You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.2 KiB
74 lines
2.2 KiB
/* |
|
* 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/reduce.h> |
|
#include <thrust/system/detail/generic/reduce.h> |
|
#include <thrust/iterator/iterator_traits.h> |
|
#include <thrust/functional.h> |
|
#include <thrust/detail/static_assert.h> |
|
|
|
namespace thrust |
|
{ |
|
namespace system |
|
{ |
|
namespace detail |
|
{ |
|
namespace generic |
|
{ |
|
|
|
|
|
template<typename ExecutionPolicy, typename InputIterator> |
|
typename thrust::iterator_traits<InputIterator>::value_type |
|
reduce(thrust::execution_policy<ExecutionPolicy> &exec, InputIterator first, InputIterator last) |
|
{ |
|
typedef typename thrust::iterator_value<InputIterator>::type InputType; |
|
|
|
// use InputType(0) as init by default |
|
return thrust::reduce(exec, first, last, InputType(0)); |
|
} // end reduce() |
|
|
|
|
|
template<typename ExecutionPolicy, typename InputIterator, typename T> |
|
T reduce(thrust::execution_policy<ExecutionPolicy> &exec, InputIterator first, InputIterator last, T init) |
|
{ |
|
// use plus<T> by default |
|
return thrust::reduce(exec, first, last, init, thrust::plus<T>()); |
|
} // end reduce() |
|
|
|
|
|
template<typename ExecutionPolicy, |
|
typename RandomAccessIterator, |
|
typename OutputType, |
|
typename BinaryFunction> |
|
OutputType reduce(thrust::execution_policy<ExecutionPolicy> &exec, |
|
RandomAccessIterator first, |
|
RandomAccessIterator last, |
|
OutputType init, |
|
BinaryFunction binary_op) |
|
{ |
|
// unimplemented |
|
THRUST_STATIC_ASSERT( (thrust::detail::depend_on_instantiation<RandomAccessIterator, false>::value) ); |
|
return OutputType(); |
|
} // end reduce() |
|
|
|
|
|
} // end namespace generic |
|
} // end namespace detail |
|
} // end namespace system |
|
} // end namespace thrust |
|
|
|
|