[ https://issues.apache.org/jira/browse/MATH-677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sébastien Brisard resolved MATH-677. ------------------------------------ Resolution: Fixed Changes proposed to multidimensional FFT will be applied later. > About package "transform" > ------------------------- > > Key: MATH-677 > URL: https://issues.apache.org/jira/browse/MATH-677 > Project: Commons Math > Issue Type: Improvement > Reporter: Gilles > Assignee: Sébastien Brisard > Priority: Minor > Labels: api-change > Fix For: 3.0 > > > Classes in package "o.a.c.m.transform" might require some changes in order to > conform to goals set for the next major release. > Some observations: > # Exceptions {color:red}done (see below){color} > ## Should remove use of deprecated "MathRuntimeException" > ## Should throw more specific "Math...Exception" instances instead of > standard IAE > # Interface "RealTransformer" (and implementations) contain non-conformant > method names (e.g. "inversetransform" instead of "inverseTransform"). > {color:red}Fixed in {{r1208293}}.{color} > # "FastFourierTransformer": > ## Methods "mdfft" and "verifyDataSet" take an argument of type "Object" (to > allow an argument with an unspecified number of dimensions) > ## The "RootsOfUnity" helper class could be moved to the "complex" package. > {color:red}Done in {{r1238898}}{color}. > ## For clarity, multidimensional transform should be moved to a class of its > own (and I also wonder whether the "MultiDimensionalComplexMatrix" name is > not misleading) > # "FastFourierTransformer", "FastSineTranformer" and "FastCosineTranformer" > define public methods "tranform2" and "inversetransform2" but they are not > part of an interface. {color:red}As of {{r1213157}}, these methods have been > removed, and replaced by factory methods {{create()}} and {{createUnitary()}} > (FFT) or {{createOrthogonal()}} (FCT, FST).{color} > # Code uses variables that start with an uppercase. {color:red}Fixed, > together with various formatting issues.{color} > # "FastHadamardTransformer" contains illegible developer documentation (see > Javadoc for protected method "fht"). {color:red}Tried to improve things in > {{r1208986}}, but things are still a bit obscure. Besides, the link provided > is broken. Will look into that.{color} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira