petsc-3.14.6 2021-03-30

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SNESNormSchedule

Frequency with which the norm is computed

Synopsis

typedef enum {SNES_NORM_DEFAULT            = -1,
              SNES_NORM_NONE               =  0,
              SNES_NORM_ALWAYS             =  1,
              SNES_NORM_INITIAL_ONLY       =  2,
              SNES_NORM_FINAL_ONLY         =  3,
              SNES_NORM_INITIAL_FINAL_ONLY =  4} SNESNormSchedule;

Support for these is highly dependent on the solver.

Notes

This is primarily used to turn off extra norm and function computation when the solvers are composed.

See Also

SNESSolve(), SNESGetConvergedReason(), KSPSetNormType(),
KSPSetConvergenceTest(), KSPSetPCSide()

Level

advanced

Location

src/snes/../../include/petscsnes.h
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages