mirror of
https://github.com/triqs/dft_tools
synced 2024-11-01 11:43:47 +01:00
82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
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/*******************************************************************************
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*
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* TRIQS: a Toolbox for Research in Interacting Quantum Systems
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*
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* Copyright (C) 2011 by O. Parcollet
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*
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* TRIQS is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* TRIQS. If not, see <http://www.gnu.org/licenses/>.
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*
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******************************************************************************/
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#include "./common.hpp"
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#include "./src/array.hpp"
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#include <iostream>
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#include <fstream>
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using std::cout; using std::endl;
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using namespace triqs::arrays;
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#include <boost/archive/text_oarchive.hpp>
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#include <boost/archive/text_iarchive.hpp>
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int main(int argc, char **argv) {
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array<long,2> A (2,3);
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for (int i =0; i<2; ++i)
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for (int j=0; j<3; ++j)
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A(i,j) = 10*i+ j;
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array_view<long,1> SL( A(0,range(0,3)));
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std::cout<<"A = "<<A<<std::endl;
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std::cout<<"SLICE : A(0,range(0,3)) "<<SL<<std::endl;
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// create and open a character archive for output
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std::ofstream ofs("arch1");
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{
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boost::archive::text_oarchive oa(ofs);
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// write class instance to archive
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oa << A ;
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oa << SL;
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// archive and stream closed when destructors are called
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}
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for (int i =0; i<2; ++i)
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for (int j=0; j<3; ++j)
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A(i,j)=0;
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std::cout<<"A = "<<A<<std::endl;
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std::cout<<"SLICE : A(0,range(0,3)) "<<SL<<std::endl;
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{
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// create and open an archive for input
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std::ifstream ifs("arch1");
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boost::archive::text_iarchive ia(ifs);
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// read class state from archive
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ia >> A>> SL;
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// archive and stream closed when destructors are called
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}
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std::cout<<"A is "<<A<<std::endl;
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std::cout<<"SLICE : A(0,range(0,3)) "<<SL<<std::endl;
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std::cout<<"Setting A(0,0) =56 "<<std::endl;
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SL(0) = 56;
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std::cout<<"A is "<<A<<std::endl;
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std::cout<<"SLICE : A(0,range(0,3)) "<<SL<<std::endl;
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}
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