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dft_tools/doc/tutorials/det_manip_tutorial_1.cpp
tayral edd1ff4529 Restructuring documentation.
A first general restructuration of the doc according to the pattern [tour|tutorial|reference].
In the reference part, objects are documented per topic.
In each topic, [definition|c++|python|hdf5] (not yet implemented)
2014-10-18 12:21:08 +01:00

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C++

#include <triqs/det_manip/det_manip.hpp>
struct fun {
typedef double result_type;
typedef double argument_type;
// gives the coefficients of the matrix (function F of the documentation)
double operator()(double x, double y) const { return (x - y); }
};
int main() {
fun f;
std::vector<double> initial_x{1, 2}, initial_y{3, 4};
// creation of a class det_manip with a 2 by 2 matrix
triqs::det_manip::det_manip<fun> D(f, initial_x, initial_y);
// the initial matrix:
std::cout << std::endl << "After construction: D.matrix()=" << D.matrix() << std::endl << std::endl;
}