/******************************************************************************* * * 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/functional/map.hpp" #include "./src/matrix.hpp" #include <iostream> #include <algorithm> using std::cout; using std::endl; using namespace triqs::arrays; template<class T> T mmax(T const & x, T const & y) { return std::max(x,y);} int main(int argc, char **argv) { triqs::arrays::matrix<double> A(3,3, FORTRAN_LAYOUT),B(3,3, FORTRAN_LAYOUT); A() = -2; for (int i =0; i<3; ++i) for (int j=0; j<3; ++j) { A(i,j) = i+2*j+1; B(i,j) = i-j;} auto Abs = map( std::function< double (double)> ( static_cast< double (*)(double)> (std::abs)) ); auto Max = map2( std::function<double(double,double)>(mmax<double>) ); auto sqr = map( [](double x){return x*x;}); std::cout<< " A " << A<<std::endl<<std::endl; std::cout<< " B " << B<<std::endl<<std::endl; std::cerr<< " Sqr(A) " << make_matrix(sqr(A))<<std::endl<<std::endl; std::cout<<" abs(B+B) = "<<make_matrix(Abs(B+B)) <<std::endl<<std::endl; std::cout<<" A+10*B = "<<make_matrix(A+10*B) <<std::endl<<std::endl; std::cout<<" Abs(A+10*B) = "<<make_matrix(Abs(A+10*B)) <<std::endl<<std::endl; std::cout<<" Max(A,10*B)"<< make_matrix(Max(A,10*B))<<std::endl<<std::endl; return 0; }