Mercurial > dive4elements > river

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

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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
rev   line source
3733
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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1 package de.intevation.flys.artifacts.math;
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2
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3 import org.apache.commons.math.FunctionEvaluationException;
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4
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5 import org.apache.commons.math.analysis.UnivariateRealFunction;
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6
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7 public final class UnivariateRealFunctionFunction
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8 implements Function
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9 {
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10 private UnivariateRealFunction function;
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11
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12 public UnivariateRealFunctionFunction(UnivariateRealFunction function) {
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13 this.function = function;
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14 }
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15
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16 @Override
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17 public double value(double x) {
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18 try {
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19 return function.value(x);
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20 }
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21 catch (FunctionEvaluationException fee) {
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22 return Double.NaN;
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23 }
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24 }
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25
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26 public UnivariateRealFunction getFunction() {
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27 return function;
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28 }
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29
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30 public void setFunction(UnivariateRealFunction function) {
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31 this.function = function;
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32 }
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33 }
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34 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org