Repository: commons-math Updated Branches: refs/heads/master 10b1c517c -> c8f122c30
MATH-1175 "LaplaceDistribution": Fixed special case of inverse cumulative distribution. Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/17f52a2e Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/17f52a2e Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/17f52a2e Branch: refs/heads/master Commit: 17f52a2e559e68d5c6ccc98fcebb5523161fd0ed Parents: 428a485 Author: Gilles <er...@apache.org> Authored: Wed Dec 3 12:06:03 2014 +0100 Committer: Gilles <er...@apache.org> Committed: Wed Dec 3 12:06:03 2014 +0100 ---------------------------------------------------------------------- src/changes/changes.xml | 7 +++++++ .../commons/math3/distribution/LaplaceDistribution.java | 2 +- 2 files changed, 8 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/commons-math/blob/17f52a2e/src/changes/changes.xml ---------------------------------------------------------------------- diff --git a/src/changes/changes.xml b/src/changes/changes.xml index 8ab9a1a..6d722a6 100644 --- a/src/changes/changes.xml +++ b/src/changes/changes.xml @@ -73,6 +73,13 @@ 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="erans" type="fix" issue="MATH-1175" due-to="Karsten Loesing"> + Fixed inverse cumulative probability of 0 in "LaplaceDistribution". + </action> + <action dev="erans" type="add" issue="MATH-1166"> + New classes "BicubicInterpolatingFunction" and "BicubicInterpolator" to + replace "BicubicSplineInterpolatingFunction" and "BicubicSplineInterpolator". + </action> <action dev="luc" type="fix" issue="MATH-1174" > Fixed a problem with too thin polygons considered to have infinite size. </action> http://git-wip-us.apache.org/repos/asf/commons-math/blob/17f52a2e/src/main/java/org/apache/commons/math3/distribution/LaplaceDistribution.java ---------------------------------------------------------------------- diff --git a/src/main/java/org/apache/commons/math3/distribution/LaplaceDistribution.java b/src/main/java/org/apache/commons/math3/distribution/LaplaceDistribution.java index f8b9355..4badc05 100644 --- a/src/main/java/org/apache/commons/math3/distribution/LaplaceDistribution.java +++ b/src/main/java/org/apache/commons/math3/distribution/LaplaceDistribution.java @@ -107,7 +107,7 @@ public class LaplaceDistribution extends AbstractRealDistribution { if (p < 0.0 || p > 1.0) { throw new OutOfRangeException(p, 0.0, 1.0); } else if (p == 0) { - return 0.0; + return Double.NEGATIVE_INFINITY; } else if (p == 1) { return Double.POSITIVE_INFINITY; }
