STGetMatStructure#
Gets the internal MatStructure attribute to indicate which is the relation of the sparsity pattern of the matrices.
Synopsis#
#include "slepcst.h"
PetscErrorCode STGetMatStructure(ST st,MatStructure *str)
Not Collective
Input Parameter#
st - the spectral transformation context
Output Parameter#
str - either
SAME_NONZERO_PATTERN,DIFFERENT_NONZERO_PATTERN,SUBSET_NONZERO_PATTERN, orUNKNOWN_NONZERO_PATTERN
See Also#
ST: Spectral Transformation, STSetMatStructure(), STSetMatrices(), MatAXPY()
Level#
advanced
Location#
Examples#
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