petsc-master 2018-05-19
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PCCompositeSpecialSetAlpha

Sets alpha for the special composite preconditioner for alphaI + R + S

Synopsis

#include "petscksp.h" 
PetscErrorCode  PCCompositeSpecialSetAlpha(PC pc,PetscScalar alpha)
Logically Collective on PC

Input Parameter

pc - the preconditioner context
alpha - scale on identity

Keywords

PC, set, type, composite preconditioner, additive, multiplicative

Level

Developer

Location

src/ksp/pc/impls/composite/composite.c

Implementations

PCCompositeSpecialSetAlpha_Composite in src/ksp/pc/impls/composite/composite.c

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