mirror of
https://github.com/jart/cosmopolitan.git
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Upgrade to 2022-era LLVM LIBCXX
This commit is contained in:
Justine Tunney
parent
2f4ca71f26
commit
8e68384e15
2078 changed files with 165657 additions and 65010 deletions
678
third_party/libcxx/cmath
vendored
678
third_party/libcxx/cmath
vendored
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@ -1,5 +1,5 @@
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// -*- C++ -*-
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//===---------------------------- cmath -----------------------------------===//
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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@ -10,20 +10,6 @@
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#ifndef _LIBCPP_CMATH
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#define _LIBCPP_CMATH
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#include "third_party/libcxx/__config"
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#include "third_party/libcxx/math.h"
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#include "third_party/libcxx/version"
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#include "third_party/libcxx/type_traits"
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_PUSH_MACROS
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#include "third_party/libcxx/__undef_macros"
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_LIBCPP_BEGIN_NAMESPACE_STD
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/*
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cmath synopsis
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@ -310,230 +296,262 @@ floating_point trunc (arithmetic x);
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float truncf(float x);
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long double truncl(long double x);
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constexpr float lerp(float a, float b, float t) noexcept; // C++20
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constexpr double lerp(double a, double b, double t) noexcept; // C++20
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constexpr long double lerp(long double a, long double b, long double t) noexcept; // C++20
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} // std
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*/
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using ::signbit;
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using ::fpclassify;
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using ::isfinite;
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using ::isinf;
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using ::isnan;
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using ::isnormal;
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using ::isgreater;
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using ::isgreaterequal;
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using ::isless;
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using ::islessequal;
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using ::islessgreater;
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using ::isunordered;
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using ::isunordered;
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#include <__assert> // all public C++ headers provide the assertion handler
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#include <__config>
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#include <__type_traits/enable_if.h>
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#include <__type_traits/is_arithmetic.h>
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#include <__type_traits/is_constant_evaluated.h>
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#include <__type_traits/is_floating_point.h>
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#include <__type_traits/is_same.h>
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#include <__type_traits/promote.h>
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#include <__type_traits/remove_cv.h>
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#include <version>
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using ::float_t;
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using ::double_t;
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#include <math.h>
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#ifndef _AIX
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using ::abs;
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#ifndef _LIBCPP_MATH_H
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# error <cmath> tried including <math.h> but didn't find libc++'s <math.h> header. \
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This usually means that your header search paths are not configured properly. \
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The header search paths should contain the C++ Standard Library headers before \
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any C Standard Library, and you are probably using compiler flags that make that \
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not be the case.
