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262 lines
9.2 KiB
262 lines
9.2 KiB
11 years ago
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/*
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* Copyright 2008-2012 NVIDIA Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*! \file reduce.inl
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* \brief Inline file for reduce.h.
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*/
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#include <thrust/reduce.h>
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#include <thrust/iterator/iterator_traits.h>
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#include <thrust/system/detail/generic/select_system.h>
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#include <thrust/system/detail/generic/reduce.h>
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#include <thrust/system/detail/generic/reduce_by_key.h>
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#include <thrust/system/detail/adl/reduce.h>
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#include <thrust/system/detail/adl/reduce_by_key.h>
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namespace thrust
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{
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template<typename DerivedPolicy, typename InputIterator>
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typename thrust::iterator_traits<InputIterator>::value_type
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reduce(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, InputIterator first, InputIterator last)
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{
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using thrust::system::detail::generic::reduce;
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return reduce(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last);
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} // end reduce()
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template<typename DerivedPolicy, typename InputIterator, typename T>
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T reduce(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
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InputIterator first,
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InputIterator last,
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T init)
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{
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using thrust::system::detail::generic::reduce;
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return reduce(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last, init);
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} // end reduce()
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template<typename DerivedPolicy,
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typename InputIterator,
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typename T,
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typename BinaryFunction>
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T reduce(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
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InputIterator first,
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InputIterator last,
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T init,
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BinaryFunction binary_op)
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{
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using thrust::system::detail::generic::reduce;
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return reduce(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last, init, binary_op);
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} // end reduce()
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template <typename DerivedPolicy,
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typename InputIterator1,
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typename InputIterator2,
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typename OutputIterator1,
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typename OutputIterator2>
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thrust::pair<OutputIterator1,OutputIterator2>
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reduce_by_key(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
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InputIterator1 keys_first,
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InputIterator1 keys_last,
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InputIterator2 values_first,
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OutputIterator1 keys_output,
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OutputIterator2 values_output)
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{
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using thrust::system::detail::generic::reduce_by_key;
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return reduce_by_key(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), keys_first, keys_last, values_first, keys_output, values_output);
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} // end reduce_by_key()
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template <typename DerivedPolicy,
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typename InputIterator1,
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typename InputIterator2,
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typename OutputIterator1,
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typename OutputIterator2,
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typename BinaryPredicate>
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thrust::pair<OutputIterator1,OutputIterator2>
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reduce_by_key(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
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InputIterator1 keys_first,
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InputIterator1 keys_last,
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InputIterator2 values_first,
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OutputIterator1 keys_output,
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OutputIterator2 values_output,
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BinaryPredicate binary_pred)
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{
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using thrust::system::detail::generic::reduce_by_key;
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return reduce_by_key(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), keys_first, keys_last, values_first, keys_output, values_output, binary_pred);
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} // end reduce_by_key()
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template <typename DerivedPolicy,
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typename InputIterator1,
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typename InputIterator2,
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typename OutputIterator1,
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typename OutputIterator2,
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typename BinaryPredicate,
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typename BinaryFunction>
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thrust::pair<OutputIterator1,OutputIterator2>
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reduce_by_key(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
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InputIterator1 keys_first,
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InputIterator1 keys_last,
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InputIterator2 values_first,
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OutputIterator1 keys_output,
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OutputIterator2 values_output,
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BinaryPredicate binary_pred,
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BinaryFunction binary_op)
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{
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using thrust::system::detail::generic::reduce_by_key;
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return reduce_by_key(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), keys_first, keys_last, values_first, keys_output, values_output, binary_pred, binary_op);
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} // end reduce_by_key()
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template<typename InputIterator>
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typename thrust::iterator_traits<InputIterator>::value_type
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reduce(InputIterator first,
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InputIterator last)
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{
