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breadth_first_search.h
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1 /*
2  * Copyright 2008-2014 NVIDIA Corporation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
21 #pragma once
22 
23 #include <cusp/detail/config.h>
24 
25 #include <thrust/execution_policy.h>
26 
27 namespace cusp
28 {
29 namespace graph
30 {
39 template <typename DerivedPolicy,
40  typename MatrixType,
41  typename ArrayType>
42 void breadth_first_search(const thrust::detail::execution_policy_base<DerivedPolicy>& exec,
43  const MatrixType& G,
44  const typename MatrixType::index_type src,
45  ArrayType& labels,
46  const bool mark_levels = true);
94 template<typename MatrixType, typename ArrayType>
95 void breadth_first_search(const MatrixType& G,
96  const typename MatrixType::index_type src,
97  ArrayType& labels,
98  bool mark_levels = true);
102 } // end namespace graph
103 } // end namespace cusp
104 
105 #include <cusp/graph/detail/breadth_first_search.inl>
106 
void breadth_first_search(const MatrixType &G, const typename MatrixType::index_type src, ArrayType &labels, bool mark_levels=true)
Performs a Breadth-first traversal of a graph starting from a given source vertex.