view flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/UnivariateRealFunctionFunction.java @ 4377:512a3af69e18

Extract common generator method from FixLongitudinalSectionGenerator The extracted methods and code can be reused for generating charts for bed differences if fixanalysis data is loaded via the datacache.
author Björn Ricks <bjoern.ricks@intevation.de>
date Fri, 02 Nov 2012 15:47:15 +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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