petsc-3.14.6 2021-03-30

PetscObjectPrependOptionsPrefix

Sets the prefix used for searching for all options of PetscObjectType in the database.

#include "petscsys.h"    
PetscErrorCode  PetscObjectPrependOptionsPrefix(PetscObject obj,const char prefix[])

	obj	- any PETSc object, for example a Vec, Mat or KSP.
	prefix	- the prefix string to prepend to option requests of the object.

A hyphen (-) must NOT be given at the beginning of the prefix name. The first character of all runtime options is AUTOMATICALLY the hyphen.

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