petsc-3.9.4 2018-09-11
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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
Implementations
PCGAMGSetThresholdScale_GAMG in src/ksp/pc/impls/gamg/gamg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages