Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/UnivariateRealFunctionFunction.java @ 4740:fb135e1dfa35
Added 'type' attribute to <dc:variable/> element. If an optional 'type' attribute is given
the result of the XPATH expression is interpreted as this type.
Valid values are 'number', 'bool', 'node' and 'nodeset'. All other defaults
to 'string' which also is the default if nor type is given.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Wed, 02 Jan 2013 15:31:53 +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; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :