| /* |
| Copyright 2011 Mario Mulansky |
| Copyright 2012 Karsten Ahnert |
| |
| Distributed under the Boost Software License, Version 1.0. |
| (See accompanying file LICENSE_1_0.txt or |
| copy at http://www.boost.org/LICENSE_1_0.txt) |
| */ |
| |
| |
| /* nested range algebra */ |
| |
| #ifndef NESTED_RANGE_ALGEBRA |
| #define NESTED_RANGE_ALGEBRA |
| |
| namespace detail { |
| |
| template< class Iterator1 , class Iterator2 , class Iterator3 , class Operation , class Algebra > |
| void for_each3( Iterator1 first1 , Iterator1 last1 , Iterator2 first2 , Iterator3 first3, Operation op , Algebra &algebra ) |
| { |
| for( ; first1 != last1 ; ) |
| algebra.for_each3( *first1++ , *first2++ , *first3++ , op ); |
| } |
| } |
| |
| |
| template< class InnerAlgebra > |
| struct nested_range_algebra |
| { |
| |
| nested_range_algebra() |
| : m_inner_algebra() |
| { } |
| |
| template< class S1 , class S2 , class S3 , class Op > |
| void for_each3( S1 &s1 , S2 &s2 , S3 &s3 , Op op ) |
| { |
| detail::for_each3( boost::begin( s1 ) , boost::end( s1 ) , boost::begin( s2 ) , boost::begin( s3 ) , op , m_inner_algebra ); |
| } |
| |
| |
| private: |
| InnerAlgebra m_inner_algebra; |
| }; |
| |
| #endif |
