STGetPreconditionerMat#

Returns the matrix previously set by STSetPreconditionerMat().

Synopsis#

#include "slepcst.h" 
PetscErrorCode STGetPreconditionerMat(ST st,Mat *mat)

Not Collective

Input Parameter#

  • st - the spectral transformation context

Output Parameter#

  • mat - the matrix that will be used in constructing the preconditioner or NULL if no matrix was set by STSetPreconditionerMat().

See Also#

ST: Spectral Transformation, STSetPreconditionerMat()

Level#

advanced

Location#

src/sys/classes/st/interface/stfunc.c

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