view flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/UnivariateRealFunctionFunction.java @ 4641:f3325079dacc

Improve the up and down arrows in the theme navigation panel Don't stretch the arrow icons and fit to their actual size. Also put the up buttons on the left and the down buttons on the right.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 04 Dec 2012 16:16:43 +0100
parents 893b2477208f
children
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line source
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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