1// -*- C++ -*- 2//===---------------------------- cmath -----------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is dual licensed under the MIT and the University of Illinois Open 7// Source Licenses. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPP_CMATH 12#define _LIBCPP_CMATH 13 14/* 15 cmath synopsis 16 17Macros: 18 19 HUGE_VAL 20 HUGE_VALF // C99 21 HUGE_VALL // C99 22 INFINITY // C99 23 NAN // C99 24 FP_INFINITE // C99 25 FP_NAN // C99 26 FP_NORMAL // C99 27 FP_SUBNORMAL // C99 28 FP_ZERO // C99 29 FP_FAST_FMA // C99 30 FP_FAST_FMAF // C99 31 FP_FAST_FMAL // C99 32 FP_ILOGB0 // C99 33 FP_ILOGBNAN // C99 34 MATH_ERRNO // C99 35 MATH_ERREXCEPT // C99 36 math_errhandling // C99 37 38namespace std 39{ 40 41Types: 42 43 float_t // C99 44 double_t // C99 45 46// C90 47 48floating_point abs(floating_point x); 49 50floating_point acos (arithmetic x); 51float acosf(float x); 52long double acosl(long double x); 53 54floating_point asin (arithmetic x); 55float asinf(float x); 56long double asinl(long double x); 57 58floating_point atan (arithmetic x); 59float atanf(float x); 60long double atanl(long double x); 61 62floating_point atan2 (arithmetic y, arithmetic x); 63float atan2f(float y, float x); 64long double atan2l(long double y, long double x); 65 66floating_point ceil (arithmetic x); 67float ceilf(float x); 68long double ceill(long double x); 69 70floating_point cos (arithmetic x); 71float cosf(float x); 72long double cosl(long double x); 73 74floating_point cosh (arithmetic x); 75float coshf(float x); 76long double coshl(long double x); 77 78floating_point exp (arithmetic x); 79float expf(float x); 80long double expl(long double x); 81 82floating_point fabs (arithmetic x); 83float fabsf(float x); 84long double fabsl(long double x); 85 86floating_point floor (arithmetic x); 87float floorf(float x); 88long double floorl(long double x); 89 90floating_point fmod (arithmetic x, arithmetic y); 91float fmodf(float x, float y); 92long double fmodl(long double x, long double y); 93 94floating_point frexp (arithmetic value, int* exp); 95float frexpf(float value, int* exp); 96long double frexpl(long double value, int* exp); 97 98floating_point ldexp (arithmetic value, int exp); 99float ldexpf(float value, int exp); 100long double ldexpl(long double value, int exp); 101 102floating_point log (arithmetic x); 103float logf(float x); 104long double logl(long double x); 105 106floating_point log10 (arithmetic x); 107float log10f(float x); 108long double log10l(long double x); 109 110floating_point modf (floating_point value, floating_point* iptr); 111float modff(float value, float* iptr); 112long double modfl(long double value, long double* iptr); 113 114floating_point pow (arithmetic x, arithmetic y); 115float powf(float x, float y); 116long double powl(long double x, long double y); 117 118floating_point sin (arithmetic x); 119float sinf(float x); 120long double sinl(long double x); 121 122floating_point sinh (arithmetic x); 123float sinhf(float x); 124long double sinhl(long double x); 125 126floating_point sqrt (arithmetic x); 127float sqrtf(float x); 128long double sqrtl(long double x); 129 130floating_point tan (arithmetic x); 131float tanf(float x); 132long double tanl(long double x); 133 134floating_point tanh (arithmetic x); 135float tanhf(float x); 136long double tanhl(long double x); 137 138// C99 139 140bool signbit(arithmetic x); 141 142int fpclassify(arithmetic x); 143 144bool isfinite(arithmetic x); 145bool isinf(arithmetic x); 146bool isnan(arithmetic x); 147bool isnormal(arithmetic x); 148 149bool isgreater(arithmetic x, arithmetic y); 150bool isgreaterequal(arithmetic x, arithmetic y); 151bool isless(arithmetic x, arithmetic y); 152bool islessequal(arithmetic x, arithmetic y); 153bool islessgreater(arithmetic x, arithmetic y); 154bool isunordered(arithmetic x, arithmetic y); 155 156floating_point acosh (arithmetic x); 157float acoshf(float x); 158long double acoshl(long double x); 159 160floating_point asinh (arithmetic x); 161float asinhf(float x); 162long double asinhl(long double x); 163 164floating_point atanh (arithmetic x); 165float atanhf(float x); 166long double atanhl(long double x); 167 168floating_point cbrt (arithmetic x); 169float cbrtf(float x); 170long double cbrtl(long double x); 171 172floating_point copysign (arithmetic x, arithmetic y); 173float copysignf(float x, float y); 174long double copysignl(long double x, long double y); 175 176floating_point erf (arithmetic x); 177float erff(float x); 178long double erfl(long double x); 179 180floating_point erfc (arithmetic x); 181float erfcf(float x); 182long double erfcl(long double x); 183 184floating_point exp2 (arithmetic x); 185float exp2f(float x); 186long double exp2l(long double x); 187 188floating_point expm1 (arithmetic x); 189float expm1f(float x); 190long double expm1l(long double x); 191 192floating_point fdim (arithmetic x, arithmetic y); 193float fdimf(float x, float y); 194long double fdiml(long double x, long double y); 195 196floating_point fma (arithmetic x, arithmetic y, arithmetic z); 197float fmaf(float x, float y, float z); 198long double fmal(long double x, long double y, long double z); 199 200floating_point fmax (arithmetic x, arithmetic y); 201float fmaxf(float x, float y); 202long double fmaxl(long double x, long double y); 203 204floating_point fmin (arithmetic x, arithmetic y); 205float fminf(float x, float y); 206long double fminl(long double x, long double y); 207 208floating_point hypot (arithmetic x, arithmetic y); 209float hypotf(float x, float y); 210long double hypotl(long double x, long double y); 211 212int ilogb (arithmetic x); 213int ilogbf(float x); 214int ilogbl(long double x); 215 216floating_point lgamma (arithmetic x); 217float lgammaf(float x); 218long double lgammal(long double x); 219 220long long llrint (arithmetic x); 221long long llrintf(float x); 222long long llrintl(long double x); 223 224long long llround (arithmetic x); 225long long llroundf(float x); 226long long llroundl(long double x); 227 228floating_point log1p (arithmetic x); 229float log1pf(float x); 230long double log1pl(long double x); 231 232floating_point log2 (arithmetic x); 233float log2f(float x); 234long double log2l(long double x); 235 236floating_point logb (arithmetic x); 237float logbf(float x); 238long double logbl(long double x); 239 240long lrint (arithmetic x); 241long lrintf(float x); 242long lrintl(long double x); 243 244long lround (arithmetic x); 