Commit Graph

4321 Commits

Author SHA1 Message Date
Thomas Neidhart d7c0f27e9f [MATH-836] Improve overflow check for negative values in Fraction constructor.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1368253 13f79535-47bb-0310-9956-ffa450edef68
2012-08-01 21:24:27 +00:00
Gilles Sadowski 63a48705a4 MATH-835
Avoid overflow.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1367593 13f79535-47bb-0310-9956-ffa450edef68
2012-07-31 14:58:01 +00:00
Thomas Neidhart a49e443c44 [MATH-828] Add additional heuristic for rare cases in pivotRow selection.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1367242 13f79535-47bb-0310-9956-ffa450edef68
2012-07-30 19:37:48 +00:00
Thomas Neidhart 107d7f3ea8 Use a TreeSet instead of an ArrayList when dropping columns after phase 1 of the simplex solver to improve performance.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1367227 13f79535-47bb-0310-9956-ffa450edef68
2012-07-30 19:07:05 +00:00
Gilles Sadowski ebc0d3d309 Reverting changes inadvertently committed in revision 1366821.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1366826 13f79535-47bb-0310-9956-ffa450edef68
2012-07-29 12:12:11 +00:00
Gilles Sadowski 72779b2300 MATH-622
Default is now to print 10 fractional digits.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1366821 13f79535-47bb-0310-9956-ffa450edef68
2012-07-29 12:05:48 +00:00
Thomas Neidhart 0ed64edde5 Fixed wrong import for FastMath.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1366717 13f79535-47bb-0310-9956-ffa450edef68
2012-07-28 17:44:32 +00:00
Thomas Neidhart 574c9abbf2 [MATH-828] Fixed numerical instabilities in SimplexSolver leading to unbounded solutions.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1366707 13f79535-47bb-0310-9956-ffa450edef68
2012-07-28 16:37:40 +00:00
Gilles Sadowski 6b537b20f9 Update "changes" file.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1366401 13f79535-47bb-0310-9956-ffa450edef68
2012-07-27 14:59:43 +00:00
Gilles Sadowski e64d8653d1 MATH-762
Created an inner class to collect statements that were duplicated.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1366400 13f79535-47bb-0310-9956-ffa450edef68
2012-07-27 14:56:10 +00:00
Gilles Sadowski b451fdc8e4 MATH-832
Unit test showing that the issue is invalid: For the function referred to in
the JIRA ticket, "BrentSolver" and "BrentOptimizer" agree: the same value is
found to be the minimum of the function and the root of the function's
derivative.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1365984 13f79535-47bb-0310-9956-ffa450edef68
2012-07-26 13:29:56 +00:00
Gilles Sadowski 0062503cf9 MATH-832
Unit test (showing that the report is invalid).


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1365963 13f79535-47bb-0310-9956-ffa450edef68
2012-07-26 12:25:06 +00:00
Gilles Sadowski 31c3a82d4c Added "final" keyword.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1365559 13f79535-47bb-0310-9956-ffa450edef68
2012-07-25 12:40:14 +00:00
Thomas Neidhart 7d077b1431 [MATH-831] Use String.length check instead of isEmpty due to jdk1.5 compatibility.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364793 13f79535-47bb-0310-9956-ffa450edef68
2012-07-23 20:46:28 +00:00
Thomas Neidhart 2166fdac3d Use non-deprecated ctor.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364784 13f79535-47bb-0310-9956-ffa450edef68
2012-07-23 20:20:07 +00:00
Thomas Neidhart f20ae062d3 [MATH-235] Added a hasComplexEigenvalues method.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364783 13f79535-47bb-0310-9956-ffa450edef68
2012-07-23 20:19:52 +00:00
Thomas Neidhart 01e1e93d6a Added MATH-831 to changes.xml.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364779 13f79535-47bb-0310-9956-ffa450edef68
2012-07-23 20:07:29 +00:00
Thomas Neidhart 5553c97842 [MATH-831] Change default format, add static fields in MatrixUtils, replace toString() implementation in AbstractRealMatrix with the default RealMatrixFormat.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364775 13f79535-47bb-0310-9956-ffa450edef68
2012-07-23 19:56:59 +00:00
Gilles Sadowski 303993e923 Fixed typo (svn tag).
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364668 13f79535-47bb-0310-9956-ffa450edef68
2012-07-23 15:07:39 +00:00
Gilles Sadowski f51a7ca5fe Fixed CheckStyle warnings.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364453 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 22:45:15 +00:00
Gilles Sadowski 159ca6ebb9 MATH-827
Deprecated "LegendreGaussIntegrator" (superseded by
"IterativeLegendreGaussIntegrator").


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364452 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 22:30:01 +00:00
Gilles Sadowski 28a66efb76 MATH-827
New "IterativeLegendreGaussIntegrator" class that performs the same algorithm
as the current "LegendreGaussIntegrator" but uses the recently added Gauss  
integration framework (in package "o.a.c.m.analysis.integration.gauss") for
the underlying integration computations.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364444 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 21:56:20 +00:00
Thomas Neidhart 463896f1cc Fix generics warnings in GaussIntegratorFactory.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364420 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 20:01:12 +00:00
Thomas Neidhart 4bef936067 Bit of code cleanup in MullerUpdatingRegression.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364417 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 19:53:53 +00:00
Thomas Neidhart b19f70ba00 [MATH-831] Add a RealMatrixFormat class to (de-)serialize a RealMatrix from its string representation.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364405 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 19:38:36 +00:00
Thomas Neidhart 438938e558 Fix id tags and svn:keywords for optimization package.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364392 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 18:27:12 +00:00
Thomas Neidhart 0d7c65f4bd Fix id tags for TransformType.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364391 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 18:21:57 +00:00
Thomas Neidhart 758d1329be Fix id tags and svn:keywords for stat package.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364390 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 18:21:02 +00:00
Thomas Neidhart c03c4a399e Fix id tags and svn:keywords for util package.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364389 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 18:19:26 +00:00
Thomas Neidhart a25aa0bbef Fixed id tags and svn:keywords for exception.util package.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364388 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 18:16:43 +00:00
Thomas Neidhart 30a037d240 Fix id tags and svn:keywords in analysis package.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364387 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 18:14:11 +00:00
Thomas Neidhart 63bf6a5dcf Fixed id tag, added svn:keywords for exception package.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364378 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 17:42:38 +00:00
Thomas Neidhart 063515d0aa Fixed id tag, added svn:keywords for analysis.function package.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364377 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 17:39:16 +00:00
Thomas Neidhart 85ea9b32bd Added missing keywords setting.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364376 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 17:29:45 +00:00
Thomas Neidhart 5e76de1cc9 Removed unneeded import, fix id tag in header.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364374 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 17:27:02 +00:00
Thomas Neidhart bcd6ebb554 Removed unnecessary return statements, reported by pmd.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364372 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 17:24:20 +00:00
Thomas Neidhart 2f013e3746 Combined two subsequent if statements, reported by pmd.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364371 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 17:23:12 +00:00
Thomas Neidhart 8b7f2a69cf Removed unnecessary return statements, reported by pmd.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364369 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 17:22:05 +00:00
Thomas Neidhart d66e446778 Removed unnecessary return statements, reported by pmd.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364366 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 17:19:22 +00:00
Thomas Neidhart e42f60b937 Checkstyle fix wrt unused imports.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364329 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 15:30:45 +00:00
Thomas Neidhart 9e9d237ad3 Use non-deprecated ctor.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364328 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 15:29:11 +00:00
Thomas Neidhart 072851608e [MATH-578] Improve performance of quantile evaluation in Percentile for special cases.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364318 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 15:00:52 +00:00
Gilles Sadowski 6953c29492 MATH-797
Attribution.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364200 13f79535-47bb-0310-9956-ffa450edef68
2012-07-22 00:57:41 +00:00
Gilles Sadowski d8f4cbb539 MATH-797
Modified test to be Java5 compatible.
Corrected a bug in the (dummy) rule computation.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364137 13f79535-47bb-0310-9956-ffa450edef68
2012-07-21 18:14:26 +00:00
Gilles Sadowski 8287659b3d MATH-797
Added unit test.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364075 13f79535-47bb-0310-9956-ffa450edef68
2012-07-21 12:47:04 +00:00
Gilles Sadowski 3a87c22aee MATH-829
Removed unnecessary "throws Exception" clause from method signature.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364030 13f79535-47bb-0310-9956-ffa450edef68
2012-07-21 01:10:04 +00:00
Gilles Sadowski aa5e60b456 MATH-829
Removed unnecessary (and uninformative) "throws Exception" clauses in
method signature.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364028 13f79535-47bb-0310-9956-ffa450edef68
2012-07-21 00:42:49 +00:00
Gilles Sadowski 1fb8df0850 MATH-797
Performance: synchronization should ensure that the computation of each
rule will be performed once, even if the factory is accessed from multiple
threads.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1364024 13f79535-47bb-0310-9956-ffa450edef68
2012-07-21 00:08:18 +00:00
Gilles Sadowski 6f92d77bb1 Added license header.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1363955 13f79535-47bb-0310-9956-ffa450edef68
2012-07-20 21:27:21 +00:00
Gilles Sadowski 6aab535162 MATH-797
Performance improvement: Caching the converted rules that were already
retrieved, so that the conversion from "Number" occurs only once per rule.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1363875 13f79535-47bb-0310-9956-ffa450edef68
2012-07-20 17:12:30 +00:00