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#endif
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using ::acos;
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using ::acosf;
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using ::asin;
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using ::asinf;
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using ::atan;
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using ::atanf;
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using ::atan2;
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using ::atan2f;
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using ::ceil;
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using ::ceilf;
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using ::cos;
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using ::cosf;
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using ::cosh;
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using ::coshf;
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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using ::exp;
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using ::expf;
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_LIBCPP_PUSH_MACROS
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#include <__undef_macros>
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using ::fabs;
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using ::fabsf;
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using ::floor;
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using ::floorf;
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_LIBCPP_BEGIN_NAMESPACE_STD
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using ::fmod;
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using ::fmodf;
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using ::signbit _LIBCPP_USING_IF_EXISTS;
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using ::fpclassify _LIBCPP_USING_IF_EXISTS;
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using ::isfinite _LIBCPP_USING_IF_EXISTS;
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using ::isinf _LIBCPP_USING_IF_EXISTS;
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using ::isnan _LIBCPP_USING_IF_EXISTS;
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using ::isnormal _LIBCPP_USING_IF_EXISTS;
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using ::isgreater _LIBCPP_USING_IF_EXISTS;
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using ::isgreaterequal _LIBCPP_USING_IF_EXISTS;
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using ::isless _LIBCPP_USING_IF_EXISTS;
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using ::islessequal _LIBCPP_USING_IF_EXISTS;
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using ::islessgreater _LIBCPP_USING_IF_EXISTS;
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using ::isunordered _LIBCPP_USING_IF_EXISTS;
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using ::isunordered _LIBCPP_USING_IF_EXISTS;
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using ::frexp;
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using ::frexpf;
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using ::ldexp;
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using ::ldexpf;
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using ::float_t _LIBCPP_USING_IF_EXISTS;
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using ::double_t _LIBCPP_USING_IF_EXISTS;
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using ::log;
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using ::logf;
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using ::abs _LIBCPP_USING_IF_EXISTS;
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using ::log10;
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using ::log10f;
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using ::modf;
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using ::modff;
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using ::acos _LIBCPP_USING_IF_EXISTS;
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using ::acosf _LIBCPP_USING_IF_EXISTS;
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using ::asin _LIBCPP_USING_IF_EXISTS;
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using ::asinf _LIBCPP_USING_IF_EXISTS;
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using ::atan _LIBCPP_USING_IF_EXISTS;
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using ::atanf _LIBCPP_USING_IF_EXISTS;
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using ::atan2 _LIBCPP_USING_IF_EXISTS;
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using ::atan2f _LIBCPP_USING_IF_EXISTS;
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using ::ceil _LIBCPP_USING_IF_EXISTS;
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using ::ceilf _LIBCPP_USING_IF_EXISTS;
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using ::cos _LIBCPP_USING_IF_EXISTS;
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using ::cosf _LIBCPP_USING_IF_EXISTS;
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using ::cosh _LIBCPP_USING_IF_EXISTS;
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using ::coshf _LIBCPP_USING_IF_EXISTS;
