Struct PCG Solver


int HYPRE_StructPCGCreate(MPI_Comm comm, HYPRE_StructSolver *solver)
Create a solver object
int HYPRE_StructPCGDestroy(HYPRE_StructSolver solver)
Destroy a solver object
HYPRE_StructPCGSetup
Prepare to solve the system
int HYPRE_StructPCGSolve(HYPRE_StructSolver solver, HYPRE_StructMatrix A, HYPRE_StructVector b, HYPRE_StructVector x)
Solve the system
int HYPRE_StructPCGSetTol(HYPRE_StructSolver solver, double tol)
(Optional) Set the convergence tolerance
HYPRE_StructPCGSetAbsoluteTol
(Optional) Set the absolute convergence tolerance (default is 0)
int HYPRE_StructPCGSetMaxIter(HYPRE_StructSolver solver, int max_iter)
(Optional) Set maximum number of iterations
int HYPRE_StructPCGSetTwoNorm(HYPRE_StructSolver solver, int two_norm)
(Optional) Use the two-norm in stopping criteria
int HYPRE_StructPCGSetRelChange(HYPRE_StructSolver solver, int rel_change)
(Optional) Additionally require that the relative difference in successive iterates be small
int HYPRE_StructPCGSetPrecond(HYPRE_StructSolver solver, HYPRE_PtrToStructSolverFcn precond, HYPRE_PtrToStructSolverFcn precond_setup, HYPRE_StructSolver precond_solver)
(Optional) Set the preconditioner to use
int HYPRE_StructPCGSetLogging(HYPRE_StructSolver solver, int logging)
(Optional) Set the amount of logging to do
int HYPRE_StructPCGSetPrintLevel(HYPRE_StructSolver solver, int level)
(Optional) Set the amount of printing to do to the screen
int HYPRE_StructPCGGetNumIterations(HYPRE_StructSolver solver, int *num_iterations)
Return the number of iterations taken
int HYPRE_StructPCGGetFinalRelativeResidualNorm(HYPRE_StructSolver solver, double *norm)
Return the norm of the final relative residual
int HYPRE_StructPCGGetResidual(HYPRE_StructSolver solver, void **residual)
Return the residual
int HYPRE_StructDiagScaleSetup(HYPRE_StructSolver solver, HYPRE_StructMatrix A, HYPRE_StructVector y, HYPRE_StructVector x)
Setup routine for diagonal preconditioning
int HYPRE_StructDiagScale(HYPRE_StructSolver solver, HYPRE_StructMatrix HA, HYPRE_StructVector Hy, HYPRE_StructVector Hx)
Solve routine for diagonal preconditioning

alphabetic index hierarchy of classes


generated by doc++