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