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using ::pow;
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using ::powf;
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using ::exp _LIBCPP_USING_IF_EXISTS;
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using ::expf _LIBCPP_USING_IF_EXISTS;
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using ::sin;
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using ::sinf;
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using ::sinh;
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using ::sinhf;
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using ::fabs _LIBCPP_USING_IF_EXISTS;
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using ::fabsf _LIBCPP_USING_IF_EXISTS;
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using ::floor _LIBCPP_USING_IF_EXISTS;
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using ::floorf _LIBCPP_USING_IF_EXISTS;
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using ::sqrt;
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using ::sqrtf;
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using ::tan;
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using ::tanf;
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using ::fmod _LIBCPP_USING_IF_EXISTS;
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using ::fmodf _LIBCPP_USING_IF_EXISTS;
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using ::tanh;
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using ::tanhf;
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using ::frexp _LIBCPP_USING_IF_EXISTS;
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using ::frexpf _LIBCPP_USING_IF_EXISTS;
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using ::ldexp _LIBCPP_USING_IF_EXISTS;
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using ::ldexpf _LIBCPP_USING_IF_EXISTS;
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using ::acosh;
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using ::acoshf;
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using ::asinh;
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using ::asinhf;
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using ::atanh;
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using ::atanhf;
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using ::cbrt;
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using ::cbrtf;
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using ::log _LIBCPP_USING_IF_EXISTS;
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using ::logf _LIBCPP_USING_IF_EXISTS;
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using ::copysign;
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using ::copysignf;
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using ::log10 _LIBCPP_USING_IF_EXISTS;
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using ::log10f _LIBCPP_USING_IF_EXISTS;
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using ::modf _LIBCPP_USING_IF_EXISTS;
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using ::modff _LIBCPP_USING_IF_EXISTS;
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using ::erf;
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using ::erff;
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using ::erfc;
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using ::erfcf;
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using ::exp2;
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using ::exp2f;
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using ::expm1;
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using ::expm1f;
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using ::fdim;
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using ::fdimf;
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using ::fmaf;
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using ::fma;
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using ::fmax;
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using ::fmaxf;
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using ::fmin;
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using ::fminf;
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using ::hypot;
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using ::hypotf;
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using ::ilogb;
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using ::ilogbf;
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using ::lgamma;
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using ::lgammaf;
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using ::llrint;
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using ::llrintf;
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using ::llround;
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using ::llroundf;
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using ::log1p;
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using ::log1pf;
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using ::log2;
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using ::log2f;
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using ::logb;
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using ::logbf;
