PETSc version 3.17.5
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MatSTRUMPACKSetColPerm

Set whether STRUMPACK should try to permute the columns of the matrix in order to get a nonzero diagonal

Synopsis

#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetColPerm(Mat F,PetscBool cperm)
Logically Collective on Mat

Input Parameters

F - the factored matrix obtained by calling MatGetFactor() from PETSc-STRUMPACK interface
cperm - PETSC_TRUE to permute (internally) the columns of the matrix

Options Database

-mat_strumpack_colperm <cperm> - true to use the permutation

References

* - STRUMPACK manual

See Also

MatGetFactor()

Level

beginner

Location

src/mat/impls/aij/mpi/strumpack/strumpack.c

Examples

src/ksp/ksp/tutorials/ex52.c.html

Implementations

MatSTRUMPACKSetColPerm_STRUMPACK in src/mat/impls/aij/mpi/strumpack/strumpack.c

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