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-rw-r--r--tests/libcxx/include/ratio441
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diff --git a/tests/libcxx/include/ratio b/tests/libcxx/include/ratio
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-// -*- C++ -*-
-//===---------------------------- ratio -----------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef _LIBCPP_RATIO
-#define _LIBCPP_RATIO
-
-/*
- ratio synopsis
-
-namespace std
-{
-
-template <intmax_t N, intmax_t D = 1>
-class ratio
-{
-public:
- static const intmax_t num;
- static const intmax_t den;
- typedef ratio<num, den> type;
-};
-
-// ratio arithmetic
-template <class R1, class R2> using ratio_add = ...;
-template <class R1, class R2> using ratio_subtract = ...;
-template <class R1, class R2> using ratio_multiply = ...;
-template <class R1, class R2> using ratio_divide = ...;
-
-// ratio comparison
-template <class R1, class R2> struct ratio_equal;
-template <class R1, class R2> struct ratio_not_equal;
-template <class R1, class R2> struct ratio_less;
-template <class R1, class R2> struct ratio_less_equal;
-template <class R1, class R2> struct ratio_greater;
-template <class R1, class R2> struct ratio_greater_equal;
-
-// convenience SI typedefs
-typedef ratio<1, 1000000000000000000000000> yocto; // not supported
-typedef ratio<1, 1000000000000000000000> zepto; // not supported
-typedef ratio<1, 1000000000000000000> atto;
-typedef ratio<1, 1000000000000000> femto;
-typedef ratio<1, 1000000000000> pico;
-typedef ratio<1, 1000000000> nano;
-typedef ratio<1, 1000000> micro;
-typedef ratio<1, 1000> milli;
-typedef ratio<1, 100> centi;
-typedef ratio<1, 10> deci;
-typedef ratio< 10, 1> deca;
-typedef ratio< 100, 1> hecto;
-typedef ratio< 1000, 1> kilo;
-typedef ratio< 1000000, 1> mega;
-typedef ratio< 1000000000, 1> giga;
-typedef ratio< 1000000000000, 1> tera;
-typedef ratio< 1000000000000000, 1> peta;
-typedef ratio< 1000000000000000000, 1> exa;
-typedef ratio< 1000000000000000000000, 1> zetta; // not supported
-typedef ratio<1000000000000000000000000, 1> yotta; // not supported
-
-}
-*/
-
-#include <__config>
-#include <cstdint>
-#include <climits>
-#include <type_traits>
-
-#pragma GCC system_header
-
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-// __static_gcd
-
-template <intmax_t _Xp, intmax_t _Yp>
-struct __static_gcd
-{
- static const intmax_t value = __static_gcd<_Yp, _Xp % _Yp>::value;
-};
-
-template <intmax_t _Xp>
-struct __static_gcd<_Xp, 0>
-{
- static const intmax_t value = _Xp;
-};
-
-// __static_lcm
-
-template <intmax_t _Xp, intmax_t _Yp>
-struct __static_lcm
-{
- static const intmax_t value = _Xp / __static_gcd<_Xp, _Yp>::value * _Yp;
-};
-
-template <intmax_t _Xp>
-struct __static_abs
-{
- static const intmax_t value = _Xp < 0 ? -_Xp : _Xp;
-};
-
-template <intmax_t _Xp>
-struct __static_sign
-{
- static const intmax_t value = _Xp == 0 ? 0 : (_Xp < 0 ? -1 : 1);
-};
-
-template <intmax_t _Xp, intmax_t _Yp, intmax_t = __static_sign<_Yp>::value>
-class __ll_add;
-
-template <intmax_t _Xp, intmax_t _Yp>
-class __ll_add<_Xp, _Yp, 1>
-{
- static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1;
- static const intmax_t max = -min;
-
- static_assert(_Xp <= max - _Yp, "overflow in __ll_add");
-public:
- static const intmax_t value = _Xp + _Yp;
-};
-
-template <intmax_t _Xp, intmax_t _Yp>
-class __ll_add<_Xp, _Yp, 0>
-{
-public:
- static const intmax_t value = _Xp;
-};
-
-template <intmax_t _Xp, intmax_t _Yp>
-class __ll_add<_Xp, _Yp, -1>
-{
- static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1;
- static const intmax_t max = -min;
-
- static_assert(min - _Yp <= _Xp, "overflow in __ll_add");
-public:
- static const intmax_t value = _Xp + _Yp;
-};
-
-template <intmax_t _Xp, intmax_t _Yp, intmax_t = __static_sign<_Yp>::value>
-class __ll_sub;
-
-template <intmax_t _Xp, intmax_t _Yp>
-class __ll_sub<_Xp, _Yp, 1>
-{
- static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1;
- static const intmax_t max = -min;
-
- static_assert(min + _Yp <= _Xp, "overflow in __ll_sub");
-public:
- static const intmax_t value = _Xp - _Yp;
-};
-
-template <intmax_t _Xp, intmax_t _Yp>
