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[MATH-1149] Fix potential null pointer dereferencing. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1624752 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Thomas Neidhart 2014-09-13 15:36:43 +00:00
parent 78432c9755
commit 2bc9e7ea86
2 changed files with 7 additions and 1 deletions
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4
src/changes/changes.xml
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@ -73,6 +73,10 @@ Users are encouraged to upgrade to this version as this release not
2. A few methods in the FastMath class are in fact slower that their
counterpart in either Math or StrictMath (cf. MATH-740 and MATH-901).
">
<action dev="tn" type="fix" issue="MATH-1149" due-to="M Kim">
Fixed potential null pointer dereferencing in constructor of
"DummyStepInterpolator(DummyStepInterpolator)".
</action>
<action dev="psteitz" type="fix" issue="MATH-1136" due-to="Aleksei Dievskii">
Fixed BinomialDistribution to deal with degenerate cases correctly.
</action>

4
src/test/java/org/apache/commons/math3/ode/sampling/DummyStepInterpolator.java
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@ -80,7 +80,9 @@ public class DummyStepInterpolator
*/
public DummyStepInterpolator(final DummyStepInterpolator interpolator) {
super(interpolator);
currentDerivative = interpolator.currentDerivative.clone();
if (interpolator.currentDerivative != null) {
currentDerivative = interpolator.currentDerivative.clone();
}
}
/** Really copy the finalized instance.