dft_tools/doc/reference/c++/parameters/parameters_0.cpp

#include <triqs/parameters.hpp>
using triqs::params::parameters;
#include <triqs/arrays.hpp>

int main() {

 parameters P;
/*
 P["a"] = long(1);
 P["d"] = 2.7;
 P["a_string"] = std::string("-14.3");
 P["char_string"] = "-14.3";

 triqs::arrays::array<double, 2> A(2, 2);
 A() = 0;
 A(0, 0) = 1.3;
 A(1, 1) = -8.2;
 P["A"] = A;
 std::cout << "A:" << P["A"] << std::endl;

 long a = P["a"];
 double x = P["a"];        // cast to double from long
 double y = P["a_string"]; // lexical cast to double from string
 std::cout << y << std::endl;
*/
 return 0;
}