petsc-3.8.4 2018-03-24
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PCGAMGSetThresholdScale

 Relative threshold reduction at each level

Synopsis

#include "petscpc.h" 
PetscErrorCode PCGAMGSetThresholdScale(PC pc, PetscReal v)
Not collective on PC

Input Parameters

pc - the preconditioner context
scale - the threshold value reduction, ussually < 1.0

Options Database Key

-pc_gamg_threshold_scale <v> -

See Also

()

Level:advanced
Location:src/ksp/pc/impls/gamg/gamg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages