PETScUserPreconditioner.h

Note

The documentation on this page was automatically extracted from the DOLFIN C++ code and may need to be edited or expanded.

class PETScUserPreconditioner

Parent class(es)

• PETScObject

This class specifies the interface for user-defined Krylov method PETScPreconditioners. A user wishing to implement her own PETScPreconditioner needs only supply a function that approximately solves the linear system given a right-hand side.

PETScUserPreconditioner()

Constructor

void solve(PETScVector& x, const PETScVector& b) = 0

Solve linear system approximately for given right-hand side b