245long lroundf(float x); 246long lroundl(long double x); 247 248double nan (const char* str); 249float nanf(const char* str); 250long double nanl(const char* str); 251 252floating_point nearbyint (arithmetic x); 253float nearbyintf(float x); 254long double nearbyintl(long double x); 255 256floating_point nextafter (arithmetic x, arithmetic y); 257float nextafterf(float x, float y); 258long double nextafterl(long double x, long double y); 259 260floating_point nexttoward (arithmetic x, long double y); 261float nexttowardf(float x, long double y); 262long double nexttowardl(long double x, long double y); 263 264floating_point remainder (arithmetic x, arithmetic y); 265float remainderf(float x, float y); 266long double remainderl(long double x, long double y); 267 268floating_point remquo (arithmetic x, arithmetic y, int* pquo); 269float remquof(float x, float y, int* pquo); 270long double remquol(long double x, long double y, int* pquo); 271 272floating_point rint (arithmetic x); 273float rintf(float x); 274long double rintl(long double x); 275 276floating_point round (arithmetic x); 277float roundf(float x); 278long double roundl(long double x); 279 280floating_point scalbln (arithmetic x, long ex); 281float scalblnf(float x, long ex); 282long double scalblnl(long double x, long ex); 283 284floating_point scalbn (arithmetic x, int ex); 285float scalbnf(float x, int ex); 286long double scalbnl(long double x, int ex); 287 288floating_point tgamma (arithmetic x); 289float tgammaf(float x); 290long double tgammal(long double x); 291 292floating_point trunc (arithmetic x); 293float truncf(float x); 294long double truncl(long double x); 295 296} // std 297 298*/ 299 300#include <__config> 301#include <math.h> 302#include <type_traits> 303 304#ifdef _LIBCPP_MSVCRT 305#include "support/win32/math_win32.h" 306#endif 307 308#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 309#pragma GCC system_header 310#endif 311 312// signbit 313 314#ifdef signbit 315 316template <class _A1> 317_LIBCPP_ALWAYS_INLINE 318bool 319__libcpp_signbit(_A1 __lcpp_x) _NOEXCEPT 320{ 321 return signbit(__lcpp_x); 322} 323 324#undef signbit 325 326template <class _A1> 327inline _LIBCPP_INLINE_VISIBILITY 328typename std::enable_if<std::is_arithmetic<_A1>::value, bool>::type 329signbit(_A1 __lcpp_x) _NOEXCEPT 330{ 331 return __libcpp_signbit((typename std::__promote<_A1>::type)__lcpp_x); 332} 333 334#endif // signbit 335 336// fpclassify 337 338#ifdef fpclassify 339 340template <class _A1> 341_LIBCPP_ALWAYS_INLINE 342int 343__libcpp_fpclassify(_A1 __lcpp_x) _NOEXCEPT 344{ 345 return fpclassify(__lcpp_x); 346} 347 348#undef fpclassify 349 350template <class _A1> 351inline _LIBCPP_INLINE_VISIBILITY 352typename std::enable_if<std::is_arithmetic<_A1>::value, int>::type 353fpclassify(_A1 __lcpp_x) _NOEXCEPT 354{ 355 return __libcpp_fpclassify((typename std::__promote<_A1>::type)__lcpp_x); 356} 357 358#endif // fpclassify 359 360// isfinite 361 362#ifdef isfinite 363 364template <class _A1> 365_LIBCPP_ALWAYS_INLINE 366bool 367__libcpp_isfinite(_A1 __lcpp_x) _NOEXCEPT 368{ 369 return isfinite(__lcpp_x); 370} 371 372#undef isfinite 373 374template <class _A1> 375inline _LIBCPP_INLINE_VISIBILITY 376typename std::enable_if<std::is_arithmetic<_A1>::value, bool>::type 377isfinite(_A1 __lcpp_x) _NOEXCEPT 378{ 379 return __libcpp_isfinite((typename std::__promote<_A1>::type)__lcpp_x); 380} 381 382#endif // isfinite 383 384// isinf 385 386#ifdef isinf 387 388template <class _A1> 389_LIBCPP_ALWAYS_INLINE 390bool 391__libcpp_isinf(_A1 __lcpp_x) _NOEXCEPT 392{ 393 return isinf(__lcpp_x); 394} 395 396#undef isinf 397 398template <class _A1> 399inline _LIBCPP_INLINE_VISIBILITY 400typename std::enable_if<std::is_arithmetic<_A1>::value, bool>::type 401isinf(_A1 __lcpp_x) _NOEXCEPT 402{ 403 return __libcpp_isinf((typename std::__promote<_A1>::type)__lcpp_x); 404} 405 406#endif // isinf 407 408// isnan 409 410#ifdef isnan 411 412template <class _A1> 413_LIBCPP_ALWAYS_INLINE 414bool 415__libcpp_isnan(_A1 __lcpp_x) _NOEXCEPT 416{ 417 return isnan(__lcpp_x); 418} 419 420#undef isnan 421 422template <class _A1> 423inline _LIBCPP_INLINE_VISIBILITY 424typename std::enable_if<std::is_arithmetic<_A1>::value, bool>::type 425isnan(_A1 __lcpp_x) _NOEXCEPT 426{ 427 return __libcpp_isnan((typename std::__promote<_A1>::type)__lcpp_x); 428} 429 430#endif // isnan 431 432// isnormal 433 434#ifdef isnormal 435 436template <class _A1> 437_LIBCPP_ALWAYS_INLINE 438bool 439__libcpp_isnormal(_A1 __lcpp_x) _NOEXCEPT 440{ 441 return isnormal(__lcpp_x); 442} 443 444#undef isnormal 445 446template <class _A1> 447inline _LIBCPP_INLINE_VISIBILITY 448typename std::enable_if<std::is_arithmetic<_A1>::value, bool>::type 449isnormal(_A1 __lcpp_x) _NOEXCEPT 450{ 451 return __libcpp_isnormal((typename std::__promote<_A1>::type)__lcpp_x); 452} 453 454#endif // isnormal 455 456// isgreater 457 458#ifdef isgreater 459 460template <class _A1, class _A2> 461_LIBCPP_ALWAYS_INLINE 462bool 463__libcpp_isgreater(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 464{ 465 return isgreater(__lcpp_x, __lcpp_y); 466} 467 468#undef isgreater 469 470template <class _A1, class _A2> 471inline _LIBCPP_INLINE_VISIBILITY 472typename std::enable_if 473< 474 std::is_arithmetic<_A1>::value && 475 std::is_arithmetic<_A2>::value, 476 bool 477>::type 478isgreater(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 479{ 480 typedef typename std::__promote<_A1, _A2>::type type; 481 return __libcpp_isgreater((type)__lcpp_x, (type)__lcpp_y); 482} 483 484#endif // isgreater 485 486// isgreaterequal 487 488#ifdef isgreaterequal 489 490template <class _A1, class _A2> 491_LIBCPP_ALWAYS_INLINE 492bool 493__libcpp_isgreaterequal(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 494{ 495 return isgreaterequal(__lcpp_x, __lcpp_y); 496} 497 498#undef isgreaterequal 499 500template <class _A1, class _A2> 501inline _LIBCPP_INLINE_VISIBILITY 502typename std::enable_if 503< 504 std::is_arithmetic<_A1>::value && 505 std::is_arithmetic<_A2>::value, 506 bool 507>::type 508isgreaterequal(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 509{ 510 typedef typename std::__promote<_A1, _A2>::type type; 511 return __libcpp_isgreaterequal((type)__lcpp_x, (type)__lcpp_y); 512} 513 514#endif // isgreaterequal 515 516// isless 517 518#ifdef isless 519 520template <class _A1, class _A2> 521_LIBCPP_ALWAYS_INLINE 522bool 523__libcpp_isless(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 