DSMatGetSize#

Returns the numbers of rows and columns of one of the DS matrices.

Synopsis#

#include "slepcds.h" 
PetscErrorCode DSMatGetSize(DS ds,DSMatType t,PetscInt *m,PetscInt *n)

Not Collective

Input Parameters#

  • ds - the direct solver context

  • t - the requested matrix

Output Parameters#

  • n - the number of rows

  • m - the number of columns

Note#

This is equivalent to MatGetSize() on a matrix obtained with DSGetMat().

See Also#

DS: Direct Solver (or Dense System), DSSetDimensions(), DSGetMat()

Level#

developer

Location#

src/sys/classes/ds/interface/dsops.c

Implementations#

DSMatGetSize_GSVD() in src/sys/classes/ds/impls/gsvd/dsgsvd.c
DSMatGetSize_HSVD() in src/sys/classes/ds/impls/hsvd/dshsvd.c
DSMatGetSize_NEP() in src/sys/classes/ds/impls/nep/dsnep.c
DSMatGetSize_NHEPTS() in src/sys/classes/ds/impls/nhepts/dsnhepts.c
DSMatGetSize_PEP() in src/sys/classes/ds/impls/pep/dspep.c
DSMatGetSize_SVD() in src/sys/classes/ds/impls/svd/dssvd.c

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