net.anwiba.spatial.coordinate.calculator

Class RobustDeterminantCalculator

java.lang.Object

net.anwiba.spatial.coordinate.calculator.RobustDeterminantCalculator

public class RobustDeterminantCalculator
extends Object

Implements an algorithm to compute the sign of a 2x2 determinant for double precision values robustly. It is a reimplemetation of code developed by Olivier Devillers. Source: http://www-sop.inria.fr/prisme/logiciel/determinant.html Author : Olivier Devillers Olivier.Devillers@sophia.inria.fr

Constructor Summary

Constructors

Constructor and Description
RobustDeterminantCalculator()

Method Summary

Modifier and Type	Method and Description
static int	signOfDet(double x0, double y0, double x1, double y1)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RobustDeterminantCalculator

public RobustDeterminantCalculator()

Method Detail

signOfDet

public static int signOfDet(double x0,
                            double y0,
                            double x1,
                            double y1)