jiri/LA_library
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

continueing on permutations

Browse Source
This commit is contained in:
Jiri Pittner
2021-05-19 22:29:47 +02:00
parent 83b9463334
commit 78c94f1e17
9 changed files with 558 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
mat.h
View File

@@ -117,9 +117,14 @@ public:
void copyonwrite(bool detachonly=false);
//! permute matrix elements
const NRMat permute_rows(const NRPerm<int> &p) const;
const NRMat permute_cols(const NRPerm<int> &p) const;
const NRMat permute_both(const NRPerm<int> &p, const NRPerm<int> &q) const;
const NRMat permuted_rows(const NRPerm<int> &p, const bool inverse=false) const;
const NRMat permuted_cols(const NRPerm<int> &p, const bool inverse=false) const;
const NRMat permuted_both(const NRPerm<int> &p, const NRPerm<int> &q, const bool inverse=false) const;
void permuteme_rows(const CyclePerm<int> &p); //in place
void permuteme_cols(const CyclePerm<int> &p); //in place
void scale_row(const int i, const T f); //in place
void scale_col(const int i, const T f); //in place
explicit NRMat(const NRPerm<int> &p, const bool direction); //permutation matrix
/***************************************************************************//**
@@ -349,6 +354,11 @@ public:
// LV - swapping of rows i and j
NRMat & swap_rows(const int i, const int j);
//rotate rows or columns through an angle
NRMat & rotate_cols(const int i, const int j, const T phi);
NRMat & rotate_rows(const int i, const int j, const T phi);
//! multiply by sparse matrix
SparseSMat<T> operator*(const SparseSMat<T> &rhs) const;