petsc-3.7.7 2017-09-25
Report Typos and Errors

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