mirror of
https://github.com/triqs/dft_tools
synced 2024-11-01 19:53:45 +01:00
95 lines
2.4 KiB
C++
95 lines
2.4 KiB
C++
/*******************************************************************************
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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 <triqs/arrays/array.hpp>
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#define TRIQS_ARRAYS_CACHE_COPY_VERBOSE
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#include <triqs/arrays/cache.hpp>
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#include <iostream>
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using namespace triqs::arrays;
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void f( array_view<long,2> A, long u) {
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A(0,0) = u;
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}
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int main(int argc, char **argv) {
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array<long,2> A (2,3, FORTRAN_LAYOUT);
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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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for (int i =0; i<2; ++i)
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for (int j=0; j<3; ++j)
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std::cout<<"A "<<A(i,j)<<std::endl;
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array<long,2 > Ac (A);
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std::cout<<"A = "<<A<<std::endl;
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std::cout<<"Ac = "<<Ac<<std::endl;
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std::cout<<"----------"<<std::endl;
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std::cout<<"Expr = "<< make_const_cache(2*A).view() <<std::endl;
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std::cout<<"----------"<<std::endl;
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std::cout<<"A F->C = "<< make_const_cache(A).view() <<std::endl;
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std::cout<<"----------"<<std::endl;
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std::cout<<"A C->C = "<< make_const_cache(Ac).view() <<std::endl;
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std::cout<<"----------"<<std::endl;
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f(make_cache(Ac),287);
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std::cout<<"Ac = "<<Ac<<std::endl;
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std::cout<<"----------"<<std::endl;
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f(make_cache(A ),287);
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std::cout<<"A = "<<A<<std::endl;
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std::cout<<"----------"<<std::endl;
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std::cout<<"A = "<<A<<std::endl;
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std::cout<<"A(range(0,1),range(1,2) ) = "<<A( range(0,1),range(1,2) )<<std::endl;
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array_view <long,2> V(A(range(0,1), range(1,2)));
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array_view <long,2> Vc(Ac(range(0,1), range(1,2)));
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Vc(0,0) = 300;
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V = Vc;
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std::cout<<"A = "<<A<<std::endl;
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std::cout<<"Ac = "<<Ac<<std::endl;
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f(make_cache(V),156);
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std::cout<<"A = "<<A<<std::endl;
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std::cout<<"Ac = "<<Ac<<std::endl;
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return 0;
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}
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