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Posted to commits@commons.apache.org by tn...@apache.org on 2015/03/11 22:09:11 UTC
[math] [MATH-1209] Fix link to algorithm description in
PoissonDistribution#sample(). Thanks to Jonathan Ogilvie
Repository: commons-math
Updated Branches:
refs/heads/master da4cef072 -> bfb3cf8bb
[MATH-1209] Fix link to algorithm description in PoissonDistribution#sample(). Thanks to Jonathan Ogilvie
Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo
Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/bfb3cf8b
Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/bfb3cf8b
Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/bfb3cf8b
Branch: refs/heads/master
Commit: bfb3cf8bba6aab198c4644e236bbc9f3807111d0
Parents: da4cef0
Author: Thomas Neidhart <th...@gmail.com>
Authored: Wed Mar 11 22:08:57 2015 +0100
Committer: Thomas Neidhart <th...@gmail.com>
Committed: Wed Mar 11 22:08:57 2015 +0100
----------------------------------------------------------------------
src/changes/changes.xml | 3 +++
.../commons/math4/distribution/PoissonDistribution.java | 9 ++++++++-
2 files changed, 11 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/commons-math/blob/bfb3cf8b/src/changes/changes.xml
----------------------------------------------------------------------
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index e7f2b92..f3cf214 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -54,6 +54,9 @@ If the output is not quite correct, check for invisible trailing spaces!
</release>
<release version="4.0" date="XXXX-XX-XX" description="">
+ <action dev="tn" type="fix" issue="MATH-1209" due-to="Jonathan Ogilvie">
+ Fixed link to algorithm description in "PoissonDistribution#sample()".
+ </action>
<action dev="tn" type="update" issue="MATH-757">
Removed broken synchronization support in "ResizableDoubleArray".
</action>
http://git-wip-us.apache.org/repos/asf/commons-math/blob/bfb3cf8b/src/main/java/org/apache/commons/math4/distribution/PoissonDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/PoissonDistribution.java b/src/main/java/org/apache/commons/math4/distribution/PoissonDistribution.java
index 7463925..731a6ac 100644
--- a/src/main/java/org/apache/commons/math4/distribution/PoissonDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/PoissonDistribution.java
@@ -173,6 +173,7 @@ public class PoissonDistribution extends AbstractIntegerDistribution {
}
/** {@inheritDoc} */
+ @Override
public double probability(int x) {
final double logProbability = logProbability(x);
return logProbability == Double.NEGATIVE_INFINITY ? 0 : FastMath.exp(logProbability);
@@ -195,6 +196,7 @@ public class PoissonDistribution extends AbstractIntegerDistribution {
}
/** {@inheritDoc} */
+ @Override
public double cumulativeProbability(int x) {
if (x < 0) {
return 0;
@@ -227,6 +229,7 @@ public class PoissonDistribution extends AbstractIntegerDistribution {
*
* For mean parameter {@code p}, the mean is {@code p}.
*/
+ @Override
public double getNumericalMean() {
return getMean();
}
@@ -236,6 +239,7 @@ public class PoissonDistribution extends AbstractIntegerDistribution {
*
* For mean parameter {@code p}, the variance is {@code p}.
*/
+ @Override
public double getNumericalVariance() {
return getMean();
}
@@ -247,6 +251,7 @@ public class PoissonDistribution extends AbstractIntegerDistribution {
*
* @return lower bound of the support (always 0)
*/
+ @Override
public int getSupportLowerBound() {
return 0;
}
@@ -261,6 +266,7 @@ public class PoissonDistribution extends AbstractIntegerDistribution {
* @return upper bound of the support (always {@code Integer.MAX_VALUE} for
* positive infinity)
*/
+ @Override
public int getSupportUpperBound() {
return Integer.MAX_VALUE;
}
@@ -272,6 +278,7 @@ public class PoissonDistribution extends AbstractIntegerDistribution {
*
* @return {@code true}
*/
+ @Override
public boolean isSupportConnected() {
return true;
}
@@ -283,7 +290,7 @@ public class PoissonDistribution extends AbstractIntegerDistribution {
* <ul>
* <li>For small means, uses simulation of a Poisson process
* using Uniform deviates, as described
- * <a href="http://irmi.epfl.ch/cmos/Pmmi/interactive/rng7.htm"> here</a>.
+ * <a href="http://mathaa.epfl.ch/cours/PMMI2001/interactive/rng7.htm"> here</a>.
* The Poisson process (and hence value returned) is bounded by 1000 * mean.
* </li>
* <li>For large means, uses the rejection algorithm described in