optimproblem.cpp File Reference

#include "optimproblem.hpp"

Include dependency graph for optimproblem.cpp:

Functions
PetscErrorCode	TaoMonitor (Tao tao, void *ptr)
	Monitors optimization progress during TAO optimization iterations.
PetscErrorCode	TaoEvalObjectiveAndGradient (Tao tao, Vec x, PetscReal *f, Vec G, void *ptr)
	PETSc TAO interface routine for combined objective and gradient evaluation.
PetscErrorCode	TaoEvalObjective (Tao, Vec x, PetscReal *f, void *ptr)
	PETSc TAO interface routine for objective function evaluation.
PetscErrorCode	TaoEvalGradient (Tao, Vec x, Vec G, void *ptr)
	PETSc TAO interface routine for gradient evaluation.

Function Documentation

TaoEvalGradient()

PetscErrorCode TaoEvalGradient	(	Tao	tao,
		Vec	x,
		Vec	G,
		void *	ptr
	)

PETSc TAO interface routine for gradient evaluation.

Parameters

tao	TAO solver object
x	Design vector
G	Gradient vector
ptr	Pointer to user context (OptimProblem instance)

Returns

PetscErrorCode Error code

TaoEvalObjective()

PetscErrorCode TaoEvalObjective	(	Tao	tao,
		Vec	x,
		PetscReal *	f,
		void *	ptr
	)

PETSc TAO interface routine for objective function evaluation.

Parameters

tao	TAO solver object
x	Design vector
f	Pointer to store objective function value
ptr	Pointer to user context (OptimProblem instance)

Returns

PetscErrorCode Error code

TaoEvalObjectiveAndGradient()

PetscErrorCode TaoEvalObjectiveAndGradient	(	Tao	tao,
		Vec	x,
		PetscReal *	f,
		Vec	G,
		void *	ptr
	)

PETSc TAO interface routine for combined objective and gradient evaluation.

Parameters

tao	TAO solver object
x	Design vector
f	Pointer to store objective function value
G	Gradient vector
ptr	Pointer to user context (OptimProblem instance)

Returns

PetscErrorCode Error code

TaoMonitor()

PetscErrorCode TaoMonitor	(	Tao	tao,
		void *	ptr
	)

Monitors optimization progress during TAO optimization iterations.

This callback function is called at each iteration of TaoSolve() to track convergence and output progress information.

Parameters

tao	TAO solver object
ptr	Pointer to user context (OptimProblem instance)

Returns

PetscErrorCode Error code