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using thrust::system::detail::generic::select_system;
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typedef typename thrust::iterator_system<InputIterator>::type System;
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System system;
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return thrust::reduce(select_system(system), first, last);
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}
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template<typename InputIterator,
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typename T>
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T reduce(InputIterator first,
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InputIterator last,
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T init)
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{
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using thrust::system::detail::generic::select_system;
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typedef typename thrust::iterator_system<InputIterator>::type System;
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System system;
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return thrust::reduce(select_system(system), first, last, init);
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}
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template<typename InputIterator,
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typename T,
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typename BinaryFunction>
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T reduce(InputIterator first,
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InputIterator last,
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T init,
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BinaryFunction binary_op)
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{
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using thrust::system::detail::generic::select_system;
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typedef typename thrust::iterator_system<InputIterator>::type System;
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System system;
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return thrust::reduce(select_system(system), first, last, init, binary_op);
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}
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template <typename InputIterator1,
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typename InputIterator2,
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typename OutputIterator1,
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typename OutputIterator2>
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thrust::pair<OutputIterator1,OutputIterator2>
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reduce_by_key(InputIterator1 keys_first,
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InputIterator1 keys_last,
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InputIterator2 values_first,
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OutputIterator1 keys_output,
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OutputIterator2 values_output)
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{
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using thrust::system::detail::generic::select_system;
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typedef typename thrust::iterator_system<InputIterator1>::type System1;
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typedef typename thrust::iterator_system<InputIterator2>::type System2;
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typedef typename thrust::iterator_system<OutputIterator1>::type System3;
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typedef typename thrust::iterator_system<OutputIterator2>::type System4;
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System1 system1;
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System2 system2;
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System3 system3;
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System4 system4;
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return thrust::reduce_by_key(select_system(system1,system2,system3,system4), keys_first, keys_last, values_first, keys_output, values_output);
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}
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template <typename InputIterator1,
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typename InputIterator2,
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typename OutputIterator1,
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typename OutputIterator2,
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typename BinaryPredicate>
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thrust::pair<OutputIterator1,OutputIterator2>
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reduce_by_key(InputIterator1 keys_first,
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InputIterator1 keys_last,
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InputIterator2 values_first,
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OutputIterator1 keys_output,
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OutputIterator2 values_output,
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BinaryPredicate binary_pred)
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{
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using thrust::system::detail::generic::select_system;
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typedef typename thrust::iterator_system<InputIterator1>::type System1;
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typedef typename thrust::iterator_system<InputIterator2>::type System2;
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typedef typename thrust::iterator_system<OutputIterator1>::type System3;
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typedef typename thrust::iterator_system<OutputIterator2>::type System4;
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System1 system1;
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System2 system2;
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System3 system3;
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System4 system4;
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return thrust::reduce_by_key(select_system(system1,system2,system3,system4), keys_first, keys_last, values_first, keys_output, values_output, binary_pred);
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}
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template <typename InputIterator1,
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typename InputIterator2,
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typename OutputIterator1,
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typename OutputIterator2,
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typename BinaryPredicate,
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typename BinaryFunction>
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thrust::pair<OutputIterator1,OutputIterator2>
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reduce_by_key(InputIterator1 keys_first,
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InputIterator1 keys_last,
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InputIterator2 values_first,
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OutputIterator1 keys_output,
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OutputIterator2 values_output,
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BinaryPredicate binary_pred,
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BinaryFunction binary_op)
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{
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using thrust::system::detail::generic::select_system;
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typedef typename thrust::iterator_system<InputIterator1>::type System1;
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typedef typename thrust::iterator_system<InputIterator2>::type System2;
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typedef typename thrust::iterator_system<OutputIterator1>::type System3;
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typedef typename thrust::iterator_system<OutputIterator2>::type System4;
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System1 system1;
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System2 system2;
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System3 system3;
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System4 system4;
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return thrust::reduce_by_key(select_system(system1,system2,system3,system4), keys_first, keys_last, values_first, keys_output, values_output, binary_pred, binary_op);
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}
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} // end namespace thrust
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