Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/UnivariateRealFunctionFunction.java @ 4187:21f4e4b79121

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Refactor GaugeDischargeCurveFacet to be able to set a facet name For adding another output of the GaugeDischargeCurveArtifact it is necessary to provide to facet instances with different names. Therefore the GaugeDischargeCurveFacet is extended to set the facet name in the constructor.
author Björn Ricks <bjoern.ricks@intevation.de>
date Fri, 19 Oct 2012 13:25:49 +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:
diff changeset
1 package de.intevation.flys.artifacts.math;
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import org.apache.commons.math.FunctionEvaluationException;
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 import org.apache.commons.math.analysis.UnivariateRealFunction;
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7 public final class UnivariateRealFunctionFunction
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8 implements Function
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 {
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10 private UnivariateRealFunction function;
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12 public UnivariateRealFunctionFunction(UnivariateRealFunction function) {
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13 this.function = function;
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14 }
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16 @Override
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 public double value(double x) {
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 try {
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19 return function.value(x);
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 }
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 catch (FunctionEvaluationException fee) {
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 return Double.NaN;
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23 }
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
24 }
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 public UnivariateRealFunction getFunction() {
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 return function;
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 }
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30 public void setFunction(UnivariateRealFunction function) {
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31 this.function = function;
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 }
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 }
893b2477208f Some first models needed for the extreme waterlevels.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org