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using ::lrint;
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using ::lrintf;
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using ::lround;
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using ::lroundf;
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using ::pow _LIBCPP_USING_IF_EXISTS;
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using ::powf _LIBCPP_USING_IF_EXISTS;
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using ::nan;
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using ::nanf;
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using ::sin _LIBCPP_USING_IF_EXISTS;
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using ::sinf _LIBCPP_USING_IF_EXISTS;
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using ::sinh _LIBCPP_USING_IF_EXISTS;
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using ::sinhf _LIBCPP_USING_IF_EXISTS;
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using ::nearbyint;
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using ::nearbyintf;
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using ::nextafter;
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using ::nextafterf;
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using ::nexttoward;
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using ::nexttowardf;
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using ::remainder;
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using ::remainderf;
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using ::remquo;
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using ::remquof;
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using ::rint;
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using ::rintf;
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using ::round;
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using ::roundf;
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using ::scalbln;
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using ::scalblnf;
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using ::scalbn;
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using ::scalbnf;
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using ::tgamma;
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using ::tgammaf;
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using ::trunc;
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using ::truncf;
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using ::sqrt _LIBCPP_USING_IF_EXISTS;
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using ::sqrtf _LIBCPP_USING_IF_EXISTS;
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using ::tan _LIBCPP_USING_IF_EXISTS;
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using ::tanf _LIBCPP_USING_IF_EXISTS;
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using ::acosl;
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using ::asinl;
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using ::atanl;
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using ::atan2l;
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using ::ceill;
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using ::cosl;
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using ::coshl;
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using ::expl;
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using ::fabsl;
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using ::floorl;
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using ::fmodl;
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using ::frexpl;
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using ::ldexpl;
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using ::logl;
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using ::log10l;
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using ::modfl;
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using ::powl;
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using ::sinl;
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using ::sinhl;
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using ::sqrtl;
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using ::tanl;
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using ::tanh _LIBCPP_USING_IF_EXISTS;
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using ::tanhf _LIBCPP_USING_IF_EXISTS;
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using ::tanhl;
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||||
using ::acoshl;
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using ::asinhl;
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using ::atanhl;
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using ::cbrtl;
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using ::acosh _LIBCPP_USING_IF_EXISTS;
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using ::acoshf _LIBCPP_USING_IF_EXISTS;
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using ::asinh _LIBCPP_USING_IF_EXISTS;
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using ::asinhf _LIBCPP_USING_IF_EXISTS;
|
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using ::atanh _LIBCPP_USING_IF_EXISTS;
|
