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Diffstat (limited to 'lib/libcxx/include/numeric')
| -rw-r--r-- | lib/libcxx/include/numeric | 527 |
1 files changed, 0 insertions, 527 deletions
diff --git a/lib/libcxx/include/numeric b/lib/libcxx/include/numeric deleted file mode 100644 index 4e68239d059..00000000000 --- a/lib/libcxx/include/numeric +++ /dev/null @@ -1,527 +0,0 @@ -// -*- C++ -*- -//===---------------------------- numeric ---------------------------------===// -// -// 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_NUMERIC -#define _LIBCPP_NUMERIC - -/* - numeric synopsis - -namespace std -{ - -template <class InputIterator, class T> - T - accumulate(InputIterator first, InputIterator last, T init); - -template <class InputIterator, class T, class BinaryOperation> - T - accumulate(InputIterator first, InputIterator last, T init, BinaryOperation binary_op); - -template<class InputIterator> - typename iterator_traits<InputIterator>::value_type - reduce(InputIterator first, InputIterator last); // C++17 - -template<class InputIterator, class T> - T - reduce(InputIterator first, InputIterator last, T init); // C++17 - -template<class InputIterator, class T, class BinaryOperation> - T - reduce(InputIterator first, InputIterator last, T init, BinaryOperation binary_op); // C++17 - -template <class InputIterator1, class InputIterator2, class T> - T - inner_product(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, T init); - -template <class InputIterator1, class InputIterator2, class T, class BinaryOperation1, class BinaryOperation2> - T - inner_product(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, - T init, BinaryOperation1 binary_op1, BinaryOperation2 binary_op2); - - -template<class InputIterator1, class InputIterator2, class T> - T - transform_reduce(InputIterator1 first1, InputIterator1 last1, - InputIterator2 first2, T init); // C++17 - -template<class InputIterator1, class InputIterator2, class T, class BinaryOperation1, class BinaryOperation2> - T - transform_reduce(InputIterator1 first1, InputIterator1 last1, - InputIterator2 first2, T init, - BinaryOperation1 binary_op1, BinaryOperation2 binary_op2); // C++17 - -template<class InputIterator, class T, class BinaryOperation, class UnaryOperation> - T - transform_reduce(InputIterator first, InputIterator last, T init, - BinaryOperation binary_op, UnaryOperation unary_op); // C++17 - -template <class InputIterator, class OutputIterator> - OutputIterator - partial_sum(InputIterator first, InputIterator last, OutputIterator result); - -template <class InputIterator, class OutputIterator, class BinaryOperation> - OutputIterator - partial_sum(InputIterator first, InputIterator last, OutputIterator result, BinaryOperation binary_op); - -template<class InputIterator, class OutputIterator, class T> - OutputIterator - exclusive_scan(InputIterator first, InputIterator last, - OutputIterator result, T init); // C++17 - -template<class InputIterator, class OutputIterator, class T, class BinaryOperation> - OutputIterator - exclusive_scan(InputIterator first, InputIterator last, - OutputIterator result, T init, BinaryOperation binary_op); // C++17 - -template<class InputIterator, class OutputIterator> - OutputIterator - inclusive_scan(InputIterator first, InputIterator last, OutputIterator result); // C++17 - -template<class InputIterator, class OutputIterator, class BinaryOperation> - OutputIterator - inclusive_scan(InputIterator first, InputIterator last, - OutputIterator result, BinaryOperation binary_op); // C++17 - -template<class InputIterator, class OutputIterator, class BinaryOperation, class T> - OutputIterator - inclusive_scan(InputIterator first, InputIterator last, - OutputIterator result, BinaryOperation binary_op, T init); // C++17 - -template<class InputIterator, class OutputIterator, class T, - class BinaryOperation, class UnaryOperation> - OutputIterator - transform_exclusive_scan(InputIterator first, InputIterator last, - OutputIterator result, T init, - BinaryOperation binary_op, UnaryOperation unary_op); // C++17 - -template<class InputIterator, class OutputIterator, - class BinaryOperation, class UnaryOperation> - OutputIterator - transform_inclusive_scan(InputIterator first, InputIterator last, - OutputIterator