2 Copyright 2005-2010 Intel Corporation. All Rights Reserved.
4 This file is part of Threading Building Blocks.
6 Threading Building Blocks is free software; you can redistribute it
7 and/or modify it under the terms of the GNU General Public License
8 version 2 as published by the Free Software Foundation.
10 Threading Building Blocks is distributed in the hope that it will be
11 useful, but WITHOUT ANY WARRANTY; without even the implied warranty
12 of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with Threading Building Blocks; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 As a special exception, you may use this file as part of a free software
20 library without restriction. Specifically, if other files instantiate
21 templates or use macros or inline functions from this file, or you compile
22 this file and link it with other files to produce an executable, this
23 file does not by itself cause the resulting executable to be covered by
24 the GNU General Public License. This exception does not however
25 invalidate any other reasons why the executable file might be covered by
26 the GNU General Public License.
29 #ifndef __TBB_parallel_for_each_H
30 #define __TBB_parallel_for_each_H
32 #include "parallel_do.h"
38 // The class calls user function in operator()
39 template <typename Function, typename Iterator>
40 class parallel_for_each_body : internal::no_assign {
41 const Function &my_func;
43 parallel_for_each_body(const Function &_func) : my_func(_func) {}
44 parallel_for_each_body(const parallel_for_each_body<Function, Iterator> &_caller) : my_func(_caller.my_func) {}
46 void operator() ( typename std::iterator_traits<Iterator>::value_type& value ) const {
50 } // namespace internal
53 /** \name parallel_for_each
56 //! Calls function f for all items from [first, last) interval using user-supplied context
57 /** @ingroup algorithms */
58 template<typename InputIterator, typename Function>
59 void parallel_for_each(InputIterator first, InputIterator last, const Function& f, task_group_context &context) {
60 internal::parallel_for_each_body<Function, InputIterator> body(f);
62 tbb::parallel_do (first, last, body, context);
65 //! Uses default context
66 template<typename InputIterator, typename Function>
67 void parallel_for_each(InputIterator first, InputIterator last, const Function& f) {
68 internal::parallel_for_each_body<Function, InputIterator> body(f);
70 tbb::parallel_do (first, last, body);
77 #endif /* __TBB_parallel_for_each_H */