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GSparseSymbolic.hpp File Reference

Sparse matrix symbolic analysis class definition. More...

Go to the source code of this file.

Classes

class  GSparseSymbolic
 Sparse matrix symbolic analysis class. More...
 

Functions

GMatrixSparse cs_symperm (const GMatrixSparse &matrix, const int *pinv)
 cs_symperm More...
 
GMatrixSparse cs_transpose (const GMatrixSparse &matrix, int values)
 
double cs_cumsum (int *p, int *c, int n)
 cs_cumsum More...
 

Detailed Description

Sparse matrix symbolic analysis class definition.

Author
Juergen Knoedlseder

Definition in file GSparseSymbolic.hpp.

Function Documentation

double cs_cumsum ( int *  p,
int *  c,
int  n 
)

cs_cumsum

Parameters
[out]pInteger array (n+1 elements).
[in]cInteger array (n elements).
[in]nNumber of elements.

Evaluate p[0..n] = cumulative sum of c[0..n-1]

Definition at line 3635 of file GMatrixSparse.cpp.

Referenced by GSparseSymbolic::cholesky_symbolic_analysis(), cs_symperm(), and cs_transpose().

GMatrixSparse cs_symperm ( const GMatrixSparse matrix,
const int *  pinv 
)

cs_symperm

Parameters
[in]matrixMatrix.
[in]pinvTBD.

Returns matrix(p,p) where matrix and matrix(p,p) are symmetric the upper part stored.

Definition at line 3489 of file GMatrixSparse.cpp.

References cs_cumsum(), GMatrixSparse::free_elements(), G_MAX, G_MIN, GMatrixBase::m_cols, GMatrixBase::m_colstart, GMatrixBase::m_data, GMatrixBase::m_elements, and GMatrixSparse::m_rowinx.

Referenced by GSparseNumeric::cholesky_numeric_analysis(), and GSparseSymbolic::cholesky_symbolic_analysis().