-class __ll_sub<_Xp, _Yp, 0>
-{
-public:
- static const intmax_t value = _Xp;
-};
-
-template <intmax_t _Xp, intmax_t _Yp>
-class __ll_sub<_Xp, _Yp, -1>
-{
- static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1;
- static const intmax_t max = -min;
-
- static_assert(_Xp <= max + _Yp, "overflow in __ll_sub");
-public:
- static const intmax_t value = _Xp - _Yp;
-};
-
-template <intmax_t _Xp, intmax_t _Yp>
-class __ll_mul
-{
- static const intmax_t nan = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1));
- static const intmax_t min = nan + 1;
- static const intmax_t max = -min;
- static const intmax_t __a_x = __static_abs<_Xp>::value;
- static const intmax_t __a_y = __static_abs<_Yp>::value;
-
- static_assert(_Xp != nan && _Yp != nan && __a_x <= max / __a_y, "overflow in __ll_mul");
-public:
- static const intmax_t value = _Xp * _Yp;
-};
-
-template <intmax_t _Yp>
-class __ll_mul<0, _Yp>
-{
-public:
- static const intmax_t value = 0;
-};
-
-template <intmax_t _Xp>
-class __ll_mul<_Xp, 0>
-{
-public:
- static const intmax_t value = 0;
-};
-
-template <>
-class __ll_mul<0, 0>
-{
-public:
- static const intmax_t value = 0;
-};
-
-// Not actually used but left here in case needed in future maintenance
-template <intmax_t _Xp, intmax_t _Yp>
-class __ll_div
-{
- static const intmax_t nan = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1));
- static const intmax_t min = nan + 1;
- static const intmax_t max = -min;
-
- static_assert(_Xp != nan && _Yp != nan && _Yp != 0, "overflow in __ll_div");
-public:
- static const intmax_t value = _Xp / _Yp;
-};
-
-template <intmax_t _Num, intmax_t _Den = 1>
-class _LIBCPP_VISIBLE ratio
-{
- static_assert(__static_abs<_Num>::value >= 0, "ratio numerator is out of range");
- static_assert(_Den != 0, "ratio divide by 0");
- static_assert(__static_abs<_Den>::value > 0, "ratio denominator is out of range");
- static const intmax_t __na = __static_abs<_Num>::value;
- static const intmax_t __da = __static_abs<_Den>::value;
- static const intmax_t __s = __static_sign<_Num>::value * __static_sign<_Den>::value;
- static const intmax_t __gcd = __static_gcd<__na, __da>::value;
-public:
- static const intmax_t num = __s * __na / __gcd;
- static const intmax_t den = __da / __gcd;
-
- typedef ratio<num, den> type;
-};
-
-template <intmax_t _Num, intmax_t _Den> const intmax_t ratio<_Num, _Den>::num;
-template <intmax_t _Num, intmax_t _Den> const intmax_t ratio<_Num, _Den>::den;
-
-template <class _Tp> struct __is_ratio : false_type {};
-template <intmax_t _Num, intmax_t _Den> struct __is_ratio<ratio<_Num, _Den> > : true_type {};
-
-typedef ratio<1LL, 1000000000000000000LL> atto;
-typedef ratio<1LL, 1000000000000000LL> femto;
-typedef ratio<1LL, 1000000000000LL> pico;
-typedef ratio<1LL, 1000000000LL> nano;
-typedef ratio<1LL, 1000000LL> micro;
-typedef ratio<1LL, 1000LL> milli;
-typedef ratio<1LL, 100LL> centi;
-typedef ratio<1LL, 10LL> deci;
-typedef ratio< 10LL, 1LL> deca;
-typedef ratio< 100LL, 1LL> hecto;
-typedef ratio< 1000LL, 1LL> kilo;
-typedef ratio< 1000000LL, 1LL> mega;
-typedef ratio< 1000000000LL, 1LL> giga;
-typedef ratio< 1000000000000LL, 1LL> tera;
-typedef ratio< 1000000000000000LL, 1LL> peta;
-typedef ratio<1000000000000000000LL, 1LL> exa;
-
-template <class _R1, class _R2>
-struct __ratio_multiply
-{
-private:
- static const intmax_t __gcd_n1_d2 = __static_gcd<_R1::num, _R2::den>::value;
- static const intmax_t __gcd_d1_n2 = __static_gcd<_R1::den, _R2::num>::value;
-public:
- typedef typename ratio
- <
- __ll_mul<_R1::num / __gcd_n1_d2, _R2::num / __gcd_d1_n2>::value,
- __ll_mul<_R2::den / __gcd_n1_d2, _R1::den / __gcd_d1_n2>::value
- >::type type;
-};
-
-template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_multiply
- : public __ratio_multiply<_R1, _R2>::type {};
-
-template <class _R1, class _R2>
-struct __ratio_divide
-{
-private:
- static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value;
- static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value;
-public:
- typedef typename ratio
- <
- __ll_mul<_R1::num / __gcd_n1_n2, _R2::den / __gcd_d1_d2>::value,
- __ll_mul<_R2::num / __gcd_n1_n2, _R1::den / __gcd_d1_d2>::value
