view flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/UnivariateRealFunctionFunction.java @ 4232:b3aa91e45010

Implemented the Q evaluation mode for historical discharge calculations. Added the calculation itself, created new facets, added themes and improved the chart generator to support the new facets.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Oct 2012 07:25:35 +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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