PETSc version 3.17.0
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# PetscOptionsBoolGroupBegin

First in a series of logical queries on the options database for which at most a single value can be true. Logically Collective on the communicator passed in PetscOptionsBegin()

### Synopsis

    #include "petscsys.h"
    PetscErrorCode PetscOptionsBoolGroupBegin(const char opt[],const char text[],const char man[],PetscBool  *flg)

### Input Parameters

| opt | - option name
| text | - short string that describes the option
| man | - manual page with additional information on option

### Output Parameter

| flg | - whether that option was set or not

### Notes

Must be between a PetscOptionsBegin() and a PetscOptionsEnd()

Must be followed by 0 or more PetscOptionsBoolGroup()s and PetscOptionsBoolGroupEnd()

### See Also

PetscOptionsGetInt(), PetscOptionsGetReal(),
PetscOptionsHasName(), PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool(), PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(), PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(), PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(), PetscOptionsFList(), PetscOptionsEList()

### Level

intermediate

### Location

src/sys/objects/aoptions.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages