FFDConvergenceCheck Class Reference

Inheritance diagram for FFDConvergenceCheck:

Collaboration diagram for FFDConvergenceCheck:

Public Member Functions
	FFDConvergenceCheck (int n, double t, double r)
	~FFDConvergenceCheck (void)
bool	Check (const std::vector< double > &measures)
Public Member Functions inherited from ConvergenceCheck
	ConvergenceCheck (int n, double t)
virtual	~ConvergenceCheck (void)

Private Attributes
double	rho
std::vector< double >	prevMeasures
std::vector< double >	prevDiff
std::vector< double >	diff

Additional Inherited Members
Protected Attributes inherited from ConvergenceCheck
double	tol

Detailed Description

Definition at line 368 of file trim.cc.

Constructor & Destructor Documentation

FFDConvergenceCheck::FFDConvergenceCheck	(	int	n,
		double	t,
		double	r
	)

Definition at line 382 of file trim.cc.

: ConvergenceCheck(n, t),
rho(r),
prevMeasures(n, 0.),
prevDiff(n, 0.),
diff(n, 0.)
{
        return;
}

FFDConvergenceCheck::~FFDConvergenceCheck ( void  )

inline

Definition at line 377 of file trim.cc.

{};

Member Function Documentation

bool FFDConvergenceCheck::Check ( const std::vector< double > &  measures )

virtual

Implements ConvergenceCheck.

Definition at line 393 of file trim.cc.

References diff, prevDiff, prevMeasures, rho, grad::sqrt(), and ConvergenceCheck::tol.

{
        double  d = 0.;

        for (unsigned i = 0; i < measures.size(); i++) {
                /*
                        diff = rho * (measures - prevMeasures) + (1 - rho) * prevDiff
                 */
                diff[i] = (1 - rho)*prevDiff[i];
                prevDiff[i] = measures[i] - prevMeasures[i];
                diff[i] += rho*prevDiff[i];
                prevMeasures[i] = measures[i];

                d += diff[i]*diff[i];
        }

        if (std::sqrt(d) < tol) {
                return true;
        }

        return false;
}

Here is the call graph for this function:

Member Data Documentation

std::vector<double> FFDConvergenceCheck::diff

private

Definition at line 373 of file trim.cc.

Referenced by Check().

std::vector<double> FFDConvergenceCheck::prevDiff

private

Definition at line 372 of file trim.cc.

Referenced by Check().

std::vector<double> FFDConvergenceCheck::prevMeasures

private

Definition at line 371 of file trim.cc.

Referenced by Check().

double FFDConvergenceCheck::rho

private

Definition at line 370 of file trim.cc.

Referenced by Check().

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

• trim.cc