// -*- C++ -*- //===-- numeric_fwd.h --------------------------------------------------===// // // 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 _PSTL_NUMERIC_FWD_H #define _PSTL_NUMERIC_FWD_H #include <type_traits> #include <utility> namespace __pstl { namespace __internal { //------------------------------------------------------------------------ // transform_reduce (version with two binary functions, according to draft N4659) //------------------------------------------------------------------------ template <class _ForwardIterator1, class _ForwardIterator2, class _Tp, class _BinaryOperation1, class _BinaryOperation2> _Tp __brick_transform_reduce(_ForwardIterator1, _ForwardIterator1, _ForwardIterator2, _Tp, _BinaryOperation1, _BinaryOperation2, /*__is_vector=*/std::true_type) noexcept; template <class _ForwardIterator1, class _ForwardIterator2, class _Tp, class _BinaryOperation1, class _BinaryOperation2> _Tp __brick_transform_reduce(_ForwardIterator1, _ForwardIterator1, _ForwardIterator2, _Tp, _BinaryOperation1, _BinaryOperation2, /*__is_vector=*/std::false_type) noexcept; template <class _ExecutionPolicy, class _ForwardIterator1, class _ForwardIterator2, class _Tp, class _BinaryOperation1, class _BinaryOperation2, class _IsVector> _Tp __pattern_transform_reduce(_ExecutionPolicy&&, _ForwardIterator1, _ForwardIterator1, _ForwardIterator2, _Tp, _BinaryOperation1, _BinaryOperation2, _IsVector, /*is_parallel=*/std::false_type) noexcept; template <class _ExecutionPolicy, class _RandomAccessIterator1, class _RandomAccessIterator2, class _Tp, class _BinaryOperation1, class _BinaryOperation2, class _IsVector> _Tp __pattern_transform_reduce(_ExecutionPolicy&&, _RandomAccessIterator1, _RandomAccessIterator1, _RandomAccessIterator2, _Tp, _BinaryOperation1, _BinaryOperation2, _IsVector __is_vector, /*is_parallel=*/std::true_type); //------------------------------------------------------------------------ // transform_reduce (version with unary and binary functions) //------------------------------------------------------------------------ template <class _ForwardIterator, class _Tp, class _UnaryOperation, class _BinaryOperation> _Tp __brick_transform_reduce(_ForwardIterator, _ForwardIterator, _Tp, _BinaryOperation, _UnaryOperation, /*is_vector=*/std::true_type) noexcept; template <class _ForwardIterator, class _Tp, class _BinaryOperation, class _UnaryOperation> _Tp __brick_transform_reduce(_ForwardIterator, _ForwardIterator, _Tp, _BinaryOperation, _UnaryOperation, /*is_vector=*/std::false_type) noexcept; template <class _ExecutionPolicy, class _ForwardIterator, class _Tp, class _BinaryOperation, class _UnaryOperation, class _IsVector> _Tp __pattern_transform_reduce(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, _Tp, _BinaryOperation, _UnaryOperation, _IsVector, /*is_parallel=*/std::false_type) noexcept; template <class _ExecutionPolicy, class _ForwardIterator, class _Tp, class _BinaryOperation, class _UnaryOperation, class _IsVector> _Tp __pattern_transform_reduce(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, _Tp, _BinaryOperation, _UnaryOperation, _IsVector, /*is_parallel=*/std::true_type); //------------------------------------------------------------------------ // transform_exclusive_scan // // walk3 evaluates f(x,y,z) for (x,y,z) drawn from [first1,last1), [first2,...), [first3,...) //------------------------------------------------------------------------ template <class _ForwardIterator, class _OutputIterator, class _UnaryOperation, class _Tp, class _BinaryOperation> std::pair<_OutputIterator, _Tp> __brick_transform_scan(_ForwardIterator, _ForwardIterator, _OutputIterator, _UnaryOperation, _Tp, _BinaryOperation, /*Inclusive*/ std::false_type) noexcept; template <class _ForwardIterator, class _OutputIterator, class _UnaryOperation, class _Tp, class _BinaryOperation> std::pair<_OutputIterator, _Tp> __brick_transform_scan(_ForwardIterator, _ForwardIterator, _OutputIterator, _UnaryOperation, _Tp, _BinaryOperation, /*Inclusive*/ std::true_type) noexcept; template <class _ExecutionPolicy, class _ForwardIterator, class _OutputIterator, class _UnaryOperation, class _Tp, class _BinaryOperation, class _Inclusive, class _IsVector> _OutputIterator __pattern_transform_scan(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, _OutputIterator, _UnaryOperation, _Tp, _BinaryOperation, _Inclusive, _IsVector, /*is_parallel=*/std::false_type) noexcept; template <class _ExecutionPolicy, class _RandomAccessIterator, class _OutputIterator, class _UnaryOperation, class _Tp, class _BinaryOperation, class _Inclusive, class _IsVector> typename std::enable_if<!std::is_floating_point<_Tp>::value, _OutputIterator>::type __pattern_transform_scan(_ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator, _OutputIterator, _UnaryOperation, _Tp, _BinaryOperation, _Inclusive, _IsVector, /*is_parallel=*/std::true_type); template <class _ExecutionPolicy, class _RandomAccessIterator, class _OutputIterator, class _UnaryOperation, class _Tp, class _BinaryOperation, class _Inclusive, class _IsVector> typename std::enable_if<std::is_floating_point<_Tp>::value, _OutputIterator>::type __pattern_transform_scan(_ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator, _OutputIterator, _UnaryOperation, _Tp, _BinaryOperation, _Inclusive, _IsVector, /*is_parallel=*/std::true_type); //------------------------------------------------------------------------ // adjacent_difference //------------------------------------------------------------------------ template <class _ForwardIterator, class _OutputIterator, class _BinaryOperation> _OutputIterator __brick_adjacent_difference(_ForwardIterator, _ForwardIterator, _OutputIterator, _BinaryOperation, /*is_vector*/ std::false_type) noexcept; template <class _ForwardIterator, class _OutputIterator, class _BinaryOperation> _OutputIterator __brick_adjacent_difference(_ForwardIterator, _ForwardIterator, _OutputIterator, _BinaryOperation, /*is_vector*/ std::true_type) noexcept; template <class _ExecutionPolicy, class _ForwardIterator, class _OutputIterator, class _BinaryOperation, class _IsVector> _OutputIterator __pattern_adjacent_difference(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, _OutputIterator, _BinaryOperation, _IsVector, /*is_parallel*/ std::false_type) noexcept; template <class _ExecutionPolicy, class _ForwardIterator, class _OutputIterator, class _BinaryOperation, class _IsVector> _OutputIterator __pattern_adjacent_difference(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, _OutputIterator, _BinaryOperation, _IsVector, /*is_parallel*/ std::true_type); } // namespace __internal } // namespace __pstl #endif /* _PSTL_NUMERIC_FWD_H */