petsc-dev 2014-07-21
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PetscOptionsInsert

Inserts into the options database from the command line, the environmental variable and a file.

Synopsis

#include "petscsys.h"   
PetscErrorCode  PetscOptionsInsert(int *argc,char ***args,const char file[])

Input Parameters

argc - count of number of command line arguments
args - the command line arguments
file - optional filename, defaults to ~username/.petscrc

Note

Since PetscOptionsInsert() is automatically called by PetscInitialize(), the user does not typically need to call this routine. PetscOptionsInsert() can be called several times, adding additional entries into the database.

Options Database Keys

See Also

PetscOptionsDestroy_Private(), PetscOptionsView(), PetscOptionsInsertString(), PetscOptionsInsertFile(),
PetscInitialize()

Level:advanced
Location:
src/sys/objects/options.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/snes/examples/tutorials/ex22.c.html
src/snes/examples/tutorials/ex30.c.html
-options_monitor <optional filename> - print options names and values as they are set
-options_file <filename> - read options from a file