#include <triqs/det_manip/det_manip.hpp>


det_manip::value_type try_change_col_row (long i,
long j,
det_manip::x_type const & x,
det_manip::y_type const & y)

Consider the change the row i and column j and the corresponding x and y

Returns the ratio of det Minv_new / det Minv. This routine does NOT make any modification. It has to be completed with complete_operation().