mirror of
https://github.com/triqs/dft_tools
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92 lines
2.3 KiB
C++
92 lines
2.3 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 "./src/matrix.hpp"
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#include <iostream>
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using std::cout; using std::endl;
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using namespace triqs::arrays;
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#include <boost/function.hpp>
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#include <boost/lambda/lambda.hpp>
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#include <boost/lambda/bind.hpp>
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namespace BLL=boost::lambda;
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struct S {
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double x,y;
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int i;
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S(): x(0), y(0), i(0) {}
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S(double x0, double y0, int i0): x(x0), y(y0), i(i0) {}
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};
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double my_fun(double x, double y) { return x+y;}
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std::ostream & operator << (std::ostream & out, S const & s) { return out<<"("<<s.x<<" "<<s.y<<" "<<s.i<<")";}
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//std::ostream & operator << (std::ostream & out, S const & s) { return out<<std::make_tuple(s.x,s.y,s.i);}
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int main(int argc, char **argv) {
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array<S,2> A(2,2);
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S s0(1,2,3);
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int p=0;
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for (int i =0; i<2; ++i)
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for (int j=0; j<2; ++j,++p)
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A(i,j) = S(i,j,p);
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std::cout<<" A "<<A<<A(range(),0)<<std::endl;
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A() = s0;
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std::cout<<" A "<<A<<A(range(),0)<<std::endl;
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array< array<double,1>, 2> AA(2,2);
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array<double,1> A0(2);
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for (int i =0; i<2; ++i)
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A0(i) = i;
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AA()=A0;
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std::cout<<" AA "<<AA<<std::endl;
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std::cout<<AA(0,0)<<std::endl;
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// even more : a matrix of functions !
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matrix< boost::function<double(double) > > F (2,2);
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for (int i =0; i<2; ++i)
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for (int j=0; j<2; ++j,++p)
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F(i,j) = BLL::bind(&my_fun, BLL::_1, i+j);
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for (int i =0; i<2; ++i)
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for (int j=0; j<2; ++j,++p)
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std::cout<<F(i,j)(0)<<std::endl;
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return 0;
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}
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