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dft_tools/test/triqs/arrays/array_cache2.cpp
2013-10-21 15:12:53 +02:00

95 lines
2.4 KiB
C++

/*******************************************************************************
*
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
*
* Copyright (C) 2011 by O. Parcollet
*
* TRIQS is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* TRIQS 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
* TRIQS. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#include "./common.hpp"
#include "./src/array.hpp"
#define TRIQS_ARRAYS_CACHE_COPY_VERBOSE
#include "./src/cache.hpp"
#include <iostream>
using namespace triqs::arrays;
void f( array_view<long,2> A, long u) {
A(0,0) = u;
}
int main(int argc, char **argv) {
array<long,2> A (2,3, FORTRAN_LAYOUT);
for (int i =0; i<2; ++i)
for (int j=0; j<3; ++j)
A(i,j) = 10*i+ j;
for (int i =0; i<2; ++i)
for (int j=0; j<3; ++j)
std::cout<<"A "<<A(i,j)<<std::endl;
array<long,2 > Ac (A);
std::cout<<"A = "<<A<<std::endl;
std::cout<<"Ac = "<<Ac<<std::endl;
std::cout<<"----------"<<std::endl;
std::cout<<"Expr = "<< make_const_cache(2*A).view() <<std::endl;
std::cout<<"----------"<<std::endl;
std::cout<<"A F->C = "<< make_const_cache(A).view() <<std::endl;
std::cout<<"----------"<<std::endl;
std::cout<<"A C->C = "<< make_const_cache(Ac).view() <<std::endl;
std::cout<<"----------"<<std::endl;
f(make_cache(Ac),287);
std::cout<<"Ac = "<<Ac<<std::endl;
std::cout<<"----------"<<std::endl;
f(make_cache(A ),287);
std::cout<<"A = "<<A<<std::endl;
std::cout<<"----------"<<std::endl;
std::cout<<"A = "<<A<<std::endl;
std::cout<<"A(range(0,1),range(1,2) ) = "<<A( range(0,1),range(1,2) )<<std::endl;
array_view <long,2> V(A(range(0,1), range(1,2)));
array_view <long,2> Vc(Ac(range(0,1), range(1,2)));
Vc(0,0) = 300;
V = Vc;
std::cout<<"A = "<<A<<std::endl;
std::cout<<"Ac = "<<Ac<<std::endl;
f(make_cache(V),156);
std::cout<<"A = "<<A<<std::endl;
std::cout<<"Ac = "<<Ac<<std::endl;
return 0;
}