1: /*
2: Private data structure for Richardson Iteration
3: */
5: #pragma once
7: #include <petsc/private/kspimpl.h>
9: typedef struct {
10: PetscReal scale; /* scaling on preconditioner */
11: PetscBool selfscale; /* determine optimimal scaling each iteration to minimize 2-norm of resulting residual */
12: } KSP_Richardson;