Internal structure for storing trust region stateful data. More...

Public Types
enum class	Status { Interior , NegativeCurvature , OnBoundary , NonDescentDirection }
	enumerates the possible final status of the trust region steps

Public Member Functions
	TrustRegionResults (int size)
	Constructor takes the size of the solution vector.

void	reset ()
	resets trust region results for a new outer iteration

Public Attributes
mfem::Vector	z
	step direction

mfem::Vector	H_z
	action of hessian on current step z

mfem::Vector	d_old
	old step direction

mfem::Vector	H_d_old
	action of hessian on previous step z_old

mfem::Vector	d
	incrementalCG direction

mfem::Vector	H_d
	action of hessian on direction d

mfem::Vector	Pr
	preconditioned residual

mfem::Vector	cauchy_point
	cauchy point

mfem::Vector	H_cauchy_point
	action of hessian on direction of cauchy point

Status	interior_status = Status::Interior
	specifies if step is interior, exterior, negative curvature, etc.

size_t	cg_iterations_count = 0
	iteration counter

Detailed Description

Internal structure for storing trust region stateful data.

Definition at line 244 of file equation_solver.cpp.

The documentation for this struct was generated from the following file:

Public Types