view flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/UnivariateRealFunctionFunction.java @ 4478:6153c50f78cf

WaterLineArtifact: Added callcontext-parameter to interfaces getWaterLine. Update all implementations. The change was done to be able to compute the extreme values during getWaterLine to access data needed in CrossSectionProfile Diagrams.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 13 Nov 2012 14:46:44 +0100
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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