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// -*- 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 _PSTL_NUMERIC_FWD_H
#define _PSTL_NUMERIC_FWD_H
#include <__config>
#include <type_traits>
#include <utility>
namespace __pstl {
namespace __internal {
//------------------------------------------------------------------------
// 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 _RandomAccessIterator, class _OutputIterator, class _UnaryOperation, class _Tp, class _BinaryOperation>
std::pair<_OutputIterator, _Tp> __brick_transform_scan(
_RandomAccessIterator,
_RandomAccessIterator,
_OutputIterator,
_UnaryOperation,
_Tp,
_BinaryOperation,
/*Inclusive*/ std::true_type) noexcept;
template <class _Tag,
class _ExecutionPolicy,
class _ForwardIterator,
class _OutputIterator,
class _UnaryOperation,
class _Tp,
class _BinaryOperation,
class _Inclusive>
_OutputIterator __pattern_transform_scan(
_Tag,
_ExecutionPolicy&&,
_ForwardIterator,
_ForwardIterator,
_OutputIterator,
_UnaryOperation,
_Tp,
_BinaryOperation,
_Inclusive) noexcept;
template <class _IsVector,
class _ExecutionPolicy,
class _RandomAccessIterator,
class _OutputIterator,
class _UnaryOperation,
class _Tp,
class _BinaryOperation,
class _Inclusive>
typename std::enable_if<!std::is_floating_point<_Tp>::value, _OutputIterator>::type __pattern_transform_scan(
__parallel_tag<_IsVector> __tag,
_ExecutionPolicy&&,
_RandomAccessIterator,
_RandomAccessIterator,
_OutputIterator,
_UnaryOperation,
_Tp,
_BinaryOperation,
_Inclusive);
template <class _IsVector,
class _ExecutionPolicy,
class _RandomAccessIterator,
class _OutputIterator,
class _UnaryOperation,
class _Tp,
class _BinaryOperation,
class _Inclusive>
typename std::enable_if<std::is_floating_point<_Tp>::value, _OutputIterator>::type __pattern_transform_scan(
__parallel_tag<_IsVector>,
_ExecutionPolicy&&,
_RandomAccessIterator,
_RandomAccessIterator,
_OutputIterator,
_UnaryOperation,
_Tp,
_BinaryOperation,
_Inclusive);
//------------------------------------------------------------------------
// 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 _RandomAccessIterator, class _OutputIterator, class _BinaryOperation>
_OutputIterator __brick_adjacent_difference(
_RandomAccessIterator,
_RandomAccessIterator,
_OutputIterator,
_BinaryOperation,
/*is_vector*/ std::true_type) noexcept;
template <class _Tag, class _ExecutionPolicy, class _ForwardIterator, class _OutputIterator, class _BinaryOperation>
_OutputIterator __pattern_adjacent_difference(
_Tag, _ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, _OutputIterator, _BinaryOperation) noexcept;
template <class _IsVector,
class _ExecutionPolicy,
class _RandomAccessIterator,
class _OutputIterator,
class _BinaryOperation>
_OutputIterator __pattern_adjacent_difference(
__parallel_tag<_IsVector>,
_ExecutionPolicy&&,
_RandomAccessIterator,
_RandomAccessIterator,
_OutputIterator,
_BinaryOperation);
} // namespace __internal
} // namespace __pstl
#endif /* _PSTL_NUMERIC_FWD_H */
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