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using ::atanhf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::cbrt _LIBCPP_USING_IF_EXISTS;
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using ::cbrtf _LIBCPP_USING_IF_EXISTS;
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|
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using ::copysignl;
|
||||
using ::copysign _LIBCPP_USING_IF_EXISTS;
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||||
using ::copysignf _LIBCPP_USING_IF_EXISTS;
|
||||
|
||||
using ::erfl;
|
||||
using ::erfcl;
|
||||
using ::exp2l;
|
||||
using ::expm1l;
|
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using ::fdiml;
|
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using ::fmal;
|
||||
using ::fmaxl;
|
||||
using ::fminl;
|
||||
using ::hypotl;
|
||||
using ::ilogbl;
|
||||
using ::lgammal;
|
||||
using ::llrintl;
|
||||
using ::llroundl;
|
||||
using ::log1pl;
|
||||
using ::log2l;
|
||||
using ::logbl;
|
||||
using ::lrintl;
|
||||
using ::lroundl;
|
||||
using ::nanl;
|
||||
using ::nearbyintl;
|
||||
using ::nextafterl;
|
||||
using ::nexttowardl;
|
||||
using ::remainderl;
|
||||
using ::remquol;
|
||||
using ::rintl;
|
||||
using ::roundl;
|
||||
using ::scalblnl;
|
||||
using ::scalbnl;
|
||||
using ::tgammal;
|
||||
using ::truncl;
|
||||
using ::erf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::erff _LIBCPP_USING_IF_EXISTS;
|
||||
using ::erfc _LIBCPP_USING_IF_EXISTS;
|
||||
using ::erfcf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::exp2 _LIBCPP_USING_IF_EXISTS;
|
||||
using ::exp2f _LIBCPP_USING_IF_EXISTS;
|
||||
using ::expm1 _LIBCPP_USING_IF_EXISTS;
|
||||
using ::expm1f _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fdim _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fdimf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fmaf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fma _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fmax _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fmaxf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fmin _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fminf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::hypot _LIBCPP_USING_IF_EXISTS;
|
||||
using ::hypotf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::ilogb _LIBCPP_USING_IF_EXISTS;
|
||||
using ::ilogbf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::lgamma _LIBCPP_USING_IF_EXISTS;
|
||||
using ::lgammaf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::llrint _LIBCPP_USING_IF_EXISTS;
|
||||
using ::llrintf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::llround _LIBCPP_USING_IF_EXISTS;
|
||||
using ::llroundf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::log1p _LIBCPP_USING_IF_EXISTS;
|
||||
using ::log1pf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::log2 _LIBCPP_USING_IF_EXISTS;
|
||||
using ::log2f _LIBCPP_USING_IF_EXISTS;
|
||||
using ::logb _LIBCPP_USING_IF_EXISTS;
|
||||
using ::logbf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::lrint _LIBCPP_USING_IF_EXISTS;
|
||||
using ::lrintf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::lround _LIBCPP_USING_IF_EXISTS;
|
||||
using ::lroundf _LIBCPP_USING_IF_EXISTS;
|
||||
|
||||
#if _LIBCPP_STD_VER > 14
|
||||
inline _LIBCPP_INLINE_VISIBILITY float hypot( float x, float y, float z ) { return sqrt(x*x + y*y + z*z); }
|
||||
inline _LIBCPP_INLINE_VISIBILITY double hypot( double x, double y, double z ) { return sqrt(x*x + y*y + z*z); }
|
||||
inline _LIBCPP_INLINE_VISIBILITY long double hypot( long double x, long double y, long double z ) { return sqrt(x*x + y*y + z*z); }
|
||||
using ::nan _LIBCPP_USING_IF_EXISTS;
|
||||
using ::nanf _LIBCPP_USING_IF_EXISTS;
|
||||
|
||||
using ::nearbyint _LIBCPP_USING_IF_EXISTS;
|
||||
using ::nearbyintf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::nextafter _LIBCPP_USING_IF_EXISTS;
|
||||
using ::nextafterf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::nexttoward _LIBCPP_USING_IF_EXISTS;
|
||||
using ::nexttowardf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::remainder _LIBCPP_USING_IF_EXISTS;
|
||||
using ::remainderf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::remquo _LIBCPP_USING_IF_EXISTS;
|
||||
using ::remquof _LIBCPP_USING_IF_EXISTS;
|
||||
using ::rint _LIBCPP_USING_IF_EXISTS;
|
||||
using ::rintf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::round _LIBCPP_USING_IF_EXISTS;
|
||||
using ::roundf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::scalbln _LIBCPP_USING_IF_EXISTS;
|
||||
using ::scalblnf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::scalbn _LIBCPP_USING_IF_EXISTS;
|
||||
using ::scalbnf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::tgamma _LIBCPP_USING_IF_EXISTS;
|
||||
using ::tgammaf _LIBCPP_USING_IF_EXISTS;
|
||||
using ::trunc _LIBCPP_USING_IF_EXISTS;
|
||||
using ::truncf _LIBCPP_USING_IF_EXISTS;
|
||||
|
||||
using ::acosl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::asinl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::atanl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::atan2l _LIBCPP_USING_IF_EXISTS;
|
||||
using ::ceill _LIBCPP_USING_IF_EXISTS;
|
||||
