petsc-master 2019-11-16
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PetscOptionsSetFromOptions

Sets options related to the handling of options in PETSc

Synopsis

#include "petscsys.h"   
PetscErrorCode PetscOptionsSetFromOptions(PetscOptions options)
Collective on PETSC_COMM_WORLD

Input Parameter

options -options database, use NULL for default global database

Options Database Keys

-options_monitor <optional filename> - prints the names and values of all runtime options as they are set. The monitor functionality is not available for options set through a file, environment variable, or on the command line. Only options set after PetscInitialize() completes will be monitored.
-options_monitor_cancel - cancel all options database monitors

Notes

To see all options, run your program with the -help option

Level

intermediate

Location

src/sys/objects/options.c

Examples

src/snes/examples/tutorials/ex22.c.html

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Index of all manual pages