GOSTCoin CUDA miner project, compatible with most nvidia cards, containing only gostd algo
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/*
* Copyright 2008-2012 NVIDIA Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <thrust/detail/config.h>
#include <thrust/system/detail/generic/transform_scan.h>
#include <thrust/scan.h>
#include <thrust/iterator/transform_iterator.h>
#include <thrust/detail/type_traits.h>
#include <thrust/detail/type_traits/function_traits.h>
#include <thrust/detail/type_traits/iterator/is_output_iterator.h>
namespace thrust
{
namespace system
{
namespace detail
{
namespace generic
{
template<typename ExecutionPolicy,
typename InputIterator,
typename OutputIterator,
typename UnaryFunction,
typename BinaryFunction>
OutputIterator transform_inclusive_scan(thrust::execution_policy<ExecutionPolicy> &exec,
InputIterator first,
InputIterator last,
OutputIterator result,
UnaryFunction unary_op,
BinaryFunction binary_op)
{
// the pseudocode for deducing the type of the temporary used below:
//
// if UnaryFunction is AdaptableUnaryFunction
// TemporaryType = AdaptableUnaryFunction::result_type
// else if OutputIterator is a "pure" output iterator
// TemporaryType = InputIterator::value_type
// else
// TemporaryType = OutputIterator::value_type
//
// XXX upon c++0x, TemporaryType needs to be:
// result_of<UnaryFunction>::type
typedef typename thrust::detail::eval_if<
thrust::detail::has_result_type<UnaryFunction>::value,
thrust::detail::result_type<UnaryFunction>,
thrust::detail::eval_if<
thrust::detail::is_output_iterator<OutputIterator>::value,
thrust::iterator_value<InputIterator>,
thrust::iterator_value<OutputIterator>
>
>::type ValueType;
thrust::transform_iterator<UnaryFunction, InputIterator, ValueType> _first(first, unary_op);
thrust::transform_iterator<UnaryFunction, InputIterator, ValueType> _last(last, unary_op);
return thrust::inclusive_scan(exec, _first, _last, result, binary_op);
} // end transform_inclusive_scan()
template<typename ExecutionPolicy,
typename InputIterator,
typename OutputIterator,
typename UnaryFunction,
typename T,
typename AssociativeOperator>
OutputIterator transform_exclusive_scan(thrust::execution_policy<ExecutionPolicy> &exec,
InputIterator first,
InputIterator last,
OutputIterator result,
UnaryFunction unary_op,
T init,
AssociativeOperator binary_op)
{
// the pseudocode for deducing the type of the temporary used below:
//
// if UnaryFunction is AdaptableUnaryFunction
// TemporaryType = AdaptableUnaryFunction::result_type
// else if OutputIterator is a "pure" output iterator
// TemporaryType = InputIterator::value_type
// else
// TemporaryType = OutputIterator::value_type
//
// XXX upon c++0x, TemporaryType needs to be:
// result_of<UnaryFunction>::type
typedef typename thrust::detail::eval_if<
thrust::detail::has_result_type<UnaryFunction>::value,
thrust::detail::result_type<UnaryFunction>,
thrust::detail::eval_if<
thrust::detail::is_output_iterator<OutputIterator>::value,
thrust::iterator_value<InputIterator>,
thrust::iterator_value<OutputIterator>
>
>::type ValueType;
thrust::transform_iterator<UnaryFunction, InputIterator, ValueType> _first(first, unary_op);
thrust::transform_iterator<UnaryFunction, InputIterator, ValueType> _last(last, unary_op);
return thrust::exclusive_scan(exec, _first, _last, result, init, binary_op);
} // end transform_exclusive_scan()
} // end namespace generic
} // end namespace detail
} // end namespace system
} // end namespace thrust