using ::cosl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::coshl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::expl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fabsl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::floorl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fmodl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::frexpl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::ldexpl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::logl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::log10l _LIBCPP_USING_IF_EXISTS;
|
||||
using ::modfl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::powl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::sinl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::sinhl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::sqrtl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::tanl _LIBCPP_USING_IF_EXISTS;
|
||||
|
||||
using ::tanhl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::acoshl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::asinhl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::atanhl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::cbrtl _LIBCPP_USING_IF_EXISTS;
|
||||
|
||||
using ::copysignl _LIBCPP_USING_IF_EXISTS;
|
||||
|
||||
using ::erfl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::erfcl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::exp2l _LIBCPP_USING_IF_EXISTS;
|
||||
using ::expm1l _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fdiml _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fmal _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fmaxl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::fminl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::hypotl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::ilogbl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::lgammal _LIBCPP_USING_IF_EXISTS;
|
||||
using ::llrintl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::llroundl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::log1pl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::log2l _LIBCPP_USING_IF_EXISTS;
|
||||
using ::logbl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::lrintl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::lroundl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::nanl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::nearbyintl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::nextafterl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::nexttowardl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::remainderl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::remquol _LIBCPP_USING_IF_EXISTS;
|
||||
using ::rintl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::roundl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::scalblnl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::scalbnl _LIBCPP_USING_IF_EXISTS;
|
||||
using ::tgammal _LIBCPP_USING_IF_EXISTS;
|
||||
using ::truncl _LIBCPP_USING_IF_EXISTS;
|
||||
|
||||
#if _LIBCPP_STD_VER >= 17
|
||||
inline _LIBCPP_INLINE_VISIBILITY float hypot( float __x, float __y, float __z ) { return sqrt(__x*__x + __y*__y + __z*__z); }
|
||||
inline _LIBCPP_INLINE_VISIBILITY double hypot( double __x, double __y, double __z ) { return sqrt(__x*__x + __y*__y + __z*__z); }
|
||||
inline _LIBCPP_INLINE_VISIBILITY long double hypot( long double __x, long double __y, long double __z ) { return sqrt(__x*__x + __y*__y + __z*__z); }
|
||||
|
||||
template <class _A1, class _A2, class _A3>
|
||||
inline _LIBCPP_INLINE_VISIBILITY
|
||||
typename _EnableIf
|
||||
typename enable_if_t
|
||||
<
|
||||
is_arithmetic<_A1>::value &&
|
||||
is_arithmetic<_A2>::value &&
|
||||
|
|
@ -546,14 +564,14 @@ hypot(_A1 __lcpp_x, _A2 __lcpp_y, _A3 __lcpp_z) _NOEXCEPT
|
|||
static_assert((!(is_same<_A1, __result_type>::value &&
|
||||
is_same<_A2, __result_type>::value &&
|
||||
is_same<_A3, __result_type>::value)), "");
|
||||
return hypot((__result_type)__lcpp_x, (__result_type)__lcpp_y, (__result_type)__lcpp_z);
|
||||
return std::hypot((__result_type)__lcpp_x, (__result_type)__lcpp_y, (__result_type)__lcpp_z);
|
||||
}
|
||||
#endif
|
||||
|
||||
template <class _A1>
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
_LIBCPP_CONSTEXPR typename enable_if<is_floating_point<_A1>::value, bool>::type
|
||||
__libcpp_isnan_or_builtin(_A1 __lcpp_x) _NOEXCEPT
|
||||
__constexpr_isnan(_A1 __lcpp_x) _NOEXCEPT
|
||||
{
|
||||
#if __has_builtin(__builtin_isnan)
|
||||
return __builtin_isnan(__lcpp_x);
|
||||
|
|
@ -565,15 +583,15 @@ __libcpp_isnan_or_builtin(_A1 __lcpp_x) _NOEXCEPT
|
|||
template <class _A1>
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
_LIBCPP_CONSTEXPR typename enable_if<!is_floating_point<_A1>::value, bool>::type
|
||||
__libcpp_isnan_or_builtin(_A1 __lcpp_x) _NOEXCEPT
|
||||
__constexpr_isnan(_A1 __lcpp_x) _NOEXCEPT
|
||||
{
|
||||
return isnan(__lcpp_x);
|
||||
return std::isnan(__lcpp_x);
|
||||
}
|
||||
|
||||
template <class _A1>
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
_LIBCPP_CONSTEXPR typename enable_if<is_floating_point<_A1>::value, bool>::type
|
||||
__libcpp_isinf_or_builtin(_A1 __lcpp_x) _NOEXCEPT
|
||||
__constexpr_isinf(_A1 __lcpp_x) _NOEXCEPT
|
||||
{
|
||||
#if __has_builtin(__builtin_isinf)
|
||||
return __builtin_isinf(__lcpp_x);
|
||||
|
|
@ -585,15 +603,15 @@ __libcpp_isinf_or_builtin(_A1 __lcpp_x) _NOEXCEPT
|
