petsc-3.14.6 2021-03-30
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KSPCheckNorm
Checks if the result of a norm used by the corresponding
KSP
contains Inf or NaN. These indicate that the previous application of the preconditioner generated an error Collective on ksp
Input Parameter
ksp
- the linear solver (
KSP
) context.
Output Parameter
beta
- the result of the norm
Developer Note
this is used to manage returning from
KSP
solvers whose preconditioners have failed in some way
See Also
KSPCreate
(),
KSPSetType
(),
KSP
,
KSPCheckDot
(),
KSPCheckSolve
()
Level
developer
Location
include/petsc/private/kspimpl.h
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages