MatGetOptionsPrefix#

Gets the prefix used for searching for all matrix options in the database.

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatGetOptionsPrefix(Mat A, const char *prefix[])

Not Collective

Input Parameter#

  • A - the matrix

Output Parameter#

  • prefix - pointer to the prefix string used

Fortran Note#

The user should pass in a string prefix of sufficient length to hold the prefix.

See Also#

Matrices, Mat, MatAppendOptionsPrefix(), MatSetOptionsPrefix(), MatAppendOptionsPrefixFactor(), MatSetOptionsPrefixFactor()

Level#

advanced

Location#

src/mat/interface/matrix.c


Index of all Mat routines
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Index of all manual pages