petsc-3.12.5 2020-03-29

PetscViewerSetOptionsPrefix

Sets the prefix used for searching for all PetscViewer options in the database.

#include "petscviewer.h" 
PetscErrorCode  PetscViewerSetOptionsPrefix(PetscViewer viewer,const char prefix[])

Logically Collective on PetscViewer

	viewer	- the PetscViewer context
	prefix	- the prefix to prepend to all option names

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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