Remove old code

Signed-off-by: Richard Qin <richard.qin.x@gmail.com>

1 files changed, 0 insertions, 534 deletions

diff --git a/third_party/libcxx/include/c++/v1/math.h b/third_party/libcxx/include/c++/v1/math.h
deleted file mode 100644
index 1db6153..0000000
--- a/third_party/libcxx/include/c++/v1/math.h
+++ /dev/null
@@ -1,534 +0,0 @@
-// -*- C++ -*-
-//===----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef _LIBCPP_MATH_H
-#  define _LIBCPP_MATH_H
-
-/*
-    math.h synopsis
-
-Macros:
-
-    HUGE_VAL
-    HUGE_VALF               // C99
-    HUGE_VALL               // C99
-    INFINITY                // C99
-    NAN                     // C99
-    FP_INFINITE             // C99
-    FP_NAN                  // C99
-    FP_NORMAL               // C99
-    FP_SUBNORMAL            // C99
-    FP_ZERO                 // C99
-    FP_FAST_FMA             // C99
-    FP_FAST_FMAF            // C99
-    FP_FAST_FMAL            // C99
-    FP_ILOGB0               // C99
-    FP_ILOGBNAN             // C99
-    MATH_ERRNO              // C99
-    MATH_ERREXCEPT          // C99
-    math_errhandling        // C99
-
-Types:
-
-    float_t                 // C99
-    double_t                // C99
-
-// C90
-
-floating_point abs(floating_point x);
-
-floating_point acos (arithmetic x);
-float          acosf(float x);
-long double    acosl(long double x);
-
-floating_point asin (arithmetic x);
-float          asinf(float x);
-long double    asinl(long double x);
-
-floating_point atan (arithmetic x);
-float          atanf(float x);
-long double    atanl(long double x);
-
-floating_point atan2 (arithmetic y, arithmetic x);
-float          atan2f(float y, float x);
-long double    atan2l(long double y, long double x);
-
-floating_point ceil (arithmetic x);
-float          ceilf(float x);
-long double    ceill(long double x);
-
-floating_point cos (arithmetic x);
-float          cosf(float x);
-long double    cosl(long double x);
-
-floating_point cosh (arithmetic x);
-float          coshf(float x);
-long double    coshl(long double x);
-
-floating_point exp (arithmetic x);
-float          expf(float x);
-long double    expl(long double x);
-
-floating_point fabs (arithmetic x);
-float          fabsf(float x);
-long double    fabsl(long double x);
-
-floating_point floor (arithmetic x);
-float          floorf(float x);
-long double    floorl(long double x);
-
-floating_point fmod (arithmetic x, arithmetic y);
-float          fmodf(float x, float y);
-long double    fmodl(long double x, long double y);
-
-floating_point frexp (arithmetic value, int* exp);
-float          frexpf(float value, int* exp);
-long double    frexpl(long double value, int* exp);
-
-floating_point ldexp (arithmetic value, int exp);
-float          ldexpf(float value, int exp);
-long double    ldexpl(long double value, int exp);
-
-floating_point log (arithmetic x);
-float          logf(float x);
-long double    logl(long double x);
-
-floating_point log10 (arithmetic x);
-float          log10f(float x);
-long double    log10l(long double x);
-
-floating_point modf (floating_point value, floating_point* iptr);
-float          modff(float value, float* iptr);
-long double    modfl(long double value, long double* iptr);
-
-floating_point pow (arithmetic x, arithmetic y);
-float          powf(float x, float y);
-long double    powl(long double x, long double y);
-
-floating_point sin (arithmetic x);
-float          sinf(float x);
-long double    sinl(long double x);
-
-floating_point sinh (arithmetic x);
-float          sinhf(float x);
-long double    sinhl(long double x);
-
-floating_point sqrt (arithmetic x);
-float          sqrtf(float x);
-long double    sqrtl(long double x);
-
-floating_point tan (arithmetic x);
-float          tanf(float x);
-long double    tanl(long double x);
-
-floating_point tanh (arithmetic x);
-float          tanhf(float x);
-long double    tanhl(long double x);
-
-//  C99
-
-bool signbit(arithmetic x);
-
-int fpclassify(arithmetic x);
-
-bool isfinite(arithmetic x);
-bool isinf(arithmetic x);
-bool isnan(arithmetic x);
-bool isnormal(arithmetic x);
-
-bool isgreater(arithmetic x, arithmetic y);
-bool isgreaterequal(arithmetic x, arithmetic y);
-bool isless(arithmetic x, arithmetic y);
-bool islessequal(arithmetic x, arithmetic y);
-bool islessgreater(arithmetic x, arithmetic y);
-bool isunordered(arithmetic x, arithmetic y);
-
-floating_point acosh (arithmetic x);
-float          acoshf(float x);
-long double    acoshl(long double x);
-
-floating_point asinh (arithmetic x);
-float          asinhf(float x);
-long double    asinhl(long double x);
-