524{ 525 return isless(__lcpp_x, __lcpp_y); 526} 527 528#undef isless 529 530template <class _A1, class _A2> 531inline _LIBCPP_INLINE_VISIBILITY 532typename std::enable_if 533< 534 std::is_arithmetic<_A1>::value && 535 std::is_arithmetic<_A2>::value, 536 bool 537>::type 538isless(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 539{ 540 typedef typename std::__promote<_A1, _A2>::type type; 541 return __libcpp_isless((type)__lcpp_x, (type)__lcpp_y); 542} 543 544#endif // isless 545 546// islessequal 547 548#ifdef islessequal 549 550template <class _A1, class _A2> 551_LIBCPP_ALWAYS_INLINE 552bool 553__libcpp_islessequal(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 554{ 555 return islessequal(__lcpp_x, __lcpp_y); 556} 557 558#undef islessequal 559 560template <class _A1, class _A2> 561inline _LIBCPP_INLINE_VISIBILITY 562typename std::enable_if 563< 564 std::is_arithmetic<_A1>::value && 565 std::is_arithmetic<_A2>::value, 566 bool 567>::type 568islessequal(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 569{ 570 typedef typename std::__promote<_A1, _A2>::type type; 571 return __libcpp_islessequal((type)__lcpp_x, (type)__lcpp_y); 572} 573 574#endif // islessequal 575 576// islessgreater 577 578#ifdef islessgreater 579 580template <class _A1, class _A2> 581_LIBCPP_ALWAYS_INLINE 582bool 583__libcpp_islessgreater(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 584{ 585 return islessgreater(__lcpp_x, __lcpp_y); 586} 587 588#undef islessgreater 589 590template <class _A1, class _A2> 591inline _LIBCPP_INLINE_VISIBILITY 592typename std::enable_if 593< 594 std::is_arithmetic<_A1>::value && 595 std::is_arithmetic<_A2>::value, 596 bool 597>::type 598islessgreater(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 599{ 600 typedef typename std::__promote<_A1, _A2>::type type; 601 return __libcpp_islessgreater((type)__lcpp_x, (type)__lcpp_y); 602} 603 604#endif // islessgreater 605 606// isunordered 607 608#ifdef isunordered 609 610template <class _A1, class _A2> 611_LIBCPP_ALWAYS_INLINE 612bool 613__libcpp_isunordered(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 614{ 615 return isunordered(__lcpp_x, __lcpp_y); 616} 617 618#undef isunordered 619 620template <class _A1, class _A2> 621inline _LIBCPP_INLINE_VISIBILITY 622typename std::enable_if 623< 624 std::is_arithmetic<_A1>::value && 625 std::is_arithmetic<_A2>::value, 626 bool 627>::type 628isunordered(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 629{ 630 typedef typename std::__promote<_A1, _A2>::type type; 631 return __libcpp_isunordered((type)__lcpp_x, (type)__lcpp_y); 632} 633 634#endif // isunordered 635 636_LIBCPP_BEGIN_NAMESPACE_STD 637 638using ::signbit; 639using ::fpclassify; 640using ::isfinite; 641using ::isinf; 642using ::isnan; 643using ::isnormal; 644using ::isgreater; 645using ::isgreaterequal; 646using ::isless; 647using ::islessequal; 648using ::islessgreater; 649using ::isunordered; 650using ::isunordered; 651 652using ::float_t; 653using ::double_t; 654 655// abs 656 657#if !defined(_AIX) && !defined(__sun__) 658inline _LIBCPP_INLINE_VISIBILITY 659float 660abs(float __lcpp_x) _NOEXCEPT {return fabsf(__lcpp_x);} 661 662inline _LIBCPP_INLINE_VISIBILITY 663double 664abs(double __lcpp_x) _NOEXCEPT {return fabs(__lcpp_x);} 665 666inline _LIBCPP_INLINE_VISIBILITY 667long double 668abs(long double __lcpp_x) _NOEXCEPT {return fabsl(__lcpp_x);} 669#endif // !defined(_AIX) 670 671#ifndef __sun__ 672 673// acos 674 675using ::acos; 676using ::acosf; 677 678#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 679inline _LIBCPP_INLINE_VISIBILITY float acos(float __lcpp_x) _NOEXCEPT {return acosf(__lcpp_x);} 680inline _LIBCPP_INLINE_VISIBILITY long double acos(long double __lcpp_x) _NOEXCEPT {return acosl(__lcpp_x);} 681#endif 682 683template <class _A1> 684inline _LIBCPP_INLINE_VISIBILITY 685typename enable_if<is_integral<_A1>::value, double>::type 686acos(_A1 __lcpp_x) _NOEXCEPT {return acos((double)__lcpp_x);} 687 688// asin 689 690using ::asin; 691using ::asinf; 692 693#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 694inline _LIBCPP_INLINE_VISIBILITY float asin(float __lcpp_x) _NOEXCEPT {return asinf(__lcpp_x);} 695inline _LIBCPP_INLINE_VISIBILITY long double asin(long double __lcpp_x) _NOEXCEPT {return asinl(__lcpp_x);} 696#endif 697 698template <class _A1> 699inline _LIBCPP_INLINE_VISIBILITY 700typename enable_if<is_integral<_A1>::value, double>::type 701asin(_A1 __lcpp_x) _NOEXCEPT {return asin((double)__lcpp_x);} 702 703// atan 704 705using ::atan; 706using ::atanf; 707 708#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 709inline _LIBCPP_INLINE_VISIBILITY float atan(float __lcpp_x) _NOEXCEPT {return atanf(__lcpp_x);} 710inline _LIBCPP_INLINE_VISIBILITY long double atan(long double __lcpp_x) _NOEXCEPT {return atanl(__lcpp_x);} 711#endif 712 713template <class _A1> 714inline _LIBCPP_INLINE_VISIBILITY 715typename enable_if<is_integral<_A1>::value, double>::type 716atan(_A1 __lcpp_x) _NOEXCEPT {return atan((double)__lcpp_x);} 717 718// atan2 719 720using ::atan2; 721using ::atan2f; 722 723#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 724inline _LIBCPP_INLINE_VISIBILITY float atan2(float __lcpp_y, float __lcpp_x) _NOEXCEPT {return atan2f(__lcpp_y, __lcpp_x);} 725inline _LIBCPP_INLINE_VISIBILITY long double atan2(long double __lcpp_y, long double __lcpp_x) _NOEXCEPT {return atan2l(__lcpp_y, __lcpp_x);} 726#endif 727 728template <class _A1, class _A2> 729inline _LIBCPP_INLINE_VISIBILITY 730typename __lazy_enable_if 731< 732 is_arithmetic<_A1>::value && 733 is_arithmetic<_A2>::value, 734 __promote<_A1, _A2> 735>::type 736atan2(_A1 __lcpp_y, _A2 __lcpp_x) _NOEXCEPT 737{ 738 typedef typename __promote<_A1, _A2>::type __result_type; 739 static_assert((!