|||
template <class _A1>
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
_LIBCPP_CONSTEXPR typename enable_if<!is_floating_point<_A1>::value, bool>::type
|
||||
__libcpp_isinf_or_builtin(_A1 __lcpp_x) _NOEXCEPT
|
||||
__constexpr_isinf(_A1 __lcpp_x) _NOEXCEPT
|
||||
{
|
||||
return isinf(__lcpp_x);
|
||||
return std::isinf(__lcpp_x);
|
||||
}
|
||||
|
||||
template <class _A1>
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
_LIBCPP_CONSTEXPR typename enable_if<is_floating_point<_A1>::value, bool>::type
|
||||
__libcpp_isfinite_or_builtin(_A1 __lcpp_x) _NOEXCEPT
|
||||
__constexpr_isfinite(_A1 __lcpp_x) _NOEXCEPT
|
||||
{
|
||||
#if __has_builtin(__builtin_isfinite)
|
||||
return __builtin_isfinite(__lcpp_x);
|
||||
|
|
@ -605,69 +623,215 @@ __libcpp_isfinite_or_builtin(_A1 __lcpp_x) _NOEXCEPT
|
|||
template <class _A1>
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
_LIBCPP_CONSTEXPR typename enable_if<!is_floating_point<_A1>::value, bool>::type
|
||||
__libcpp_isfinite_or_builtin(_A1 __lcpp_x) _NOEXCEPT
|
||||
__constexpr_isfinite(_A1 __lcpp_x) _NOEXCEPT
|
||||
{
|
||||
return isfinite(__lcpp_x);
|
||||
return __builtin_isfinite(__lcpp_x);
|
||||
}
|
||||
|
||||
#if _LIBCPP_STD_VER > 17
|
||||
_LIBCPP_CONSTEXPR inline _LIBCPP_HIDE_FROM_ABI float __constexpr_copysign(float __x, float __y) _NOEXCEPT {
|
||||
return __builtin_copysignf(__x, __y);
|
||||
}
|
||||
|
||||
_LIBCPP_CONSTEXPR inline _LIBCPP_HIDE_FROM_ABI double __constexpr_copysign(double __x, double __y) _NOEXCEPT {
|
||||
return __builtin_copysign(__x, __y);
|
||||
}
|
||||
|
||||
_LIBCPP_CONSTEXPR inline _LIBCPP_HIDE_FROM_ABI long double
|
||||
__constexpr_copysign(long double __x, long double __y) _NOEXCEPT {
|
||||
return __builtin_copysignl(__x, __y);
|
||||
}
|
||||
|
||||
template <class _A1, class _A2>
|
||||
_LIBCPP_CONSTEXPR inline _LIBCPP_HIDE_FROM_ABI
|
||||
typename std::__enable_if_t<std::is_arithmetic<_A1>::value && std::is_arithmetic<_A2>::value,
|
||||
std::__promote<_A1, _A2> >::type
|
||||
__constexpr_copysign(_A1 __x, _A2 __y) _NOEXCEPT {
|
||||
typedef typename std::__promote<_A1, _A2>::type __result_type;
|
||||
static_assert((!(std::_IsSame<_A1, __result_type>::value && std::_IsSame<_A2, __result_type>::value)), "");
|
||||
return __builtin_copysign((__result_type)__x, (__result_type)__y);
|
||||
}
|
||||
|
||||
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR float __constexpr_fabs(float __x) _NOEXCEPT {
|
||||
return __builtin_fabsf(__x);
|
||||
}
|
||||
|
||||
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR double __constexpr_fabs(double __x) _NOEXCEPT {
|
||||
return __builtin_fabs(__x);
|
||||
}
|
||||
|
||||
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR long double __constexpr_fabs(long double __x) _NOEXCEPT {
|
||||
return __builtin_fabsl(__x);
|
||||
}
|
||||
|
||||
template <class _Tp, __enable_if_t<is_integral<_Tp>::value, int> = 0>
|
||||
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR double __constexpr_fabs(_Tp __x) _NOEXCEPT {
|
||||
return __builtin_fabs(static_cast<double>(__x));
|
||||
}
|
||||
|
||||
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 float __constexpr_fmax(float __x, float __y) _NOEXCEPT {
|
||||
#if !__has_constexpr_builtin(__builtin_fmaxf)
|
||||
if (__libcpp_is_constant_evaluated()) {
|
||||
if (std::__constexpr_isnan(__x))
|
||||
return __y;
|
||||
if (std::__constexpr_isnan(__y))
|
||||
return __x;
|
||||
return __x < __y ? __y : __x;
|
||||
}
|
||||
#endif
|
||||
return __builtin_fmaxf(__x, __y);
|
||||
}
|
||||
|
||||
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 double __constexpr_fmax(double __x, double __y) _NOEXCEPT {
|
||||
#if !__has_constexpr_builtin(__builtin_fmax)
|
||||
if (__libcpp_is_constant_evaluated()) {
|
||||
if (std::__constexpr_isnan(__x))
|
||||
return __y;
|
||||
if (std::__constexpr_isnan(__y))
|
||||
return __x;
|
||||
return __x < __y ? __y : __x;
|
||||
}
|
||||
#endif
|
||||
return __builtin_fmax(__x, __y);
|
||||
}
|
||||
|
||||
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 long double
|
||||
__constexpr_fmax(long double __x, long double __y) _NOEXCEPT {
|
||||
#if !__has_constexpr_builtin(__builtin_fmaxl)
|
||||
if (__libcpp_is_constant_evaluated()) {
|
||||
if (std::__constexpr_isnan(__x))
|
||||
return __y;
|
||||
if (std::__constexpr_isnan(__y))
|
||||
return __x;
|
||||
return __x < __y ? __y : __x;
|
||||
}
|
||||
#endif
|
||||
return __builtin_fmaxl(__x, __y);
|
||||
}
|
||||
|
||||
template <class _Tp, class _Up, __enable_if_t<is_arithmetic<_Tp>::value && is_arithmetic<_Up>::value, int> = 0>
|
||||
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 typename __promote<_Tp, _Up>::type
|
||||
__constexpr_fmax(_Tp __x, _Up __y) _NOEXCEPT {
|
||||
using __result_type = typename __promote<_Tp, _Up>::type;
|
||||
return std::__constexpr_fmax(static_cast<__result_type>(__x), static_cast<__result_type>(__y));
|
||||
}
|
||||
|
||||
template <class _Tp>
|
||||
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp __constexpr_logb(_Tp __x) {
|
||||
#if !__has_constexpr_builtin(__builtin_logb)
|
||||
if (__libcpp_is_constant_evaluated()) {
|
||||
if (__x == _Tp(0)) {
|
||||
// raise FE_DIVBYZERO
|
||||
return -numeric_limits<_Tp>::infinity();
|
||||
}
|
||||
|
||||
if (std::__constexpr_isinf(__x))
|
||||
