view flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/Distance.java @ 4740:fb135e1dfa35

Added 'type' attribute to <dc:variable/> element. If an optional 'type' attribute is given the result of the XPATH expression is interpreted as this type. Valid values are 'number', 'bool', 'node' and 'nodeset'. All other defaults to 'string' which also is the default if nor type is given.
author Sascha L. Teichmann <teichmann@intevation.de>
date Wed, 02 Jan 2013 15:31:53 +0100
parents 229e9b27ce15
children
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package de.intevation.flys.artifacts.math;

/** Helper to calculate distance(s). */
public final class Distance {
    /** Return distance between two values. */
    public static double distance(double a, double b) {
        return Math.abs(a - b);
    }

    /** Return whether a and be are within a certain distance. */
    public static boolean within(double a, double b, double threshold) {
        return distance(a, b) <= threshold;
    }
}
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