(is_same<_A1, __result_type>::value && 740 is_same<_A2, __result_type>::value)), ""); 741 return atan2((__result_type)__lcpp_y, (__result_type)__lcpp_x); 742} 743 744// ceil 745 746using ::ceil; 747using ::ceilf; 748 749#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 750inline _LIBCPP_INLINE_VISIBILITY float ceil(float __lcpp_x) _NOEXCEPT {return ceilf(__lcpp_x);} 751inline _LIBCPP_INLINE_VISIBILITY long double ceil(long double __lcpp_x) _NOEXCEPT {return ceill(__lcpp_x);} 752#endif 753 754template <class _A1> 755inline _LIBCPP_INLINE_VISIBILITY 756typename enable_if<is_integral<_A1>::value, double>::type 757ceil(_A1 __lcpp_x) _NOEXCEPT {return ceil((double)__lcpp_x);} 758 759// cos 760 761using ::cos; 762using ::cosf; 763 764#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 765inline _LIBCPP_INLINE_VISIBILITY float cos(float __lcpp_x) _NOEXCEPT {return cosf(__lcpp_x);} 766inline _LIBCPP_INLINE_VISIBILITY long double cos(long double __lcpp_x) _NOEXCEPT {return cosl(__lcpp_x);} 767#endif 768 769template <class _A1> 770inline _LIBCPP_INLINE_VISIBILITY 771typename enable_if<is_integral<_A1>::value, double>::type 772cos(_A1 __lcpp_x) _NOEXCEPT {return cos((double)__lcpp_x);} 773 774// cosh 775 776using ::cosh; 777using ::coshf; 778 779#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 780inline _LIBCPP_INLINE_VISIBILITY float cosh(float __lcpp_x) _NOEXCEPT {return coshf(__lcpp_x);} 781inline _LIBCPP_INLINE_VISIBILITY long double cosh(long double __lcpp_x) _NOEXCEPT {return coshl(__lcpp_x);} 782#endif 783 784template <class _A1> 785inline _LIBCPP_INLINE_VISIBILITY 786typename enable_if<is_integral<_A1>::value, double>::type 787cosh(_A1 __lcpp_x) _NOEXCEPT {return cosh((double)__lcpp_x);} 788 789#endif // __sun__ 790// exp 791 792using ::exp; 793using ::expf; 794 795#ifndef __sun__ 796 797#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 798inline _LIBCPP_INLINE_VISIBILITY float exp(float __lcpp_x) _NOEXCEPT {return expf(__lcpp_x);} 799inline _LIBCPP_INLINE_VISIBILITY long double exp(long double __lcpp_x) _NOEXCEPT {return expl(__lcpp_x);} 800#endif 801 802 803template <class _A1> 804inline _LIBCPP_INLINE_VISIBILITY 805typename enable_if<is_integral<_A1>::value, double>::type 806exp(_A1 __lcpp_x) _NOEXCEPT {return exp((double)__lcpp_x);} 807 808// fabs 809 810using ::fabs; 811using ::fabsf; 812 813#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 814inline _LIBCPP_INLINE_VISIBILITY float fabs(float __lcpp_x) _NOEXCEPT {return fabsf(__lcpp_x);} 815inline _LIBCPP_INLINE_VISIBILITY long double fabs(long double __lcpp_x) _NOEXCEPT {return fabsl(__lcpp_x);} 816#endif 817 818template <class _A1> 819inline _LIBCPP_INLINE_VISIBILITY 820typename enable_if<is_integral<_A1>::value, double>::type 821fabs(_A1 __lcpp_x) _NOEXCEPT {return fabs((double)__lcpp_x);} 822 823// floor 824 825using ::floor; 826using ::floorf; 827 828#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 829inline _LIBCPP_INLINE_VISIBILITY float floor(float __lcpp_x) _NOEXCEPT {return floorf(__lcpp_x);} 830inline _LIBCPP_INLINE_VISIBILITY long double floor(long double __lcpp_x) _NOEXCEPT {return floorl(__lcpp_x);} 831#endif 832 833template <class _A1> 834inline _LIBCPP_INLINE_VISIBILITY 835typename enable_if<is_integral<_A1>::value, double>::type 836floor(_A1 __lcpp_x) _NOEXCEPT {return floor((double)__lcpp_x);} 837 838// fmod 839 840#endif //__sun__ 841using ::fmod; 842using ::fmodf; 843#ifndef __sun__ 844 845#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 846inline _LIBCPP_INLINE_VISIBILITY float fmod(float __lcpp_x, float __lcpp_y) _NOEXCEPT {return fmodf(__lcpp_x, __lcpp_y);} 847inline _LIBCPP_INLINE_VISIBILITY long double fmod(long double __lcpp_x, long double __lcpp_y) _NOEXCEPT {return fmodl(__lcpp_x, __lcpp_y);} 848#endif 849 850template <class _A1, class _A2> 851inline _LIBCPP_INLINE_VISIBILITY 852typename __lazy_enable_if 853< 854 is_arithmetic<_A1>::value && 855 is_arithmetic<_A2>::value, 856 __promote<_A1, _A2> 857>::type 858fmod(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 859{ 860 typedef typename __promote<_A1, _A2>::type __result_type; 861 static_assert((!(is_same<_A1, __result_type>::value && 862 is_same<_A2, __result_type>::value)), ""); 863 return fmod((__result_type)__lcpp_x, (__result_type)__lcpp_y); 864} 865 866 867// frexp 868 869using ::frexp; 870using ::frexpf; 871 872#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 873inline _LIBCPP_INLINE_VISIBILITY float frexp(float __lcpp_x, int* __lcpp_e) _NOEXCEPT {return frexpf(__lcpp_x, __lcpp_e);} 874inline _LIBCPP_INLINE_VISIBILITY long double frexp(long double __lcpp_x, int* __lcpp_e) _NOEXCEPT {return frexpl(__lcpp_x, __lcpp_e);} 875#endif 876 877template <class _A1> 878inline _LIBCPP_INLINE_VISIBILITY 879typename enable_if<is_integral<_A1>::value, double>::type 880frexp(_A1 __lcpp_x, int* __lcpp_e) _NOEXCEPT {return frexp((double)__lcpp_x, __lcpp_e);} 881 882// ldexp 883 884using ::ldexp; 885using ::ldexpf; 886 887#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 888inline _LIBCPP_INLINE_VISIBILITY float ldexp(float __lcpp_x, int __lcpp_e) _NOEXCEPT {return ldexpf(__lcpp_x, __lcpp_e);} 889inline _LIBCPP_INLINE_VISIBILITY long double ldexp(long double __lcpp_x, int __lcpp_e) _NOEXCEPT {return ldexpl(__lcpp_x, __lcpp_e);} 890#endif 891 892template <class _A1> 893inline _LIBCPP_INLINE_VISIBILITY 894typename enable_if<is_integral<_A1>::value, double>::type 895ldexp(_A1 __lcpp_x, int __lcpp_e) _NOEXCEPT {return ldexp((double)__lcpp_x, __lcpp_e);} 896 897// log 898 899#endif // __sun__ 900using ::log; 901using ::logf; 902#ifndef __sun__ 903 904#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 905inline _LIBCPP_INLINE_VISIBILITY float log(float __lcpp_x) _NOEXCEPT {return logf(__lcpp_x);} 906inline _LIBCPP_INLINE_VISIBILITY long double log(long double __lcpp_x) _NOEXCEPT {return logl(__lcpp_x);} 907#endif 908 909template <class _A1> 910inline _LIBCPP_INLINE_VISIBILITY 911typename enable_if<is_integral<_A1>::value, double>::type 912log(_A1 __lcpp_x) _NOEXCEPT {return log((double)__lcpp_x);} 913 914 915// log10 916 917using ::log10; 918using ::log10f; 919 920#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 921inline _LIBCPP_INLINE_VISIBILITY float log10(float __lcpp_x) _NOEXCEPT {return log10f(__lcpp_x);} 922inline _LIBCPP_INLINE_VISIBILITY long double log10(long double __lcpp_x) _NOEXCEPT {return log10l(__lcpp_x);} 923#endif 924 925template <class _A1> 926inline _LIBCPP_INLINE_VISIBILITY 927typename enable_if<is_integral<_A1>::value, double>::type 928log10(_A1 __lcpp_x) _NOEXCEPT {return log10((double)__lcpp_x);} 929 930// modf 931 932using ::modf; 933using ::modff; 934 935#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 936inline _LIBCPP_INLINE_VISIBILITY float modf(float __lcpp_x, float* __lcpp_y) _NOEXCEPT {return modff(__lcpp_x, __lcpp_y);} 937inline _LIBCPP_INLINE_VISIBILITY long double modf(long double __lcpp_x, long double* __lcpp_y) _NOEXCEPT {return modfl(__lcpp_x, __lcpp_y);} 938#endif 939 940// pow 941 942#endif // __sun__ 943using ::pow; 944using ::powf; 945 946#ifndef __sun__ 947 948#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 949inline _LIBCPP_INLINE_VISIBILITY float pow(float __lcpp_x, float __lcpp_y) _NOEXCEPT {return powf(__lcpp_x, __lcpp_y);} 950inline _LIBCPP_INLINE_VISIBILITY long double pow(long double __lcpp_x, long double __lcpp_y) _NOEXCEPT {return powl(__lcpp_x, __lcpp_y);} 951#endif 952 953template <class _A1, class _A2> 954inline _LIBCPP_INLINE_VISIBILITY 955typename __lazy_enable_if 956< 957 is_arithmetic<_A1>::value && 958 is_arithmetic<_A2>::value, 959 __promote<_A1, _A2> 960>::type 961pow(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 962{ 963 typedef typename __promote<_A1, _A2>::type __result_type; 964 static_assert((!