return numeric_limits<_Tp>::infinity();
|
||||
|
||||
if (std::__constexpr_isnan(__x))
|
||||
return numeric_limits<_Tp>::quiet_NaN();
|
||||
|
||||
__x = std::__constexpr_fabs(__x);
|
||||
unsigned long long __exp = 0;
|
||||
while (__x >= numeric_limits<_Tp>::radix) {
|
||||
__x /= numeric_limits<_Tp>::radix;
|
||||
__exp += 1;
|
||||
}
|
||||
return _Tp(__exp);
|
||||
}
|
||||
#endif // !__has_constexpr_builtin(__builtin_logb)
|
||||
return __builtin_logb(__x);
|
||||
}
|
||||
|
||||
template <class _Tp>
|
||||
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp __constexpr_scalbn(_Tp __x, int __exp) {
|
||||
#if !__has_constexpr_builtin(__builtin_scalbln)
|
||||
if (__libcpp_is_constant_evaluated()) {
|
||||
if (__x == _Tp(0))
|
||||
return __x;
|
||||
|
||||
if (std::__constexpr_isinf(__x))
|
||||
return __x;
|
||||
|
||||
if (__exp == _Tp(0))
|
||||
return __x;
|
||||
|
||||
if (std::__constexpr_isnan(__x))
|
||||
return numeric_limits<_Tp>::quiet_NaN();
|
||||
|
||||
_Tp __mult(1);
|
||||
if (__exp > 0) {
|
||||
__mult = numeric_limits<_Tp>::radix;
|
||||
--__exp;
|
||||
} else {
|
||||
++__exp;
|
||||
__exp = -__exp;
|
||||
__mult /= numeric_limits<_Tp>::radix;
|
||||
}
|
||||
|
||||
while (__exp > 0) {
|
||||
if (!(__exp & 1)) {
|
||||
__mult *= __mult;
|
||||
__exp >>= 1;
|
||||
} else {
|
||||
__x *= __mult;
|
||||
--__exp;
|
||||
}
|
||||
}
|
||||
return __x;
|
||||
}
|
||||
#endif // !__has_constexpr_builtin(__builtin_scalbln)
|
||||
return __builtin_scalbn(__x, __exp);
|
||||
}
|
||||
|
||||
#if _LIBCPP_STD_VER >= 20
|
||||
template <typename _Fp>
|
||||
constexpr
|
||||
_LIBCPP_HIDE_FROM_ABI constexpr
|
||||
_Fp __lerp(_Fp __a, _Fp __b, _Fp __t) noexcept {
|
||||
if ((__a <= 0 && __b >= 0) || (__a >= 0 && __b <= 0))
|
||||
return __t * __b + (1 - __t) * __a;
|
||||
|
||||
if (__t == 1) return __b;
|
||||
const _Fp __x = __a + __t * (__b - __a);
|
||||
if (__t > 1 == __b > __a)
|
||||
return __b < __x ? __x : __b;
|
||||
if ((__t > 1) == (__b > __a))
|
||||
return __b < __x ? __x : __b;
|
||||
else
|
||||
return __x < __b ? __x : __b;
|
||||
return __x < __b ? __x : __b;
|
||||
}
|
||||
|
||||
constexpr float
|
||||
_LIBCPP_HIDE_FROM_ABI constexpr float
|
||||
lerp(float __a, float __b, float __t) _NOEXCEPT { return __lerp(__a, __b, __t); }
|
||||
|
||||
constexpr double
|
||||
_LIBCPP_HIDE_FROM_ABI constexpr double
|
||||
lerp(double __a, double __b, double __t) _NOEXCEPT { return __lerp(__a, __b, __t); }
|
||||
|
||||
constexpr long double
|
||||
_LIBCPP_HIDE_FROM_ABI constexpr long double
|
||||
lerp(long double __a, long double __b, long double __t) _NOEXCEPT { return __lerp(__a, __b, __t); }
|
||||
|
||||
#endif // _LIBCPP_STD_VER > 17
|
||||
|
||||
template <class _IntT, class _FloatT,
|
||||
bool _FloatBigger = (numeric_limits<_FloatT>::digits > numeric_limits<_IntT>::digits),
|
||||
int _Bits = (numeric_limits<_IntT>::digits - numeric_limits<_FloatT>::digits)>
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
_LIBCPP_CONSTEXPR _IntT __max_representable_int_for_float() _NOEXCEPT {
|
||||
static_assert(is_floating_point<_FloatT>::value, "must be a floating point type");
|
||||
static_assert(is_integral<_IntT>::value, "must be an integral type");
|
||||
static_assert(numeric_limits<_FloatT>::radix == 2, "FloatT has incorrect radix");
|
||||
static_assert((_IsSame<_FloatT, float>::value || _IsSame<_FloatT, double>::value
|
||||
|| _IsSame<_FloatT,long double>::value), "unsupported floating point type");
|
||||
return _FloatBigger ? numeric_limits<_IntT>::max() : (numeric_limits<_IntT>::max() >> _Bits << _Bits);
|
||||
}
|
||||
|
||||
// Convert a floating point number to the specified integral type after
|
||||
// clamping to the integral types representable range.
|
||||
//
|
||||
// The behavior is undefined if `__r` is NaN.
|
||||
template <class _IntT, class _RealT>
|
||||
_LIBCPP_INLINE_VISIBILITY
|
||||
_IntT __clamp_to_integral(_RealT __r) _NOEXCEPT {
|
||||
using _Lim = std::numeric_limits<_IntT>;
|
||||
const _IntT _MaxVal = std::__max_representable_int_for_float<_IntT, _RealT>();
|
||||
if (__r >= ::nextafter(static_cast<_RealT>(_MaxVal), INFINITY)) {
|
||||
return _Lim::max();
|
||||
} else if (__r <= _Lim::lowest()) {
|
||||
return _Lim::min();
|
||||
}
|
||||
return static_cast<_IntT>(__r);
|
||||
template <class _A1, class _A2, class _A3>
|
||||
inline _LIBCPP_HIDE_FROM_ABI
|
||||
constexpr typename enable_if_t
|
||||
<
|
||||
is_arithmetic<_A1>::value &&
|
||||
is_arithmetic<_A2>::value &&
|
||||
is_arithmetic<_A3>::value,
|
||||
__promote<_A1, _A2, _A3>
|
||||
>::type
|
||||
lerp(_A1 __a, _A2 __b, _A3 __t) noexcept
|
||||
{
|
||||
typedef typename __promote<_A1, _A2, _A3>::type __result_type;
|
||||
static_assert(!(_IsSame<_A1, __result_type>::value &&
|
||||
_IsSame<_A2, __result_type>::value &&
|
||||
_IsSame<_A3, __result_type>::value));
|
||||
return std::__lerp((__result_type)__a, (__result_type)__b, (__result_type)__t);
|
||||
}
|
||||
#endif // _LIBCPP_STD_VER >= 20
|
||||
|
||||
_LIBCPP_END_NAMESPACE_STD
|
||||
|
||||
_LIBCPP_POP_MACROS
|
||||
|
||||
#endif // _LIBCPP_CMATH
|
||||
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
|
||||
# include <type_traits>
|
||||
#endif
|
||||
|
||||
#endif // _LIBCPP_CMATH
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue