Struct UpdateInfo2

• Defined in File update_information.hpp

Struct Documentation

struct UpdateInfo2

Struct to hold information to update RU decomposition of one filtration into the RU decomposition of another filtration.

Brad’s version

Public Functions

inline const std::vector<std::vector<size_t>> &newperm() const

new permutation for index

inline void reverse_for_cohomology()

reverse everything for cohomology

template<class FiltrationType>
inline UpdateInfo2(const FiltrationType &F1, const FiltrationType &F2)

Compute update information to turn RU decomposition for F1 into RU decomposition for F2

ASSUME: F1.maxdim() == F2.maxdim()

Public Members

std::vector<size_t> ndeletions

std::vector<std::vector<size_t>> insertion_indices

std::vector<std::vector<SparseVector<int>>> insertion_cols

std::vector<std::vector<size_t>> perm

std::vector<std::vector<double>> newval

std::vector<std::vector<size_t>> perms2

bool reversed = false