BRDFLafortuneFitting.LevenbergMarquardt.Reset C# (CSharp) Method

        protected void Reset()
        {
            if ( m_IterationsCount == 0 )
               m_Lambda = m_InitialLambda;

            for ( int i=0; i < m_Dimension; i++ )
            {
                m_MinPoint[i] = m_InitialPoint[i];
                m_PreviousMinPoint[i] = m_MinPoint[i] - 1.0;
            }

            // Calculate the function value and the jacobian
            m_MinValue = m_Estimator.Eval( m_MinPoint, m_Jacobian );
            m_PreviousMinValue = m_MinValue + 1;

            // Calculate initial scaling factor
            for ( int i=0; i < m_Dimension; i++ )
            {
                double	Diag = 0.0;
                for ( int j=0; j < m_ParametersCount; j++ )
                    Diag += m_Jacobian[j,i] * m_Jacobian[j,i];
                Diag = Math.Sqrt( Diag );
                if ( Diag < Math.Sqrt( EPSILON ) )
                    Diag = 1.0;

                m_Diagonal[i] = Diag;
            }
        }