petsc-master 2019-12-15
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PCJacobiSetType

Causes the Jacobi preconditioner to use either the diagonal, the maximum entry in each row, of the sum of rows entries for the diagonal preconditioner

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCJacobiSetType(PC pc,PCJacobiType type)
Logically Collective on PC

Input Parameters

pc - the preconditioner context
type - PC_JACOBI_DIAGONAL, PC_JACOBI_ROWMAX, PC_JACOBI_ROWSUM

Options Database Key

-pc_jacobi_type <diagonal,rowmax,rowsum> -

See Also

PCJacobiaUseAbs(), PCJacobiGetType()

Level

intermediate

Location

src/ksp/pc/impls/jacobi/jacobi.c

Implementations

PCJacobiSetType_Jacobi in src/ksp/pc/impls/jacobi/jacobi.c

Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages