petsc-master 2019-09-17
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PCJacobiGetUseAbs

Determines if the Jacobi preconditioner uses the absolute values of the digonal divisors in the preconditioner

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCJacobiGetUseAbs(PC pc,PetscBool *flg)
Logically Collective on PC

Input Parameter

pc -the preconditioner context

Output Parameter

flg -whether to use absolute values or not

Options Database Key

-pc_jacobi_abs -

See Also

PCJacobiaSetType(), PCJacobiSetUseAbs(), PCJacobiGetType()

Level

intermediate

Location

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

Implementations

PCJacobiGetUseAbs_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