mirror of
https://github.com/triqs/dft_tools
synced 2024-11-01 11:43:47 +01:00
edd1ff4529
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)
22 lines
860 B
C++
22 lines
860 B
C++
#include <triqs/det_manip/det_manip.hpp>
|
|
|
|
struct fun {
|
|
typedef double result_type;
|
|
typedef double argument_type;
|
|
double operator()(double x, double y) const { return (x - y); }
|
|
};
|
|
|
|
int main() {
|
|
fun f;
|
|
int i = 0, j = 1;
|
|
std::vector<double> initial_x{1, 2}, initial_y{3, 4};
|
|
triqs::det_manip::det_manip<fun> D(f, initial_x, initial_y);
|
|
std::cout << std::endl << "D.matrix()=" << D.matrix() << std::endl << std::endl;
|
|
std::cout << "The size of the matrix is " << D.size() << std::endl << std::endl;
|
|
std::cout << "The determinant is " << D.determinant() << std::endl << std::endl;
|
|
std::cout << "The inverse matrix is" << D.inverse_matrix() << std::endl << std::endl;
|
|
std::cout << "The value of the parameters for coefficient (i,j)=(" << i << "," << j << ") is (x,y)=(" << D.get_x(i) << ","
|
|
<< D.get_y(j) << ")" << std::endl << std::endl;
|
|
}
|
|
|