petsc-3.14.6 2021-03-30

SNESSetOptionsPrefix

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

#include "petscsnes.h"  
PetscErrorCode  SNESSetOptionsPrefix(SNES snes,const char prefix[])

Logically Collective on SNES

	snes	- the SNES 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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