result, - BinaryOperation binary_op, UnaryOperation unary_op); // C++17 - -template<class InputIterator, class OutputIterator, - class BinaryOperation, class UnaryOperation, class T> - OutputIterator - transform_inclusive_scan(InputIterator first, InputIterator last, - OutputIterator result, - BinaryOperation binary_op, UnaryOperation unary_op, - T init); // C++17 - -template <class InputIterator, class OutputIterator> - OutputIterator - adjacent_difference(InputIterator first, InputIterator last, OutputIterator result); - -template <class InputIterator, class OutputIterator, class BinaryOperation> - OutputIterator - adjacent_difference(InputIterator first, InputIterator last, OutputIterator result, BinaryOperation binary_op); - -template <class ForwardIterator, class T> - void iota(ForwardIterator first, ForwardIterator last, T value); - -template <class M, class N> - constexpr common_type_t<M,N> gcd(M m, N n); // C++17 - -template <class M, class N> - constexpr common_type_t<M,N> lcm(M m, N n); // C++17 - -} // std - -*/ - -#include <__config> -#include <iterator> -#include <limits> // for numeric_limits -#include <functional> -#include <version> - -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -#pragma GCC system_header -#endif - -_LIBCPP_PUSH_MACROS -#include <__undef_macros> - -_LIBCPP_BEGIN_NAMESPACE_STD - -template <class _InputIterator, class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -accumulate(_InputIterator __first, _InputIterator __last, _Tp __init) -{ - for (; __first != __last; ++__first) - __init = __init + *__first; - return __init; -} - -template <class _InputIterator, class _Tp, class _BinaryOperation> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -accumulate(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOperation __binary_op) -{ - for (; __first != __last; ++__first) - __init = __binary_op(__init, *__first); - return __init; -} - -#if _LIBCPP_STD_VER > 14 -template <class _InputIterator, class _Tp, class _BinaryOp> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -reduce(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOp __b) -{ - for (; __first != __last; ++__first) - __init = __b(__init, *__first); - return __init; -} - -template <class _InputIterator, class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -reduce(_InputIterator __first, _InputIterator __last, _Tp __init) -{ - return _VSTD::reduce(__first, __last, __init, _VSTD::plus<>()); -} - -template <class _InputIterator> -inline _LIBCPP_INLINE_VISIBILITY -typename iterator_traits<_InputIterator>::value_type -reduce(_InputIterator __first, _InputIterator __last) -{ - return _VSTD::reduce(__first, __last, - typename iterator_traits<_InputIterator>::value_type{}); -} -#endif - -template <class _InputIterator1, class _InputIterator2, class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -inner_product(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _Tp __init) -{ - for (; __first1 != __last1; ++__first1, (void) ++__first2) - __init = __init + *__first1 * *__first2; - return __init; -} - -template <class _InputIterator1, class _InputIterator2, class _Tp, class _BinaryOperation1, class _BinaryOperation2> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -inner_product(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, - _Tp __init, _BinaryOperation1 __binary_op1, _BinaryOperation2 __binary_op2) -{ - for (; __first1 != __last1; ++__first1, (void) ++__first2) - __init = __binary_op1(__init, __binary_op2(*__first1, *__first2)); - return __init; -} - -#if _LIBCPP_STD_VER > 14 -template <class _InputIterator, class _Tp, class _BinaryOp, class _UnaryOp> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -transform_reduce(_InputIterator __first, _InputIterator __last, - _Tp __init, _BinaryOp __b, _UnaryOp __u) -{ - for (; __first != __last; ++__first) - __init = __b(__init, __u(*__first)); - return __init; -} - -template <class _InputIterator1, class _InputIterator2, - class _Tp, class _BinaryOp1, class _BinaryOp2> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -transform_reduce(_InputIterator1 __first1, _InputIterator1 __last1, - _InputIterator2 __first2, _Tp __init, _BinaryOp1 __b1, _BinaryOp2 __b2) -{ - for (; __first1 != __last1; ++__first1, (void) ++__first2) - __init = __b1(__init, __b2(*__first1, *__first2)); - return __init; -} - -template <class _InputIterator1, class _InputIterator2, class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -transform_reduce(_InputIterator1 __first1, _InputIterator1 __last1, - _InputIterator2 __first2, _Tp __init) -{ - return _VSTD::transform_reduce(__first1, __last1, __first2, _VSTD::move(__init), - _VSTD::plus<>(), _VSTD::multiplies<>()); -} -#endif - -template <class _InputIterator, class _OutputIterator> -inline _LIBCPP_INLINE_VISIBILITY -_OutputIterator -partial_sum(_InputIterator __first, _InputIterator __last, _OutputIterator __result) -{ - if (__first != __last) - { - typename iterator_traits<_InputIterator>::value_type __t(*__first); - *__result = __t; - for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result) - { - __t = __t + *__first; - *__result = __t; - } - } - return __result; -} - -template <class _InputIterator, class _OutputIterator, class _BinaryOperation> -inline _LIBCPP_INLINE_VISIBILITY -_OutputIterator -partial_sum(_InputIterator __first, _InputIterator __last, _OutputIterator __result, - _BinaryOperation __binary_op) -{ - if (__first != __last) - { - typename iterator_traits<_InputIterator>::value_type __t(*__first); - *__result = __t; - for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result) - { - __t = __binary_op(__t, *__first); - *__result = __t; - } - } - return __result; -} - -#if _LIBCPP_STD_VER > 14 -template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp> -inline _LIBCPP_INLINE_VISIBILITY -_OutputIterator -exclusive_scan(_InputIterator __first, _InputIterator __last, - _OutputIterator __result, _Tp __init, _BinaryOp __b) -{ - if (__first != __last) - { - _Tp __saved = __init; - do - { - __init = __b(__init, *__first); - *__result = __saved; - __saved = __init; - ++__result; - } while (++__first != __last); - } - return __result; -} - -template <class _InputIterator, class _OutputIterator, class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -_OutputIterator -exclusive_scan(_InputIterator __first, _InputIterator __last, - _OutputIterator __result, _Tp __init) -{ - return _VSTD::exclusive_scan(__first, __last, __result, __init, _VSTD::plus<>()); -} - -template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp> -_OutputIterator inclusive_scan(_InputIterator __first, _InputIterator __last, - _OutputIterator __result, _BinaryOp __b, _Tp __init) -{ - for (; __first != __last; ++__first, (void) ++__result) { - __init = __b(__init, *__first); - *__result = __init; - } - return __result; -} - -template <class _InputIterator, class _OutputIterator, class _BinaryOp> -_OutputIterator inclusive_scan(_InputIterator __first, _InputIterator __last, - _OutputIterator __result, _BinaryOp __b) -{ - if (__first != __last) { - typename std::iterator_traits<_InputIterator>::value_type __init = *__first; - *__result++ = __init; - if (++__first != __last) - return _VSTD::inclusive_scan(__first, __last, __result, __b, __init); - } - - return __result; -} - -template <class _InputIterator, class _OutputIterator> -_OutputIterator inclusive_scan(_InputIterator __first, _InputIterator __last, - _OutputIterator __result) -{ - return _VSTD::inclusive_scan(__first, __last, __result, std::plus<>()); -} - -template <class _InputIterator, class _OutputIterator, class _Tp, - class _BinaryOp, class _UnaryOp> -inline _LIBCPP_INLINE_VISIBILITY -_OutputIterator -transform_exclusive_scan(_InputIterator __first, _InputIterator __last, - _OutputIterator __result, _Tp __init, - _BinaryOp __b, _UnaryOp __u) -{ - if (__first != __last) - { - _Tp __saved = __init; - do - { - __init = __b(__init, __u(*__first)); - *__result = __saved; - __saved = __init; - ++__result; - } while (++__first != __last); - } - return __result; -} - -template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp, class _UnaryOp> -_OutputIterator transform_inclusive_scan(_InputIterator __first, _InputIterator __last, - _OutputIterator __result, _BinaryOp __b, _UnaryOp __u, _Tp __init) -{ - for (; __first != __last; ++__first, (void) ++__result) { - __init = __b(__init, __u(*__first)); - *__result = __init; - } - - return __result; -} - -template <class _InputIterator, class _OutputIterator, class _BinaryOp, class _UnaryOp> -_OutputIterator transform_inclusive_scan(_InputIterator __first, _InputIterator __last, - _OutputIterator __result, _BinaryOp __b, _UnaryOp __u) -{ - if (__first != __last) { - typename std::iterator_traits<_InputIterator>::value_type __init = __u(*__first); - *__result++ = __init; - if (++__first != __last) - return _VSTD::transform_inclusive_scan(__first, __last, __result, __b, __u, __init); - } - - return __result; -} -#endif - -template <class _InputIterator, class _OutputIterator> -inline _LIBCPP_INLINE_VISIBILITY -_OutputIterator -adjacent_difference(_InputIterator __first, _InputIterator __last, _OutputIterator __result) -{ - if (__first != __last) - { - typename iterator_traits<_InputIterator>::value_type __t1(*__first); - *__result = __t1; - for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result) - { - typename iterator_traits<_InputIterator>::value_type __t2(*__first); - *__result = __t2 - __t1; - __t1 = _VSTD::move(__t2); - } - } - return __result; -} - -template <class _InputIterator, class _OutputIterator, class _BinaryOperation> -inline _LIBCPP_INLINE_VISIBILITY -_OutputIterator -adjacent_difference(_InputIterator __first, _InputIterator __last, _OutputIterator __result, - _BinaryOperation __binary_op) -{ - if (__first != __last) - { - typename iterator_traits<_InputIterator>::value_type __t1(*__first); - *__result = __t1; - for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result) - { - typename iterator_traits<_InputIterator>::value_type __t2(*__first); - *__result = __binary_op(__t2, __t1); - __t1 = _VSTD::move(__t2); - } - } - return __result; -} - -template <class _ForwardIterator, class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -void -iota(_ForwardIterator __first, _ForwardIterator __last, _Tp __value_) -{ - for (; __first != __last; ++__first, (void) ++__value_) - *__first = __value_; -} - - -#if _LIBCPP_STD_VER > 14 -template <typename _Result, typename _Source, bool _IsSigned = is_signed<_Source>::value> struct __abs; - -template <typename _Result, typename _Source> -struct __abs<_Result, _Source, true> { - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - _Result operator()(_Source __t) const noexcept - { - if (__t >= 0) return __t; - if (__t == numeric_limits<_Source>::min()) return -static_cast<_Result>(__t); - return -__t; - } -}; - -template <typename _Result, typename _Source> -struct __abs<_Result, _Source, false> { - _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY - _Result operator()(_Source __t) const noexcept { return __t; } -}; - - -template<class _Tp> -_LIBCPP_CONSTEXPR _LIBCPP_HIDDEN -_Tp __gcd(_Tp __m, _Tp __n) -{ - static_assert((!is_signed<_Tp>::value), ""); - return __n == 0 ? __m : _VSTD::__gcd<_Tp>(__n, __m % __n); -} - - -template<class _Tp, class _Up> -_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY -common_type_t<_Tp,_Up> -gcd(_Tp __m, _Up __n) -{ - static_assert((is_integral<_Tp>::value && is_integral<_Up>::value), "Arguments to gcd must be integer types"); - static_assert((!is_same<typename remove_cv<_Tp>::type, bool>::value), "First argument to gcd cannot be bool" ); - static_assert((!is_same<typename remove_cv<_Up>::type, bool>::value), "Second argument to gcd cannot be bool" ); - using _Rp = common_type_t<_Tp,_Up>; - using _Wp = make_unsigned_t<_Rp>; - return static_cast<_Rp>(_VSTD::__gcd( - static_cast<_Wp>(__abs<_Rp, _Tp>()(__m)), - static_cast<_Wp>(__abs<_Rp, _Up>()(__n)))); -} - -template<class _Tp, class _Up> -_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY -common_type_t<_Tp,_Up> -lcm(_Tp __m, _Up __n) -{ - static_assert((is_integral<_Tp>::value && is_integral<_Up>::value), "Arguments to lcm must be integer types"); - static_assert((!is_same<typename remove_cv<_Tp>::type, bool>::value), "First argument to lcm cannot be bool" ); - static_assert((!is_same<typename remove_cv<_Up>::type, bool>::value), "Second argument to lcm cannot be bool" ); - if (__m == 0 || __n == 0) - return 0; - - using _Rp = common_type_t<_Tp,_Up>; - _Rp __val1 = __abs<_Rp, _Tp>()(__m) / _VSTD::gcd(__m, __n); - _Rp __val2 = __abs<_Rp, _Up>()(__n); - _LIBCPP_ASSERT((numeric_limits<_Rp>::max() / __val1 > __val2), "Overflow in lcm"); - return __val1 * __val2; -} - -#endif /* _LIBCPP_STD_VER > 14 */ - -_LIBCPP_END_NAMESPACE_STD - -_LIBCPP_POP_MACROS - -#endif // _LIBCPP_NUMERIC |