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Author SHA1 Message Date
Sebastien Brisard
74d366c819 MATH-849: new unit test showing the relative accuracy of 
Gamma.logGamma(double).


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374909 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-20 03:40:58 +00:00
Luc Maisonobe
f936520bfa use the new function objects were possible in tests. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374632 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-18 18:11:11 +00:00
Luc Maisonobe
4fd62ba05b the regular function objects (Acos, Sqrt, ...) now implement the new UnivariateDifferentiable interface. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374631 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-18 18:10:34 +00:00
Luc Maisonobe
63d00ba803 Polynomials now implement the new UnivariateDifferentiable interface. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374630 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-18 18:09:45 +00:00
Luc Maisonobe
09463e6705 added utilities for differentiable functions 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374629 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-18 18:09:21 +00:00
Luc Maisonobe
93d37df3b3 renamed UnivariateDifferential into UnivariateDifferentiable 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374628 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-18 18:08:57 +00:00
Luc Maisonobe
f175f37038 Typo in comment. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374627 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-18 18:08:29 +00:00
Luc Maisonobe
f3f3fc2595 Added compose to the public API of DerivativeStructure. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374626 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-18 18:08:02 +00:00
Gilles Sadowski
b23e1c330e Javadoc. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374493 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-18 01:10:20 +00:00
Gilles Sadowski
8abe21fe47 Code cleanup: Moved all computations to the constructor, allowing the class 
to be immutable.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374492 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-18 01:09:25 +00:00
Sebastien Brisard
fea45dcee8 Checkstyle: missing license. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374396 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-17 18:54:06 +00:00
Sebastien Brisard
67dcc70533 MATH-843: integrated changes suggested by Dominik Gruntz. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374395 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-17 18:45:49 +00:00
Gilles Sadowski
43c489d7cb Code cleanup: moved all computations to the constructor, allowing to make 
the class immutable.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374308 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-17 15:09:59 +00:00
Gilles Sadowski
bd59fee7a6 Code comment. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374187 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-17 09:50:54 +00:00
Luc Maisonobe
64a7948cee Added log10 to DerivativeStructure and DSCompiler. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374162 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-17 07:15:28 +00:00
Luc Maisonobe
d48f623281 Changed parameters name for consistency with getters and DSCompiler. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374161 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-17 07:15:05 +00:00
Gilles Sadowski
acaf4d9caa Change suggested by "FindBugs". 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374071 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 21:35:14 +00:00
Gilles Sadowski
02123844e8 Javadoc. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374065 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 21:22:09 +00:00
Gilles Sadowski
b1741d1b46 Precondition check. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374054 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 21:00:39 +00:00
Gilles Sadowski
7994d3ee9d MATH-844 
Generate an exception when the parameter guessing procedure cannot perform
correctly (in rare ill-conditioned cases).


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374046 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 20:43:59 +00:00
Thomas Neidhart
91d24dcb6f Disabled random data tests for eigen decomposition, improved checkUnsymmetricMatrix helper. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374031 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 20:14:15 +00:00
Luc Maisonobe
f06fe1c098 Added toDegrees and toRadians to DerivativeStructure. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373782 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 10:08:17 +00:00
Luc Maisonobe
d26fd0236a Added signum to DerivativeStructure. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373781 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 10:07:59 +00:00
Luc Maisonobe
7b090c5eec Added rint and round to DerivativeStructure. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373780 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 10:07:42 +00:00
Luc Maisonobe
486224fd36 Added getExponent, scalb and hypot to DerivativeStructure. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373779 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 10:07:26 +00:00
Luc Maisonobe
4c56e61497 Added expm1 and log1p to DSCompiler and DerivativeStructure. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373778 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 10:07:08 +00:00
Luc Maisonobe
68c813c945 Added copySign to DerivativeStructure. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373777 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 10:06:50 +00:00
Luc Maisonobe
70ea046932 Added ceil and floor to DerivativeStructure. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373776 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 10:06:33 +00:00
Luc Maisonobe
09b90da825 Added abs to DerivativeStructure. 
We handle +0.0/-0.0 correctly, i.e. we flip derivatives sign when value
is negative zero.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373775 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-16 10:06:16 +00:00
Thomas Neidhart
4e72620a37 Fix RealMatrixFormatTests to always use a fixed locale instead of the default one. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373554 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-15 18:30:18 +00:00
Thomas Neidhart
c90de5a469 Use fixed locale for matrix formatter to prevent decimal point problems. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373551 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-15 18:24:25 +00:00
Gilles Sadowski
9b5b8d7d45 Fixed FindBugs warning. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373134 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-14 22:02:06 +00:00
Thomas Neidhart
16a5a02a84 Javadoc fixes. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1373026 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-14 18:50:53 +00:00
Luc Maisonobe
ff43dac3d2 Added hyperbolic trigonometric functions and inverses to DSCompiler. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1372902 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-14 14:25:50 +00:00
Luc Maisonobe
6f859c5f5b Simplified tangent higher derivatives computation. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1372812 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-14 09:45:36 +00:00
Gilles Sadowski
30866a4cd3 MATH-815 
Unit test update (patch provided by Jared Becksfort).


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1372556 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-13 19:14:00 +00:00
Luc Maisonobe
b6d4068162 Added Taylor expansion for DSCompiler. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1372432 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-13 14:14:17 +00:00
Luc Maisonobe
07aa93aae7 Added support for atan2 in DSCompiler. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1372414 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-13 13:06:26 +00:00
Gilles Sadowski
1ec0b8d527 Fixed CheckStyle warnings. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1372208 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-12 22:55:34 +00:00
Gilles Sadowski
0f9adb1875 Code cleanup. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1372199 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-12 21:22:58 +00:00
Luc Maisonobe
33877ac5ed Added support for x^y in DerivativeStructure and DSCompiler. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1371808 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-10 18:58:58 +00:00
Luc Maisonobe
d05fac054e Completed support fo asin, acos and atan in DSCompiler. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1371805 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-10 18:33:06 +00:00
Luc Maisonobe
b46cdf1bd6 Added forgotten notification of recent changes. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1371683 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-10 12:19:48 +00:00
Luc Maisonobe
be1632f3e3 New test for sin and cos derivatives. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1371681 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-10 12:18:12 +00:00
Luc Maisonobe
add45005fc Added Stirling numbers of the second kind in ArithmeticUtils. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1371680 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-10 12:15:23 +00:00
Luc Maisonobe
f2fe724505 Forward the underlying error message when an exception is triggered. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1371671 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-10 11:59:20 +00:00
Luc Maisonobe
746c998e1a Fixed accuracy issues in FastMath.pow(double, int). 
The fixed version is slightly slower, but still much faster than
FastMath.pow(double, double). Some random testing showed that the
accuracy is now always better than 0.5ulp, even for large exponent.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1371670 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-10 11:54:46 +00:00
Gilles Sadowski
f465d0aa69 Code and javadoc cleanup. 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1371264 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-09 15:55:18 +00:00
Gilles Sadowski
dbe216ce60 Unit test for "FastMath.pow(double,int)". 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1371170 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-09 11:40:01 +00:00
Luc Maisonobe
0ee65b7169 added a function to raise a double to an int power 
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1371082 13f79535-47bb-0310-9956-ffa450edef68
 2012-08-09 08:07:25 +00:00