(is_same<_A1, __result_type>::value && 965 is_same<_A2, __result_type>::value)), ""); 966 return pow((__result_type)__lcpp_x, (__result_type)__lcpp_y); 967} 968 969// sin 970 971using ::sin; 972using ::sinf; 973 974#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 975inline _LIBCPP_INLINE_VISIBILITY float sin(float __lcpp_x) _NOEXCEPT {return sinf(__lcpp_x);} 976inline _LIBCPP_INLINE_VISIBILITY long double sin(long double __lcpp_x) _NOEXCEPT {return sinl(__lcpp_x);} 977#endif 978 979template <class _A1> 980inline _LIBCPP_INLINE_VISIBILITY 981typename enable_if<is_integral<_A1>::value, double>::type 982sin(_A1 __lcpp_x) _NOEXCEPT {return sin((double)__lcpp_x);} 983 984// sinh 985 986using ::sinh; 987using ::sinhf; 988 989#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 990inline _LIBCPP_INLINE_VISIBILITY float sinh(float __lcpp_x) _NOEXCEPT {return sinhf(__lcpp_x);} 991inline _LIBCPP_INLINE_VISIBILITY long double sinh(long double __lcpp_x) _NOEXCEPT {return sinhl(__lcpp_x);} 992#endif 993 994template <class _A1> 995inline _LIBCPP_INLINE_VISIBILITY 996typename enable_if<is_integral<_A1>::value, double>::type 997sinh(_A1 __lcpp_x) _NOEXCEPT {return sinh((double)__lcpp_x);} 998 999// sqrt 1000 1001#endif // __sun__ 1002using ::sqrt; 1003using ::sqrtf; 1004 1005 1006#if !(defined(_LIBCPP_MSVCRT) || defined(__sun__) || defined(_AIX)) 1007inline _LIBCPP_INLINE_VISIBILITY float sqrt(float __lcpp_x) _NOEXCEPT {return sqrtf(__lcpp_x);} 1008inline _LIBCPP_INLINE_VISIBILITY long double sqrt(long double __lcpp_x) _NOEXCEPT {return sqrtl(__lcpp_x);} 1009#endif 1010 1011template <class _A1> 1012inline _LIBCPP_INLINE_VISIBILITY 1013typename enable_if<is_integral<_A1>::value, double>::type 1014sqrt(_A1 __lcpp_x) _NOEXCEPT {return sqrt((double)__lcpp_x);} 1015 1016// tan 1017 1018using ::tan; 1019using ::tanf; 1020#ifndef __sun__ 1021 1022#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 1023inline _LIBCPP_INLINE_VISIBILITY float tan(float __lcpp_x) _NOEXCEPT {return tanf(__lcpp_x);} 1024inline _LIBCPP_INLINE_VISIBILITY long double tan(long double __lcpp_x) _NOEXCEPT {return tanl(__lcpp_x);} 1025#endif 1026 1027template <class _A1> 1028inline _LIBCPP_INLINE_VISIBILITY 1029typename enable_if<is_integral<_A1>::value, double>::type 1030tan(_A1 __lcpp_x) _NOEXCEPT {return tan((double)__lcpp_x);} 1031 1032// tanh 1033 1034using ::tanh; 1035using ::tanhf; 1036 1037#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX)) 1038inline _LIBCPP_INLINE_VISIBILITY float tanh(float __lcpp_x) _NOEXCEPT {return tanhf(__lcpp_x);} 1039inline _LIBCPP_INLINE_VISIBILITY long double tanh(long double __lcpp_x) _NOEXCEPT {return tanhl(__lcpp_x);} 1040#endif 1041 1042template <class _A1> 1043inline _LIBCPP_INLINE_VISIBILITY 1044typename enable_if<is_integral<_A1>::value, double>::type 1045tanh(_A1 __lcpp_x) _NOEXCEPT {return tanh((double)__lcpp_x);} 1046 1047// acosh 1048 1049#ifndef _LIBCPP_MSVCRT 1050using ::acosh; 1051using ::acoshf; 1052 1053inline _LIBCPP_INLINE_VISIBILITY float acosh(float __lcpp_x) _NOEXCEPT {return acoshf(__lcpp_x);} 1054inline _LIBCPP_INLINE_VISIBILITY long double acosh(long double __lcpp_x) _NOEXCEPT {return acoshl(__lcpp_x);} 1055 1056template <class _A1> 1057inline _LIBCPP_INLINE_VISIBILITY 1058typename enable_if<is_integral<_A1>::value, double>::type 1059acosh(_A1 __lcpp_x) _NOEXCEPT {return acosh((double)__lcpp_x);} 1060#endif 1061 1062// asinh 1063 1064#ifndef _LIBCPP_MSVCRT 1065using ::asinh; 1066using ::asinhf; 1067 1068inline _LIBCPP_INLINE_VISIBILITY float asinh(float __lcpp_x) _NOEXCEPT {return asinhf(__lcpp_x);} 1069inline _LIBCPP_INLINE_VISIBILITY long double asinh(long double __lcpp_x) _NOEXCEPT {return asinhl(__lcpp_x);} 1070 1071template <class _A1> 1072inline _LIBCPP_INLINE_VISIBILITY 1073typename enable_if<is_integral<_A1>::value, double>::type 1074asinh(_A1 __lcpp_x) _NOEXCEPT {return asinh((double)__lcpp_x);} 1075#endif 1076 1077// atanh 1078 1079#ifndef _LIBCPP_MSVCRT 1080using ::atanh; 1081using ::atanhf; 1082 1083inline _LIBCPP_INLINE_VISIBILITY float atanh(float __lcpp_x) _NOEXCEPT {return atanhf(__lcpp_x);} 1084inline _LIBCPP_INLINE_VISIBILITY long double atanh(long double __lcpp_x) _NOEXCEPT {return atanhl(__lcpp_x);} 1085 1086template <class _A1> 1087inline _LIBCPP_INLINE_VISIBILITY 1088typename enable_if<is_integral<_A1>::value, double>::type 1089atanh(_A1 __lcpp_x) _NOEXCEPT {return atanh((double)__lcpp_x);} 1090#endif 1091 1092// cbrt 1093 1094#ifndef _LIBCPP_MSVCRT 1095using ::cbrt; 1096using ::cbrtf; 1097 1098inline _LIBCPP_INLINE_VISIBILITY float cbrt(float __lcpp_x) _NOEXCEPT {return cbrtf(__lcpp_x);} 1099inline _LIBCPP_INLINE_VISIBILITY long double cbrt(long double __lcpp_x) _NOEXCEPT {return cbrtl(__lcpp_x);} 1100 1101template <class _A1> 1102inline _LIBCPP_INLINE_VISIBILITY 1103typename enable_if<is_integral<_A1>::value, double>::type 1104cbrt(_A1 __lcpp_x) _NOEXCEPT {return cbrt((double)__lcpp_x);} 1105#endif 1106 1107// copysign 1108 1109using ::copysign; 1110using ::copysignf; 1111 1112#if !defined(_VC_CRT_MAJOR_VERSION) || (_VC_CRT_MAJOR_VERSION < 12) 1113inline _LIBCPP_INLINE_VISIBILITY float copysign(float __lcpp_x, 1114 float __lcpp_y) _NOEXCEPT { 1115 return copysignf(__lcpp_x, __lcpp_y); 1116} 1117inline _LIBCPP_INLINE_VISIBILITY long double 1118copysign(long double __lcpp_x, long double __lcpp_y) _NOEXCEPT { 1119 return copysignl(__lcpp_x, __lcpp_y); 1120} 1121#endif 1122 1123template <class _A1, class _A2> 1124inline _LIBCPP_INLINE_VISIBILITY 1125typename __lazy_enable_if 1126< 1127 is_arithmetic<_A1>::value && 1128 is_arithmetic<_A2>::value, 1129 __promote<_A1, _A2> 1130>::type 1131copysign(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 1132{ 1133 typedef typename __promote<_A1, _A2>::type __result_type; 1134 static_assert((!