| /* |
| Copyright 2005-2010 Intel Corporation. All Rights Reserved. |
| |
| This file is part of Threading Building Blocks. |
| |
| Threading Building Blocks is free software; you can redistribute it |
| and/or modify it under the terms of the GNU General Public License |
| version 2 as published by the Free Software Foundation. |
| |
| Threading Building Blocks is distributed in the hope that it will be |
| useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
| of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with Threading Building Blocks; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| As a special exception, you may use this file as part of a free software |
| library without restriction. Specifically, if other files instantiate |
| templates or use macros or inline functions from this file, or you compile |
| this file and link it with other files to produce an executable, this |
| file does not by itself cause the resulting executable to be covered by |
| the GNU General Public License. This exception does not however |
| invalidate any other reasons why the executable file might be covered by |
| the GNU General Public License. |
| */ |
| |
| #ifndef __TBB_parallel_for_each_H |
| #define __TBB_parallel_for_each_H |
| |
| #include "parallel_do.h" |
| |
| namespace tbb { |
| |
| //! @cond INTERNAL |
| namespace internal { |
| // The class calls user function in operator() |
| template <typename Function, typename Iterator> |
| class parallel_for_each_body : internal::no_assign { |
| const Function &my_func; |
| public: |
| parallel_for_each_body(const Function &_func) : my_func(_func) {} |
| parallel_for_each_body(const parallel_for_each_body<Function, Iterator> &_caller) : my_func(_caller.my_func) {} |
| |
| void operator() ( typename std::iterator_traits<Iterator>::value_type& value ) const { |
| my_func(value); |
| } |
| }; |
| } // namespace internal |
| //! @endcond |
| |
| /** \name parallel_for_each |
| **/ |
| //@{ |
| //! Calls function f for all items from [first, last) interval using user-supplied context |
| /** @ingroup algorithms */ |
| template<typename InputIterator, typename Function> |
| void parallel_for_each(InputIterator first, InputIterator last, const Function& f, task_group_context &context) { |
| internal::parallel_for_each_body<Function, InputIterator> body(f); |
| |
| tbb::parallel_do (first, last, body, context); |
| } |
| |
| //! Uses default context |
| template<typename InputIterator, typename Function> |
| void parallel_for_each(InputIterator first, InputIterator last, const Function& f) { |
| internal::parallel_for_each_body<Function, InputIterator> body(f); |
| |
| tbb::parallel_do (first, last, body); |
| } |
| |
| //@} |
| |
| } // namespace |
| |
| #endif /* __TBB_parallel_for_each_H */ |