-floating_point atanh (arithmetic x);
-float          atanhf(float x);
-long double    atanhl(long double x);
-
-floating_point cbrt (arithmetic x);
-float          cbrtf(float x);
-long double    cbrtl(long double x);
-
-floating_point copysign (arithmetic x, arithmetic y);
-float          copysignf(float x, float y);
-long double    copysignl(long double x, long double y);
-
-floating_point erf (arithmetic x);
-float          erff(float x);
-long double    erfl(long double x);
-
-floating_point erfc (arithmetic x);
-float          erfcf(float x);
-long double    erfcl(long double x);
-
-floating_point exp2 (arithmetic x);
-float          exp2f(float x);
-long double    exp2l(long double x);
-
-floating_point expm1 (arithmetic x);
-float          expm1f(float x);
-long double    expm1l(long double x);
-
-floating_point fdim (arithmetic x, arithmetic y);
-float          fdimf(float x, float y);
-long double    fdiml(long double x, long double y);
-
-floating_point fma (arithmetic x, arithmetic y, arithmetic z);
-float          fmaf(float x, float y, float z);
-long double    fmal(long double x, long double y, long double z);
-
-floating_point fmax (arithmetic x, arithmetic y);
-float          fmaxf(float x, float y);
-long double    fmaxl(long double x, long double y);
-
-floating_point fmin (arithmetic x, arithmetic y);
-float          fminf(float x, float y);
-long double    fminl(long double x, long double y);
-
-floating_point hypot (arithmetic x, arithmetic y);
-float          hypotf(float x, float y);
-long double    hypotl(long double x, long double y);
-
-int ilogb (arithmetic x);
-int ilogbf(float x);
-int ilogbl(long double x);
-
-floating_point lgamma (arithmetic x);
-float          lgammaf(float x);
-long double    lgammal(long double x);
-
-long long llrint (arithmetic x);
-long long llrintf(float x);
-long long llrintl(long double x);
-
-long long llround (arithmetic x);
-long long llroundf(float x);
-long long llroundl(long double x);
-
-floating_point log1p (arithmetic x);
-float          log1pf(float x);
-long double    log1pl(long double x);
-
-floating_point log2 (arithmetic x);
-float          log2f(float x);
-long double    log2l(long double x);
-
-floating_point logb (arithmetic x);
-float          logbf(float x);
-long double    logbl(long double x);
-
-long lrint (arithmetic x);
-long lrintf(float x);
-long lrintl(long double x);
-
-long lround (arithmetic x);
-long lroundf(float x);
-long lroundl(long double x);
-
-double      nan (const char* str);
-float       nanf(const char* str);
-long double nanl(const char* str);
-
-floating_point nearbyint (arithmetic x);
-float          nearbyintf(float x);
-long double    nearbyintl(long double x);
-
-floating_point nextafter (arithmetic x, arithmetic y);
-float          nextafterf(float x, float y);
-long double    nextafterl(long double x, long double y);
-
-floating_point nexttoward (arithmetic x, long double y);
-float          nexttowardf(float x, long double y);
-long double    nexttowardl(long double x, long double y);
-
-floating_point remainder (arithmetic x, arithmetic y);
-float          remainderf(float x, float y);
-long double    remainderl(long double x, long double y);
-
-floating_point remquo (arithmetic x, arithmetic y, int* pquo);
-float          remquof(float x, float y, int* pquo);
-long double    remquol(long double x, long double y, int* pquo);
-
-floating_point rint (arithmetic x);
-float          rintf(float x);
-long double    rintl(long double x);
-
-floating_point round (arithmetic x);
-float          roundf(float x);
-long double    roundl(long double x);
-
-floating_point scalbln (arithmetic x, long ex);
-float          scalblnf(float x, long ex);
-long double    scalblnl(long double x, long ex);
-
-floating_point scalbn (arithmetic x, int ex);
-float          scalbnf(float x, int ex);
-long double    scalbnl(long double x, int ex);
-
-floating_point tgamma (arithmetic x);
-float          tgammaf(float x);
-long double    tgammal(long double x);
-
-floating_point trunc (arithmetic x);
-float          truncf(float x);
-long double    truncl(long double x);
-
-*/
-
-#  if defined(__cplusplus) && __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
-#    include <__cxx03/math.h>
-#  else
-#    include <__config>
-
-#    if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#      pragma GCC system_header
-#    endif
-
-#    if __has_include_next(<math.h>)
-#      include_next <math.h>
-#    endif
-
-#    ifdef __cplusplus
-
-// We support including .h headers inside 'extern "C"' contexts, so switch
-// back to C++ linkage before including these C++ headers.