(is_same<_A1, __result_type>::value && 1135 is_same<_A2, __result_type>::value)), ""); 1136 return copysign((__result_type)__lcpp_x, (__result_type)__lcpp_y); 1137} 1138 1139#ifndef _LIBCPP_MSVCRT 1140 1141// erf 1142 1143using ::erf; 1144using ::erff; 1145 1146inline _LIBCPP_INLINE_VISIBILITY float erf(float __lcpp_x) _NOEXCEPT {return erff(__lcpp_x);} 1147inline _LIBCPP_INLINE_VISIBILITY long double erf(long double __lcpp_x) _NOEXCEPT {return erfl(__lcpp_x);} 1148 1149template <class _A1> 1150inline _LIBCPP_INLINE_VISIBILITY 1151typename enable_if<is_integral<_A1>::value, double>::type 1152erf(_A1 __lcpp_x) _NOEXCEPT {return erf((double)__lcpp_x);} 1153 1154// erfc 1155 1156using ::erfc; 1157using ::erfcf; 1158 1159inline _LIBCPP_INLINE_VISIBILITY float erfc(float __lcpp_x) _NOEXCEPT {return erfcf(__lcpp_x);} 1160inline _LIBCPP_INLINE_VISIBILITY long double erfc(long double __lcpp_x) _NOEXCEPT {return erfcl(__lcpp_x);} 1161 1162template <class _A1> 1163inline _LIBCPP_INLINE_VISIBILITY 1164typename enable_if<is_integral<_A1>::value, double>::type 1165erfc(_A1 __lcpp_x) _NOEXCEPT {return erfc((double)__lcpp_x);} 1166 1167// exp2 1168 1169using ::exp2; 1170using ::exp2f; 1171 1172inline _LIBCPP_INLINE_VISIBILITY float exp2(float __lcpp_x) _NOEXCEPT {return exp2f(__lcpp_x);} 1173inline _LIBCPP_INLINE_VISIBILITY long double exp2(long double __lcpp_x) _NOEXCEPT {return exp2l(__lcpp_x);} 1174 1175template <class _A1> 1176inline _LIBCPP_INLINE_VISIBILITY 1177typename enable_if<is_integral<_A1>::value, double>::type 1178exp2(_A1 __lcpp_x) _NOEXCEPT {return exp2((double)__lcpp_x);} 1179 1180// expm1 1181 1182using ::expm1; 1183using ::expm1f; 1184 1185inline _LIBCPP_INLINE_VISIBILITY float expm1(float __lcpp_x) _NOEXCEPT {return expm1f(__lcpp_x);} 1186inline _LIBCPP_INLINE_VISIBILITY long double expm1(long double __lcpp_x) _NOEXCEPT {return expm1l(__lcpp_x);} 1187 1188template <class _A1> 1189inline _LIBCPP_INLINE_VISIBILITY 1190typename enable_if<is_integral<_A1>::value, double>::type 1191expm1(_A1 __lcpp_x) _NOEXCEPT {return expm1((double)__lcpp_x);} 1192 1193// fdim 1194 1195using ::fdim; 1196using ::fdimf; 1197 1198inline _LIBCPP_INLINE_VISIBILITY float fdim(float __lcpp_x, float __lcpp_y) _NOEXCEPT {return fdimf(__lcpp_x, __lcpp_y);} 1199inline _LIBCPP_INLINE_VISIBILITY long double fdim(long double __lcpp_x, long double __lcpp_y) _NOEXCEPT {return fdiml(__lcpp_x, __lcpp_y);} 1200 1201template <class _A1, class _A2> 1202inline _LIBCPP_INLINE_VISIBILITY 1203typename __lazy_enable_if 1204< 1205 is_arithmetic<_A1>::value && 1206 is_arithmetic<_A2>::value, 1207 __promote<_A1, _A2> 1208>::type 1209fdim(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 1210{ 1211 typedef typename __promote<_A1, _A2>::type __result_type; 1212 static_assert((!(is_same<_A1, __result_type>::value && 1213 is_same<_A2, __result_type>::value)), ""); 1214 return fdim((__result_type)__lcpp_x, (__result_type)__lcpp_y); 1215} 1216 1217// fma 1218 1219using ::fmaf; 1220using ::fma; 1221 1222inline _LIBCPP_INLINE_VISIBILITY float fma(float __lcpp_x, float __lcpp_y, float __lcpp_z) _NOEXCEPT {return fmaf(__lcpp_x, __lcpp_y, __lcpp_z);} 1223inline _LIBCPP_INLINE_VISIBILITY long double fma(long double __lcpp_x, long double __lcpp_y, long double __lcpp_z) _NOEXCEPT {return fmal(__lcpp_x, __lcpp_y, __lcpp_z);} 1224 1225template <class _A1, class _A2, class _A3> 1226inline _LIBCPP_INLINE_VISIBILITY 1227typename __lazy_enable_if 1228< 1229 is_arithmetic<_A1>::value && 1230 is_arithmetic<_A2>::value && 1231 is_arithmetic<_A3>::value, 1232 __promote<_A1, _A2, _A3> 1233>::type 1234fma(_A1 __lcpp_x, _A2 __lcpp_y, _A3 __lcpp_z) _NOEXCEPT 1235{ 1236 typedef typename __promote<_A1, _A2, _A3>::type __result_type; 1237 static_assert((!(is_same<_A1, __result_type>::value && 1238 is_same<_A2, __result_type>::value && 1239 is_same<_A3, __result_type>::value)), ""); 1240 return fma((__result_type)__lcpp_x, (__result_type)__lcpp_y, (__result_type)__lcpp_z); 1241} 1242 1243// fmax 1244 1245using ::fmax; 1246using ::fmaxf; 1247 1248inline _LIBCPP_INLINE_VISIBILITY float fmax(float __lcpp_x, float __lcpp_y) _NOEXCEPT {return fmaxf(__lcpp_x, __lcpp_y);} 1249inline _LIBCPP_INLINE_VISIBILITY long double fmax(long double __lcpp_x, long double __lcpp_y) _NOEXCEPT {return fmaxl(__lcpp_x, __lcpp_y);} 1250 1251template <class _A1, class _A2> 1252inline _LIBCPP_INLINE_VISIBILITY 1253typename __lazy_enable_if 1254< 1255 is_arithmetic<_A1>::value && 1256 is_arithmetic<_A2>::value, 1257 __promote<_A1, _A2> 1258>::type 1259fmax(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 1260{ 1261 typedef typename __promote<_A1, _A2>::type __result_type; 1262 static_assert((!(is_same<_A1, __result_type>::value && 1263 is_same<_A2, __result_type>::value)), ""); 1264 return fmax((__result_type)__lcpp_x, (__result_type)__lcpp_y); 1265} 1266 1267// fmin 1268 1269using ::fmin; 1270using ::fminf; 1271 1272inline _LIBCPP_INLINE_VISIBILITY float fmin(float __lcpp_x, float __lcpp_y) _NOEXCEPT {return fminf(__lcpp_x, __lcpp_y);} 1273inline _LIBCPP_INLINE_VISIBILITY long double fmin(long double __lcpp_x, long double __lcpp_y) _NOEXCEPT {return fminl(__lcpp_x, __lcpp_y);} 1274 1275template <class _A1, class _A2> 1276inline _LIBCPP_INLINE_VISIBILITY 1277typename __lazy_enable_if 1278< 1279 is_arithmetic<_A1>::value && 1280 is_arithmetic<_A2>::value, 1281 __promote<_A1, _A2> 1282>::type 1283fmin(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 1284{ 1285 typedef typename __promote<_A1, _A2>::type __result_type; 1286 static_assert((!(is_same<_A1, __result_type>::value && 1287 is_same<_A2, __result_type>::value)), ""); 1288 return fmin((__result_type)__lcpp_x, (__result_type)__lcpp_y); 1289} 1290 1291// hypot 1292 1293using ::hypot; 1294using ::hypotf; 1295 1296inline _LIBCPP_INLINE_VISIBILITY float hypot(float __lcpp_x, float __lcpp_y) _NOEXCEPT {return hypotf(__lcpp_x, __lcpp_y);} 1297inline _LIBCPP_INLINE_VISIBILITY long double hypot(long double __lcpp_x, long double __lcpp_y) _NOEXCEPT {return hypotl(__lcpp_x, __lcpp_y);} 1298 1299template <class _A1, class _A2> 1300inline _LIBCPP_INLINE_VISIBILITY 1301typename __lazy_enable_if 1302< 1303 is_arithmetic<_A1>::value && 1304 is_arithmetic<_A2>::value, 1305 __promote<_A1, _A2> 1306>::type 1307hypot(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 1308{ 1309 typedef typename __promote<_A1, _A2>::type __result_type; 1310 static_assert((!