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Posted to commits@commons.apache.org by lu...@apache.org on 2015/11/29 20:20:31 UTC
[math] Prevent null pointer exception at integration start.
Repository: commons-math
Updated Branches:
refs/heads/field-ode d724f4edd -> e6c84480c
Prevent null pointer exception at integration start.
Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo
Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/e6c84480
Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/e6c84480
Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/e6c84480
Branch: refs/heads/field-ode
Commit: e6c84480c11877073bb77a74e857fcf427409155
Parents: d724f4e
Author: Luc Maisonobe <lu...@apache.org>
Authored: Sun Nov 29 20:20:18 2015 +0100
Committer: Luc Maisonobe <lu...@apache.org>
Committed: Sun Nov 29 20:20:18 2015 +0100
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.../math3/ode/sampling/AbstractFieldStepInterpolator.java | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/commons-math/blob/e6c84480/src/main/java/org/apache/commons/math3/ode/sampling/AbstractFieldStepInterpolator.java
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diff --git a/src/main/java/org/apache/commons/math3/ode/sampling/AbstractFieldStepInterpolator.java b/src/main/java/org/apache/commons/math3/ode/sampling/AbstractFieldStepInterpolator.java
index bb3d722..6692222 100644
--- a/src/main/java/org/apache/commons/math3/ode/sampling/AbstractFieldStepInterpolator.java
+++ b/src/main/java/org/apache/commons/math3/ode/sampling/AbstractFieldStepInterpolator.java
@@ -160,7 +160,9 @@ public abstract class AbstractFieldStepInterpolator<T extends RealFieldElement<T
globalCurrentState = state;
softCurrentState = globalCurrentState;
- h = globalCurrentState.getTime().subtract(globalPreviousState.getTime());
+ if (globalPreviousState != null) {
+ h = globalCurrentState.getTime().subtract(globalPreviousState.getTime());
+ }
// the step is not finalized anymore
finalized = false;