TEST(math, scalblnf) { |
| 972 | ASSERT_FLOAT_EQ(12.0f, scalblnf(3.0f, 2L)); |
| 973 | } |
| 974 | |
| 975 | TEST(math, scalblnl) { |
| 976 | ASSERT_FLOAT_EQ(12.0, scalblnl(3.0, 2L)); |
| 977 | } |
| 978 | |
| 979 | TEST(math, scalbn) { |
| 980 | ASSERT_FLOAT_EQ(12.0, scalbn(3.0, 2)); |
| 981 | } |
| 982 | |
| 983 | TEST(math, scalbnf) { |
| 984 | ASSERT_FLOAT_EQ(12.0f, scalbnf(3.0f, 2)); |
| 985 | } |
| 986 | |
| 987 | TEST(math, scalbnl) { |
| 988 | ASSERT_FLOAT_EQ(12.0, scalbnl(3.0, 2)); |
| 989 | } |
| 990 | |
| 991 | TEST(math, gamma) { |
| 992 | ASSERT_FLOAT_EQ(log(24.0), gamma(5.0)); |
| 993 | } |
| 994 | |
| 995 | TEST(math, gammaf) { |
| 996 | ASSERT_FLOAT_EQ(logf(24.0f), gammaf(5.0f)); |
| 997 | } |
| 998 | |
| 999 | #if defined(__BIONIC__) |
| 1000 | TEST(math, gamma_r) { |
| 1001 | int sign; |
| 1002 | ASSERT_FLOAT_EQ(log(24.0), gamma_r(5.0, &sign)); |
| 1003 | ASSERT_EQ(1, sign); |
| 1004 | } |
| 1005 | #endif |
| 1006 | |
| 1007 | #if defined(__BIONIC__) |
| 1008 | TEST(math, gammaf_r) { |
| 1009 | int sign; |
| 1010 | ASSERT_FLOAT_EQ(logf(24.0f), gammaf_r(5.0f, &sign)); |
| 1011 | ASSERT_EQ(1, sign); |
| 1012 | } |
| 1013 | #endif |
| 1014 | |
| 1015 | TEST(math, lgamma) { |
| 1016 | ASSERT_FLOAT_EQ(log(24.0), lgamma(5.0)); |
| 1017 | } |
| 1018 | |
| 1019 | TEST(math, lgammaf) { |
| 1020 | ASSERT_FLOAT_EQ(logf(24.0f), lgammaf(5.0f)); |
| 1021 | } |
| 1022 | |
| 1023 | TEST(math, lgammal) { |
| 1024 | ASSERT_FLOAT_EQ(logl(24.0), lgammal(5.0)); |
| 1025 | } |
| 1026 | |
| 1027 | TEST(math, lgamma_r) { |
| 1028 | int sign; |
| 1029 | ASSERT_FLOAT_EQ(log(24.0), lgamma_r(5.0, &sign)); |
| 1030 | ASSERT_EQ(1, sign); |
| 1031 | } |
| 1032 | |
| 1033 | TEST(math, lgammaf_r) { |
| 1034 | int sign; |
| 1035 | ASSERT_FLOAT_EQ(logf(24.0f), lgammaf_r(5.0f, &sign)); |
| 1036 | ASSERT_EQ(1, sign); |
| 1037 | } |
| 1038 | |
| 1039 | TEST(math, tgamma) { |
| 1040 | ASSERT_FLOAT_EQ(24.0, tgamma(5.0)); |
| 1041 | } |
| 1042 | |
| 1043 | TEST(math, tgammaf) { |
| 1044 | ASSERT_FLOAT_EQ(24.0f, tgammaf(5.0f)); |
| 1045 | } |
| 1046 | |
| 1047 | TEST(math, tgammal) { |
| 1048 | ASSERT_FLOAT_EQ(24.0, tgammal(5.0)); |
| 1049 | } |
| 1050 | |
| 1051 | TEST(math, j0) { |
| 1052 | ASSERT_FLOAT_EQ(1.0, j0(0.0)); |
| 1053 | ASSERT_FLOAT_EQ(0.76519769, j0(1.0)); |
| 1054 | } |
| 1055 | |
| 1056 | TEST(math, j0f) { |
| 1057 | ASSERT_FLOAT_EQ(1.0f, j0f(0.0f)); |
| 1058 | ASSERT_FLOAT_EQ(0.76519769f, j0f(1.0f)); |
| 1059 | } |
| 1060 | |
| 1061 | TEST(math, j1) { |
| 1062 | ASSERT_FLOAT_EQ(0.0, j1(0.0)); |
| 1063 | ASSERT_FLOAT_EQ(0.44005057, j1(1.0)); |
| 1064 | } |
| 1065 | |
| 1066 | TEST(math, j1f) { |
| 1067 | ASSERT_FLOAT_EQ(0.0f, j1f(0.0f)); |
| 1068 | ASSERT_FLOAT_EQ(0.44005057f, j1f(1.0f)); |
| 1069 | } |
| 1070 | |
| 1071 | TEST(math, jn) { |
| 1072 | ASSERT_FLOAT_EQ(0.0, jn(4, 0.0)); |
| 1073 | ASSERT_FLOAT_EQ(0.0024766389, jn(4, 1.0)); |
| 1074 | } |
| 1075 | |
| 1076 | TEST(math, jnf) { |
| 1077 | ASSERT_FLOAT_EQ(0.0f, jnf(4, 0.0f)); |
