Pow function re-implementation has been backported to 3.6. Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/d93c95d5 Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/d93c95d5 Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/d93c95d5
Branch: refs/heads/master Commit: d93c95d530cb0ce097fb76784d20640f42dba55b Parents: 2edae4d Author: Luc Maisonobe <l...@apache.org> Authored: Thu Sep 10 10:39:02 2015 +0200 Committer: Luc Maisonobe <l...@apache.org> Committed: Thu Sep 10 10:39:02 2015 +0200 ---------------------------------------------------------------------- src/changes/changes.xml | 6 +++--- src/main/java/org/apache/commons/math4/util/FastMath.java | 4 ++-- 2 files changed, 5 insertions(+), 5 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/commons-math/blob/d93c95d5/src/changes/changes.xml ---------------------------------------------------------------------- diff --git a/src/changes/changes.xml b/src/changes/changes.xml index 443c5ce..47f34d0 100644 --- a/src/changes/changes.xml +++ b/src/changes/changes.xml @@ -54,7 +54,7 @@ If the output is not quite correct, check for invisible trailing spaces! </release> <release version="4.0" date="XXXX-XX-XX" description=""> - <action dev="luc" type="fix" issue="MATH-1272" due-to="Qualtagh"> + <action dev="luc" type="fix" issue="MATH-1272" due-to="Qualtagh"> <!-- backported to 3.6 --> Fixed infinite loop in FastMath.pow(double, long) with Long.MIN_VALUE. </action> <action dev="luc" type="fix" issue="MATH-1266"> <!-- backported to 3.6 --> @@ -158,11 +158,11 @@ If the output is not quite correct, check for invisible trailing spaces! <action dev="luc" type="fix" issue="MATH-1226"> <!-- backported to 3.6 --> Fixed wrong event detection in case of close events pairs. </action> - <action dev="luc" type="add" > + <action dev="luc" type="add" > <!-- backported to 3.6 --> Reimplemented pow(double, double) in FastMath, for better accuracy in integral power cases and trying to fix erroneous JIT optimization again. </action> - <action dev="luc" type="add" > + <action dev="luc" type="add" > <!-- backported to 3.6 --> Added a pow(double, long) method in FastMath. </action> <action dev="luc" type="add" > http://git-wip-us.apache.org/repos/asf/commons-math/blob/d93c95d5/src/main/java/org/apache/commons/math4/util/FastMath.java ---------------------------------------------------------------------- diff --git a/src/main/java/org/apache/commons/math4/util/FastMath.java b/src/main/java/org/apache/commons/math4/util/FastMath.java index 9d0b5c4..3e2ee1f 100644 --- a/src/main/java/org/apache/commons/math4/util/FastMath.java +++ b/src/main/java/org/apache/commons/math4/util/FastMath.java @@ -1619,7 +1619,7 @@ public class FastMath { * @param d Number to raise. * @param e Exponent. * @return d<sup>e</sup> - * @since 4.0 + * @since 3.6 */ public static double pow(double d, long e) { if (e == 0) { @@ -1713,7 +1713,7 @@ public class FastMath { /** Computes this^e. * @param e exponent (beware, here it MUST be > 0; the only exclusion is Long.MIN_VALUE) * @return d^e, split in high and low bits - * @since 4.0 + * @since 3.6 */ private Split pow(final long e) {