- >::type type;
-};
-
-template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_divide
- : public __ratio_divide<_R1, _R2>::type {};
-
-template <class _R1, class _R2>
-struct __ratio_add
-{
-private:
- static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value;
- static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value;
-public:
- typedef typename ratio_multiply
- <
- ratio<__gcd_n1_n2, _R1::den / __gcd_d1_d2>,
- ratio
- <
- __ll_add
- <
- __ll_mul<_R1::num / __gcd_n1_n2, _R2::den / __gcd_d1_d2>::value,
- __ll_mul<_R2::num / __gcd_n1_n2, _R1::den / __gcd_d1_d2>::value
- >::value,
- _R2::den
- >
- >::type type;
-};
-
-template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_add
- : public __ratio_add<_R1, _R2>::type {};
-
-template <class _R1, class _R2>
-struct __ratio_subtract
-{
-private:
- static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value;
- static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value;
-public:
- typedef typename ratio_multiply
- <
- ratio<__gcd_n1_n2, _R1::den / __gcd_d1_d2>,
- ratio
- <
- __ll_sub
- <
- __ll_mul<_R1::num / __gcd_n1_n2, _R2::den / __gcd_d1_d2>::value,
- __ll_mul<_R2::num / __gcd_n1_n2, _R1::den / __gcd_d1_d2>::value
- >::value,
- _R2::den
- >
- >::type type;
-};
-
-template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_subtract
- : public __ratio_subtract<_R1, _R2>::type {};
-
-// ratio_equal
-
-template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_equal
- : public integral_constant<bool, _R1::num == _R2::num && _R1::den == _R2::den> {};
-
-template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_not_equal
- : public integral_constant<bool, !ratio_equal<_R1, _R2>::value> {};
-
-// ratio_less
-
-template <class _R1, class _R2, bool _Odd = false,
- intmax_t _Q1 = _R1::num / _R1::den, intmax_t _M1 = _R1::num % _R1::den,
- intmax_t _Q2 = _R2::num / _R2::den, intmax_t _M2 = _R2::num % _R2::den>
-struct __ratio_less1
-{
- static const bool value = _Odd ? _Q2 < _Q1 : _Q1 < _Q2;
-};
-
-template <class _R1, class _R2, bool _Odd, intmax_t _Q>
-struct __ratio_less1<_R1, _R2, _Odd, _Q, 0, _Q, 0>
-{
- static const bool value = false;
-};
-
-template <class _R1, class _R2, bool _Odd, intmax_t _Q, intmax_t _M2>
-struct __ratio_less1<_R1, _R2, _Odd, _Q, 0, _Q, _M2>
-{
- static const bool value = !_Odd;
-};
-
-template <class _R1, class _R2, bool _Odd, intmax_t _Q, intmax_t _M1>
-struct __ratio_less1<_R1, _R2, _Odd, _Q, _M1, _Q, 0>
-{
- static const bool value = _Odd;
-};
-
-template <class _R1, class _R2, bool _Odd, intmax_t _Q, intmax_t _M1,
- intmax_t _M2>
-struct __ratio_less1<_R1, _R2, _Odd, _Q, _M1, _Q, _M2>
-{
- static const bool value = __ratio_less1<ratio<_R1::den, _M1>,
- ratio<_R2::den, _M2>, !_Odd>::value;
-};
-
-template <class _R1, class _R2, intmax_t _S1 = __static_sign<_R1::num>::value,
- intmax_t _S2 = __static_sign<_R2::num>::value>
-struct __ratio_less
-{
- static const bool value = _S1 < _S2;
-};
-
-template <class _R1, class _R2>
-struct __ratio_less<_R1, _R2, 1LL, 1LL>
-{
- static const bool value = __ratio_less1<_R1, _R2>::value;
-};
-
-template <class _R1, class _R2>
-struct __ratio_less<_R1, _R2, -1LL, -1LL>
-{
- static const bool value = __ratio_less1<ratio<-_R2::num, _R2::den>, ratio<-_R1::num, _R1::den> >::value;
-};
-
-template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_less
- : public integral_constant<bool, __ratio_less<_R1, _R2>::value> {};
-
-template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_less_equal
- : public integral_constant<bool, !ratio_less<_R2, _R1>::value> {};
-
-template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_greater
- : public integral_constant<bool, ratio_less<_R2, _R1>::value> {};
-
-template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_greater_equal
- : public integral_constant<bool, !ratio_less<_R1, _R2>::value> {};
-
-template <class _R1, class _R2>
-struct __ratio_gcd
-{
- typedef ratio<__static_gcd<_R1::num, _R2::num>::value,
- __static_lcm<_R1::den, _R2::den>::value> type;
-};
-
-_LIBCPP_END_NAMESPACE_STD
-
-#endif // _LIBCPP_RATIO
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