(is_same<_A1, __result_type>::value && 1311 is_same<_A2, __result_type>::value)), ""); 1312 return hypot((__result_type)__lcpp_x, (__result_type)__lcpp_y); 1313} 1314 1315// ilogb 1316 1317using ::ilogb; 1318using ::ilogbf; 1319 1320inline _LIBCPP_INLINE_VISIBILITY int ilogb(float __lcpp_x) _NOEXCEPT {return ilogbf(__lcpp_x);} 1321inline _LIBCPP_INLINE_VISIBILITY int ilogb(long double __lcpp_x) _NOEXCEPT {return ilogbl(__lcpp_x);} 1322 1323template <class _A1> 1324inline _LIBCPP_INLINE_VISIBILITY 1325typename enable_if<is_integral<_A1>::value, int>::type 1326ilogb(_A1 __lcpp_x) _NOEXCEPT {return ilogb((double)__lcpp_x);} 1327 1328// lgamma 1329 1330using ::lgamma; 1331using ::lgammaf; 1332 1333inline _LIBCPP_INLINE_VISIBILITY float lgamma(float __lcpp_x) _NOEXCEPT {return lgammaf(__lcpp_x);} 1334inline _LIBCPP_INLINE_VISIBILITY long double lgamma(long double __lcpp_x) _NOEXCEPT {return lgammal(__lcpp_x);} 1335 1336 1337template <class _A1> 1338inline _LIBCPP_INLINE_VISIBILITY 1339typename enable_if<is_integral<_A1>::value, double>::type 1340lgamma(_A1 __lcpp_x) _NOEXCEPT {return lgamma((double)__lcpp_x);} 1341 1342 1343// llrint 1344 1345using ::llrint; 1346using ::llrintf; 1347 1348inline _LIBCPP_INLINE_VISIBILITY long long llrint(float __lcpp_x) _NOEXCEPT {return llrintf(__lcpp_x);} 1349inline _LIBCPP_INLINE_VISIBILITY long long llrint(long double __lcpp_x) _NOEXCEPT {return llrintl(__lcpp_x);} 1350 1351template <class _A1> 1352inline _LIBCPP_INLINE_VISIBILITY 1353typename enable_if<is_integral<_A1>::value, long long>::type 1354llrint(_A1 __lcpp_x) _NOEXCEPT {return llrint((double)__lcpp_x);} 1355 1356// llround 1357 1358using ::llround; 1359using ::llroundf; 1360 1361inline _LIBCPP_INLINE_VISIBILITY long long llround(float __lcpp_x) _NOEXCEPT {return llroundf(__lcpp_x);} 1362inline _LIBCPP_INLINE_VISIBILITY long long llround(long double __lcpp_x) _NOEXCEPT {return llroundl(__lcpp_x);} 1363 1364template <class _A1> 1365inline _LIBCPP_INLINE_VISIBILITY 1366typename enable_if<is_integral<_A1>::value, long long>::type 1367llround(_A1 __lcpp_x) _NOEXCEPT {return llround((double)__lcpp_x);} 1368 1369// log1p 1370 1371using ::log1p; 1372using ::log1pf; 1373 1374inline _LIBCPP_INLINE_VISIBILITY float log1p(float __lcpp_x) _NOEXCEPT {return log1pf(__lcpp_x);} 1375inline _LIBCPP_INLINE_VISIBILITY long double log1p(long double __lcpp_x) _NOEXCEPT {return log1pl(__lcpp_x);} 1376 1377template <class _A1> 1378inline _LIBCPP_INLINE_VISIBILITY 1379typename enable_if<is_integral<_A1>::value, double>::type 1380log1p(_A1 __lcpp_x) _NOEXCEPT {return log1p((double)__lcpp_x);} 1381 1382// log2 1383 1384using ::log2; 1385using ::log2f; 1386 1387inline _LIBCPP_INLINE_VISIBILITY float log2(float __lcpp_x) _NOEXCEPT {return log2f(__lcpp_x);} 1388inline _LIBCPP_INLINE_VISIBILITY long double log2(long double __lcpp_x) _NOEXCEPT {return log2l(__lcpp_x);} 1389 1390template <class _A1> 1391inline _LIBCPP_INLINE_VISIBILITY 1392typename enable_if<is_integral<_A1>::value, double>::type 1393log2(_A1 __lcpp_x) _NOEXCEPT {return log2((double)__lcpp_x);} 1394 1395// logb 1396 1397using ::logb; 1398using ::logbf; 1399 1400inline _LIBCPP_INLINE_VISIBILITY float logb(float __lcpp_x) _NOEXCEPT {return logbf(__lcpp_x);} 1401inline _LIBCPP_INLINE_VISIBILITY long double logb(long double __lcpp_x) _NOEXCEPT {return logbl(__lcpp_x);} 1402 1403template <class _A1> 1404inline _LIBCPP_INLINE_VISIBILITY 1405typename enable_if<is_integral<_A1>::value, double>::type 1406logb(_A1 __lcpp_x) _NOEXCEPT {return logb((double)__lcpp_x);} 1407 1408// lrint 1409 1410using ::lrint; 1411using ::lrintf; 1412 1413inline _LIBCPP_INLINE_VISIBILITY long lrint(float __lcpp_x) _NOEXCEPT {return lrintf(__lcpp_x);} 1414inline _LIBCPP_INLINE_VISIBILITY long lrint(long double __lcpp_x) _NOEXCEPT {return lrintl(__lcpp_x);} 1415 1416template <class _A1> 1417inline _LIBCPP_INLINE_VISIBILITY 1418typename enable_if<is_integral<_A1>::value, long>::type 1419lrint(_A1 __lcpp_x) _NOEXCEPT {return lrint((double)__lcpp_x);} 1420 1421// lround 1422 1423using ::lround; 1424using ::lroundf; 1425 1426inline _LIBCPP_INLINE_VISIBILITY long lround(float __lcpp_x) _NOEXCEPT {return lroundf(__lcpp_x);} 1427inline _LIBCPP_INLINE_VISIBILITY long lround(long double __lcpp_x) _NOEXCEPT {return lroundl(__lcpp_x);} 1428 1429template <class _A1> 1430inline _LIBCPP_INLINE_VISIBILITY 1431typename enable_if<is_integral<_A1>::value, long>::type 1432lround(_A1 __lcpp_x) _NOEXCEPT {return lround((double)__lcpp_x);} 1433 1434#endif // _LIBCPP_MSVCRT 1435#endif // __sun__ 1436 1437// nan 1438 1439#ifndef _LIBCPP_MSVCRT 1440using ::nan; 1441using ::nanf; 1442#endif // _LIBCPP_MSVCRT 1443 1444#ifndef __sun__ 1445#ifndef _LIBCPP_MSVCRT 1446 1447// nearbyint 1448 1449using ::nearbyint; 1450using ::nearbyintf; 1451 1452inline _LIBCPP_INLINE_VISIBILITY float nearbyint(float __lcpp_x) _NOEXCEPT {return nearbyintf(__lcpp_x);} 1453inline _LIBCPP_INLINE_VISIBILITY long double nearbyint(long double __lcpp_x) _NOEXCEPT {return nearbyintl(__lcpp_x);} 1454 1455template <class _A1> 1456inline _LIBCPP_INLINE_VISIBILITY 1457typename enable_if<is_integral<_A1>::value, double>::type 1458nearbyint(_A1 __lcpp_x) _NOEXCEPT {return nearbyint((double)__lcpp_x);} 1459 1460// nextafter 1461 1462using ::nextafter; 1463using ::nextafterf; 1464 1465inline _LIBCPP_INLINE_VISIBILITY float nextafter(float __lcpp_x, float __lcpp_y) _NOEXCEPT {return nextafterf(__lcpp_x, __lcpp_y);} 1466inline _LIBCPP_INLINE_VISIBILITY long double nextafter(long double __lcpp_x, long double __lcpp_y) _NOEXCEPT {return nextafterl(__lcpp_x, __lcpp_y);} 1467 1468template <class _A1, class _A2> 1469inline _LIBCPP_INLINE_VISIBILITY 1470typename __lazy_enable_if 1471< 1472 is_arithmetic<_A1>::value && 1473 is_arithmetic<_A2>::value, 1474 __promote<_A1, _A2> 1475>::type 1476nextafter(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 1477{ 1478 typedef typename __promote<_A1, _A2>::type __result_type; 1479 static_assert((!