petsc-3.12.5 2020-03-29

PetscOptionsSetFromOptions

Sets options related to the handling of options in PETSc

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

options -options database, use NULL for default global database

	-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

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

intermediate