| 1078 | ASSERT_FLOAT_EQ(0.0024766389f, jnf(4, 1.0f)); |
| 1079 | } |
| 1080 | |
| 1081 | TEST(math, y0) { |
| 1082 | ASSERT_FLOAT_EQ(-HUGE_VAL, y0(0.0)); |
| 1083 | ASSERT_FLOAT_EQ(0.088256963, y0(1.0)); |
| 1084 | } |
| 1085 | |
| 1086 | TEST(math, y0f) { |
| 1087 | ASSERT_FLOAT_EQ(-HUGE_VALF, y0f(0.0f)); |
| 1088 | ASSERT_FLOAT_EQ(0.088256963f, y0f(1.0f)); |
| 1089 | } |
| 1090 | |
| 1091 | TEST(math, y1) { |
| 1092 | ASSERT_FLOAT_EQ(-HUGE_VAL, y1(0.0)); |
| 1093 | ASSERT_FLOAT_EQ(-0.78121281, y1(1.0)); |
| 1094 | } |
| 1095 | |
| 1096 | TEST(math, y1f) { |
| 1097 | ASSERT_FLOAT_EQ(-HUGE_VALF, y1f(0.0f)); |
| 1098 | ASSERT_FLOAT_EQ(-0.78121281f, y1f(1.0f)); |
| 1099 | } |
| 1100 | |
| 1101 | TEST(math, yn) { |
| 1102 | ASSERT_FLOAT_EQ(-HUGE_VAL, yn(4, 0.0)); |
| 1103 | ASSERT_FLOAT_EQ(-33.278423, yn(4, 1.0)); |
| 1104 | } |
| 1105 | |
| 1106 | TEST(math, ynf) { |
| 1107 | ASSERT_FLOAT_EQ(-HUGE_VALF, ynf(4, 0.0f)); |
| 1108 | ASSERT_FLOAT_EQ(-33.278423f, ynf(4, 1.0f)); |
| 1109 | } |
| 1110 | |
| 1111 | TEST(math, frexp) { |
| 1112 | int exp; |
| 1113 | double dr = frexp(1024.0, &exp); |
| 1114 | ASSERT_FLOAT_EQ(1024.0, scalbn(dr, exp)); |
| 1115 | } |
| 1116 | |
| 1117 | TEST(math, frexpf) { |
| 1118 | int exp; |
| 1119 | float fr = frexpf(1024.0f, &exp); |
| 1120 | ASSERT_FLOAT_EQ(1024.0f, scalbnf(fr, exp)); |
| 1121 | } |
| 1122 | |
| 1123 | TEST(math, frexpl) { |
| 1124 | int exp; |
| 1125 | long double ldr = frexpl(1024.0, &exp); |
| 1126 | ASSERT_FLOAT_EQ(1024.0, scalbnl(ldr, exp)); |
| 1127 | } |
| 1128 | |
| 1129 | TEST(math, modf) { |
| 1130 | double di; |
| 1131 | double df = modf(123.456, &di); |
| 1132 | ASSERT_FLOAT_EQ(123.0, di); |
| 1133 | ASSERT_FLOAT_EQ(0.456, df); |
| 1134 | } |
| 1135 | |
| 1136 | TEST(math, modff) { |
| 1137 | float fi; |
| 1138 | float ff = modff(123.456f, &fi); |
| 1139 | ASSERT_FLOAT_EQ(123.0f, fi); |
| 1140 | ASSERT_FLOAT_EQ(0.45600128f, ff); |
| 1141 | } |
| 1142 | |
| 1143 | TEST(math, modfl) { |
| 1144 | long double ldi; |
| 1145 | long double ldf = modfl(123.456, &ldi); |
| 1146 | ASSERT_FLOAT_EQ(123.0, ldi); |
| 1147 | ASSERT_FLOAT_EQ(0.456, ldf); |
| 1148 | } |
| 1149 | |
| 1150 | TEST(math, remquo) { |
| 1151 | int q; |
| 1152 | double d = remquo(13.0, 4.0, &q); |
| 1153 | ASSERT_EQ(3, q); |
| 1154 | ASSERT_FLOAT_EQ(1.0, d); |
| 1155 | } |
| 1156 | |
| 1157 | TEST(math, remquof) { |
| 1158 | int q; |
| 1159 | float f = remquof(13.0f, 4.0f, &q); |
| 1160 | ASSERT_EQ(3, q); |
| 1161 | ASSERT_FLOAT_EQ(1.0, f); |
| 1162 | } |
| 1163 | |
| 1164 | TEST(math, remquol) { |
| 1165 | int q; |
| 1166 | long double ld = remquol(13.0, 4.0, &q); |
| 1167 | ASSERT_EQ(3, q); |
| 1168 | ASSERT_FLOAT_EQ(1.0, ld); |
| 1169 | } |
| 1170 | |
| 1171 | // https://code.google.com/p/android/issues/detail?id=6697 |
| 1172 | TEST(math, frexpf_public_bug_6697) { |
| 1173 | int exp; |
| 1174 | float fr = frexpf(14.1f, &exp); |
| 1175 | ASSERT_FLOAT_EQ(14.1f, scalbnf(fr, exp)); |
| 1176 | } |