(is_same<_A1, __result_type>::value && 1480 is_same<_A2, __result_type>::value)), ""); 1481 return nextafter((__result_type)__lcpp_x, (__result_type)__lcpp_y); 1482} 1483 1484// nexttoward 1485 1486using ::nexttoward; 1487using ::nexttowardf; 1488 1489inline _LIBCPP_INLINE_VISIBILITY float nexttoward(float __lcpp_x, long double __lcpp_y) _NOEXCEPT {return nexttowardf(__lcpp_x, __lcpp_y);} 1490inline _LIBCPP_INLINE_VISIBILITY long double nexttoward(long double __lcpp_x, long double __lcpp_y) _NOEXCEPT {return nexttowardl(__lcpp_x, __lcpp_y);} 1491 1492template <class _A1> 1493inline _LIBCPP_INLINE_VISIBILITY 1494typename enable_if<is_integral<_A1>::value, double>::type 1495nexttoward(_A1 __lcpp_x, long double __lcpp_y) _NOEXCEPT {return nexttoward((double)__lcpp_x, __lcpp_y);} 1496 1497// remainder 1498 1499using ::remainder; 1500using ::remainderf; 1501 1502inline _LIBCPP_INLINE_VISIBILITY float remainder(float __lcpp_x, float __lcpp_y) _NOEXCEPT {return remainderf(__lcpp_x, __lcpp_y);} 1503inline _LIBCPP_INLINE_VISIBILITY long double remainder(long double __lcpp_x, long double __lcpp_y) _NOEXCEPT {return remainderl(__lcpp_x, __lcpp_y);} 1504 1505template <class _A1, class _A2> 1506inline _LIBCPP_INLINE_VISIBILITY 1507typename __lazy_enable_if 1508< 1509 is_arithmetic<_A1>::value && 1510 is_arithmetic<_A2>::value, 1511 __promote<_A1, _A2> 1512>::type 1513remainder(_A1 __lcpp_x, _A2 __lcpp_y) _NOEXCEPT 1514{ 1515 typedef typename __promote<_A1, _A2>::type __result_type; 1516 static_assert((!(is_same<_A1, __result_type>::value && 1517 is_same<_A2, __result_type>::value)), ""); 1518 return remainder((__result_type)__lcpp_x, (__result_type)__lcpp_y); 1519} 1520 1521// remquo 1522 1523using ::remquo; 1524using ::remquof; 1525 1526inline _LIBCPP_INLINE_VISIBILITY float remquo(float __lcpp_x, float __lcpp_y, int* __lcpp_z) _NOEXCEPT {return remquof(__lcpp_x, __lcpp_y, __lcpp_z);} 1527inline _LIBCPP_INLINE_VISIBILITY long double remquo(long double __lcpp_x, long double __lcpp_y, int* __lcpp_z) _NOEXCEPT {return remquol(__lcpp_x, __lcpp_y, __lcpp_z);} 1528 1529template <class _A1, class _A2> 1530inline _LIBCPP_INLINE_VISIBILITY 1531typename __lazy_enable_if 1532< 1533 is_arithmetic<_A1>::value && 1534 is_arithmetic<_A2>::value, 1535 __promote<_A1, _A2> 1536>::type 1537remquo(_A1 __lcpp_x, _A2 __lcpp_y, int* __lcpp_z) _NOEXCEPT 1538{ 1539 typedef typename __promote<_A1, _A2>::type __result_type; 1540 static_assert((!(is_same<_A1, __result_type>::value && 1541 is_same<_A2, __result_type>::value)), ""); 1542 return remquo((__result_type)__lcpp_x, (__result_type)__lcpp_y, __lcpp_z); 1543} 1544 1545// rint 1546 1547using ::rint; 1548using ::rintf; 1549 1550inline _LIBCPP_INLINE_VISIBILITY float rint(float __lcpp_x) _NOEXCEPT {return rintf(__lcpp_x);} 1551inline _LIBCPP_INLINE_VISIBILITY long double rint(long double __lcpp_x) _NOEXCEPT {return rintl(__lcpp_x);} 1552 1553template <class _A1> 1554inline _LIBCPP_INLINE_VISIBILITY 1555typename enable_if<is_integral<_A1>::value, double>::type 1556rint(_A1 __lcpp_x) _NOEXCEPT {return rint((double)__lcpp_x);} 1557 1558// round 1559 1560using ::round; 1561using ::roundf; 1562 1563inline _LIBCPP_INLINE_VISIBILITY float round(float __lcpp_x) _NOEXCEPT {return roundf(__lcpp_x);} 1564inline _LIBCPP_INLINE_VISIBILITY long double round(long double __lcpp_x) _NOEXCEPT {return roundl(__lcpp_x);} 1565 1566template <class _A1> 1567inline _LIBCPP_INLINE_VISIBILITY 1568typename enable_if<is_integral<_A1>::value, double>::type 1569round(_A1 __lcpp_x) _NOEXCEPT {return round((double)__lcpp_x);} 1570 1571// scalbln 1572 1573using ::scalbln; 1574using ::scalblnf; 1575 1576inline _LIBCPP_INLINE_VISIBILITY float scalbln(float __lcpp_x, long __lcpp_y) _NOEXCEPT {return scalblnf(__lcpp_x, __lcpp_y);} 1577inline _LIBCPP_INLINE_VISIBILITY long double scalbln(long double __lcpp_x, long __lcpp_y) _NOEXCEPT {return scalblnl(__lcpp_x, __lcpp_y);} 1578 1579template <class _A1> 1580inline _LIBCPP_INLINE_VISIBILITY 1581typename enable_if<is_integral<_A1>::value, double>::type 1582scalbln(_A1 __lcpp_x, long __lcpp_y) _NOEXCEPT {return scalbln((double)__lcpp_x, __lcpp_y);} 1583 1584// scalbn 1585 1586using ::scalbn; 1587using ::scalbnf; 1588 1589inline _LIBCPP_INLINE_VISIBILITY float scalbn(float __lcpp_x, int __lcpp_y) _NOEXCEPT {return scalbnf(__lcpp_x, __lcpp_y);} 1590inline _LIBCPP_INLINE_VISIBILITY long double scalbn(long double __lcpp_x, int __lcpp_y) _NOEXCEPT {return scalbnl(__lcpp_x, __lcpp_y);} 1591 1592template <class _A1> 1593inline _LIBCPP_INLINE_VISIBILITY 1594typename enable_if<is_integral<_A1>::value, double>::type 1595scalbn(_A1 __lcpp_x, int __lcpp_y) _NOEXCEPT {return scalbn((double)__lcpp_x, __lcpp_y);} 1596 1597// tgamma 1598 1599using ::tgamma; 1600using ::tgammaf; 1601 1602inline _LIBCPP_INLINE_VISIBILITY float tgamma(float __lcpp_x) _NOEXCEPT {return tgammaf(__lcpp_x);} 1603inline _LIBCPP_INLINE_VISIBILITY long double tgamma(long double __lcpp_x) _NOEXCEPT {return tgammal(__lcpp_x);} 1604 1605template <class _A1> 1606inline _LIBCPP_INLINE_VISIBILITY 1607typename enable_if<is_integral<_A1>::value, double>::type 1608tgamma(_A1 __lcpp_x) _NOEXCEPT {return tgamma((double)__lcpp_x);} 1609 1610// trunc 1611 1612using ::trunc; 1613using ::truncf; 1614 1615inline _LIBCPP_INLINE_VISIBILITY float trunc(float __lcpp_x) _NOEXCEPT {return truncf(__lcpp_x);} 1616inline _LIBCPP_INLINE_VISIBILITY long double trunc(long double __lcpp_x) _NOEXCEPT {return truncl(__lcpp_x);} 1617 1618template <class _A1> 1619inline _LIBCPP_INLINE_VISIBILITY 1620typename enable_if<is_integral<_A1>::value, double>::type 1621trunc(_A1 __lcpp_x) _NOEXCEPT {return trunc((double)__lcpp_x);} 1622 1623#endif // !_LIBCPP_MSVCRT 1624 1625using ::acosl; 1626using ::asinl; 1627using ::atanl; 1628using ::atan2l; 1629using ::ceill; 1630using ::cosl; 1631using ::coshl; 1632using ::expl; 1633using ::fabsl; 1634using ::floorl; 1635using ::fmodl; 1636using ::frexpl; 1637using ::ldexpl; 1638using ::logl; 1639using ::log10l; 1640using ::modfl; 1641using ::powl; 1642using ::sinl; 1643using ::sinhl; 1644using ::sqrtl; 1645using ::tanl; 1646#ifndef _LIBCPP_MSVCRT 1647using ::tanhl; 1648using ::acoshl; 1649using ::asinhl; 1650using ::atanhl; 1651using ::cbrtl; 1652#endif // !_LIBCPP_MSVCRT 1653using ::copysignl; 1654#ifndef _LIBCPP_MSVCRT 1655using ::erfl; 1656using ::erfcl; 1657using ::exp2l; 1658using ::expm1l; 1659using ::fdiml; 1660using ::fmal; 1661using ::fmaxl; 1662using ::fminl; 1663using ::hypotl; 1664using ::ilogbl; 1665using ::lgammal; 1666using ::llrintl; 1667using ::llroundl; 1668using ::log1pl; 1669using ::log2l; 1670using ::logbl; 1671using ::lrintl; 1672using ::lroundl; 1673using ::nanl; 1674using ::nearbyintl; 1675using ::nextafterl; 1676using ::nexttowardl; 1677using ::remainderl; 1678using ::remquol; 1679using ::rintl; 1680using ::roundl; 1681using ::scalblnl; 1682using ::scalbnl; 1683using ::tgammal; 1684using ::truncl; 1685#endif // !_LIBCPP_MSVCRT 1686 1687#else 1688using ::lgamma; 1689using ::lgammaf; 1690#endif // __sun__ 1691_LIBCPP_END_NAMESPACE_STD 1692 1693#endif // _LIBCPP_CMATH 1694