view flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/UnivariateRealFunctionFunction.java @ 4173:7d4480c0e68e

Allow users to select the current relevant discharge table in historical discharge table calculattion. In addition to this, the discharge tables in the helper panel displayed in the client is ordered in time.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 18 Oct 2012 12:13:48 +0200
parents 893b2477208f
children
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package de.intevation.flys.artifacts.math;

import org.apache.commons.math.FunctionEvaluationException;

import org.apache.commons.math.analysis.UnivariateRealFunction;

public final class UnivariateRealFunctionFunction
implements         Function
{
    private UnivariateRealFunction function;

    public UnivariateRealFunctionFunction(UnivariateRealFunction function) {
        this.function = function;
    }

    @Override
    public double value(double x) {
        try {
            return function.value(x);
        }
        catch (FunctionEvaluationException fee) {
            return Double.NaN;
        }
    }

    public UnivariateRealFunction getFunction() {
        return function;
    }

    public void setFunction(UnivariateRealFunction function) {
        this.function = function;
    }
}
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