PETSc version 3.15.5
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PetscOptionsMonitorSet

Sets an ADDITIONAL function to be called at every method that modified the PETSc options database.

Synopsis

#include "petscsys.h"   
PetscErrorCode PetscOptionsMonitorSet(PetscErrorCode (*monitor)(const char name[], const char value[], void*),void *mctx,PetscErrorCode (*monitordestroy)(void**))
Not Collective

Input Parameters

monitor - pointer to function (if this is NULL, it turns off monitoring
mctx - [optional] context for private data for the monitor routine (use NULL if no context is desired)
monitordestroy - [optional] routine that frees monitor context (may be NULL)

Calling Sequence of monitor

    monitor (const char name[], const char value[], void *mctx)

name - option name string
value - option value string
mctx - optional monitoring context, as set by PetscOptionsMonitorSet()

Options Database Keys

See PetscInitialize() for options related to option database monitoring.

Notes

The default is to do nothing. To print the name and value of options being inserted into the database, use PetscOptionsMonitorDefault() as the monitoring routine, with a null monitoring context.

Several different monitoring routines may be set by calling PetscOptionsMonitorSet() multiple times; all will be called in the order in which they were set.

See Also

PetscOptionsMonitorDefault(), PetscInitialize()

Level

intermediate

Location

src/sys/objects/options.c
Index of all Sys routines
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Index of all manual pages