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/*
* Copyright 2008-2013 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_reduce.h>
#include <thrust/reduce.h>
#include <thrust/iterator/transform_iterator.h>
THRUST_NAMESPACE_BEGIN
namespace system
{
namespace detail
{
namespace generic
{
template<typename DerivedPolicy,
typename InputIterator,
typename UnaryFunction,
typename OutputType,
typename BinaryFunction>
__host__ __device__
OutputType transform_reduce(thrust::execution_policy<DerivedPolicy> &exec,
InputIterator first,
InputIterator last,
UnaryFunction unary_op,
OutputType init,
BinaryFunction binary_op)
{
thrust::transform_iterator<UnaryFunction, InputIterator, OutputType> xfrm_first(first, unary_op);
thrust::transform_iterator<UnaryFunction, InputIterator, OutputType> xfrm_last(last, unary_op);
return thrust::reduce(exec, xfrm_first, xfrm_last, init, binary_op);
} // end transform_reduce()
} // end generic
} // end detail
} // end system
THRUST_NAMESPACE_END
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