# KSP_PRECONDITIONED_NORM

Compute the norm of the preconditioned residual and pass that to the convergence test routine.

### See Also

KSPNormType, KSPSetNormType(), KSP_NO_NORM, KSP_UNPRECONDITIONED_NORM, KSP_NATURAL_NORM, KSPSetConvergenceTest()

Level:advanced
Location:src/ksp/ksp/../../../include/petscksp.h
Index of all KSP routines
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Index of all manual pages