-extern "C++" {
-
-#      ifdef fpclassify
-#        undef fpclassify
-#      endif
-
-#      ifdef signbit
-#        undef signbit
-#      endif
-
-#      ifdef isfinite
-#        undef isfinite
-#      endif
-
-#      ifdef isinf
-#        undef isinf
-#      endif
-
-#      ifdef isnan
-#        undef isnan
-#      endif
-
-#      ifdef isnormal
-#        undef isnormal
-#      endif
-
-#      ifdef isgreater
-#        undef isgreater
-#      endif
-
-#      ifdef isgreaterequal
-#        undef isgreaterequal
-#      endif
-
-#      ifdef isless
-#        undef isless
-#      endif
-
-#      ifdef islessequal
-#        undef islessequal
-#      endif
-
-#      ifdef islessgreater
-#        undef islessgreater
-#      endif
-
-#      ifdef isunordered
-#        undef isunordered
-#      endif
-
-#      include <__math/abs.h>
-#      include <__math/copysign.h>
-#      include <__math/error_functions.h>
-#      include <__math/exponential_functions.h>
-#      include <__math/fdim.h>
-#      include <__math/fma.h>
-#      include <__math/gamma.h>
-#      include <__math/hyperbolic_functions.h>
-#      include <__math/hypot.h>
-#      include <__math/inverse_hyperbolic_functions.h>
-#      include <__math/inverse_trigonometric_functions.h>
-#      include <__math/logarithms.h>
-#      include <__math/min_max.h>
-#      include <__math/modulo.h>
-#      include <__math/remainder.h>
-#      include <__math/roots.h>
-#      include <__math/rounding_functions.h>
-#      include <__math/traits.h>
-#      include <__math/trigonometric_functions.h>
-#      include <__type_traits/enable_if.h>
-#      include <__type_traits/is_integral.h>
-
-// fpclassify relies on implementation-defined constants, so we can't move it to a detail header
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-namespace __math {
-
-// fpclassify
-
-// template on non-double overloads to make them weaker than same overloads from MSVC runtime
-template <class = int>
-[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI int fpclassify(float __x) _NOEXCEPT {
-  return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL, FP_ZERO, __x);
-}
-
-template <class = int>
-[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI int fpclassify(double __x) _NOEXCEPT {
-  return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL, FP_ZERO, __x);
-}
-
-template <class = int>
-[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI int fpclassify(long double __x) _NOEXCEPT {
-  return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL, FP_ZERO, __x);
-}
-
-template <class _A1, std::__enable_if_t<std::is_integral<_A1>::value, int> = 0>
-[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI int fpclassify(_A1 __x) _NOEXCEPT {
-  return __x == 0 ? FP_ZERO : FP_NORMAL;
-}
-
-} // namespace __math
-
-_LIBCPP_END_NAMESPACE_STD
-
-using std::__math::fpclassify;
-using std::__math::signbit;
-
-// The MSVC runtime already provides these functions as templates
-#      ifndef _LIBCPP_MSVCRT
-using std::__math::isfinite;
-using std::__math::isgreater;
-using std::__math::isgreaterequal;
-using std::__math::isinf;
-using std::__math::isless;
-using std::__math::islessequal;
-using std::__math::islessgreater;
-using std::__math::isnan;
-using std::__math::isnormal;
-using std::__math::isunordered;
-#      endif // _LIBCPP_MSVCRT
-
-#      if defined(_LIBCPP_MSVCRT) && _LIBCPP_STD_VER >= 20
-// MS UCRT incorrectly defines some functions in a way not working with integer types. Until C++20, this was worked
-// around by -fdelayed-template-parsing. Since C++20, we can use standard feature "requires" instead.
-
-// TODO: Remove the workaround once UCRT fixes these functions. Note that this doesn't seem planned as of 2025-07 per
-// https://developercommunity.visualstudio.com/t/10294165.
-
-using std::__math::__ucrt::isfinite;
-using std::__math::__ucrt::isgreater;
-using std::__math::__ucrt::isgreaterequal;
-using std::__math::__ucrt::isinf;
-using std::__math::__ucrt::isless;
-using std::__math::__ucrt::islessequal;
-using std::__math::__ucrt::islessgreater;
-using std::__math::__ucrt::isnan;
-using std::__math::__ucrt::isnormal;
-using std::__math::__ucrt::isunordered;
-#      endif // defined(_LIBCPP_MSVCRT) && _LIBCPP_STD_VER >= 20
-
-// We have to provide double overloads for <math.h> to work on platforms that don't provide the full set of math
-// functions. To make the overload set work with multiple functions that take the same arguments, we make our overloads
-// templates. Functions are preferred over function templates during overload resolution, which means that our overload
-// will only be selected when the C library doesn't provide one.
-
-using std::__math::abs;
-using std::__math::acos;
-using std::__math::acosh;
-using std::__math::asin;
-using std::__math::asinh;
-using std::__math::atan;
-using std::__math::atan2;
-using std::__math::atanh;
-using std::__math::cbrt;
-using std::__math::ceil;
-using std::__math::copysign;
-using std::__math::cos;
-using std::__math::cosh;
-using std::__math::erf;
-using std::__math::erfc;
-using std::__math::exp;
-using std::__math::exp2;
-using std::__math::expm1;
-using std::__math::fabs;
-using std::__math::fdim;
-using std::__math::floor;
-using std::__math::fma;
-using std::__math::fmax;
-using std::__math::fmin;
-using std::__math::fmod;
-using std::__math::frexp;
-using std::__math::hypot;
-using std::__math::ilogb;
-using std::__math::ldexp;
-using std::__math::lgamma;
-using std::__math::llrint;
-using std::__math::llround;
-using std::__math::log;
-using std::__math::log10;
-using std::__math::log1p;
-using std::__math::log2;
-using std::__math::logb;
-using std::__math::lrint;
-using std::__math::lround;
-using std::__math::modf;
-using std::__math::nearbyint;
-using std::__math::nextafter;
-using std::__math::nexttoward;
-using std::__math::pow;
-using std::__math::remainder;
-using std::__math::remquo;
-using std::__math::rint;
-using std::__math::round;
-using std::__math::scalbln;
-using std::__math::scalbn;
-using std::__math::signbit;
-using std::__math::sin;
-using std::__math::sinh;
-using std::__math::sqrt;
-using std::__math::tan;
-using std::__math::tanh;
-using std::__math::tgamma;
-using std::__math::trunc;
-
-} // extern "C++"
-
-#    endif // __cplusplus
-#  endif   // defined(__cplusplus) && __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
-
-#else // _LIBCPP_MATH_H
-
-// This include lives outside the header guard in order to support an MSVC
-// extension which allows users to do:
-//
-// #define _USE_MATH_DEFINES
-// #include <math.h>
-//
-// and receive the definitions of mathematical constants, even if <math.h>
-// has previously been included.
-#  if defined(_LIBCPP_MSVCRT) && defined(_USE_MATH_DEFINES)
-#    include_next <math.h>
-#  endif
-
-#endif // _LIBCPP_MATH_H