Struct PrecomputationOfValues

template<typename NT, typename MT, typename VT>
struct PrecomputationOfValues

Among successive calls of this class methods, we may need to pass data from one call to the next, to avoid repeating computations, or to efficiently update values Warning: this struct assists in many methods; perhaps for different methods use different instances

Public Functions

inline void resetFlags()

Sets all flags to false.

inline void set_mat_size(int const &m)

Public Members

bool computed_A = false

These flags indicate whether the corresponding matrices are computed if yes, we can use them and not compute them fro scratch

bool computed_C = false

bool computed_XY = false

MT A

The matrices the method positiveIntersection receives from its previous call if the flag first_positive_intersection is true. Matrix A is also used in coordinateIntersection

MT B

MT C

MT X

MT Y

VT eigenvector

In method positive_intersect, the distance we are computing corresponds to the minimum positive eigenvalue of a quadratic eigenvalue problem. This will hold the eigenvector for that eigenvalue