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From "Eric Barnhill (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NUMBERS-13) Testing to ensures Complex behavior conforms to ISO C Standards
Date Wed, 05 Jul 2017 12:56:00 GMT

    [ https://issues.apache.org/jira/browse/NUMBERS-13?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16074705#comment-16074705
] 

Eric Barnhill commented on NUMBERS-13:
--------------------------------------

Coming along. I would like to add that not even Matlab gets many of these right. 

Each time I finish validating one of the methods I will push the change.

> Testing to ensures Complex behavior conforms to ISO C Standards
> ---------------------------------------------------------------
>
>                 Key: NUMBERS-13
>                 URL: https://issues.apache.org/jira/browse/NUMBERS-13
>             Project: Commons Numbers
>          Issue Type: Improvement
>            Reporter: Eric Barnhill
>
> C99 specifies a large number of specified standard results for complex trigonometric
operations. A testing regime needs to be set up to check which of these equivalences happen
"automatically" with floating-point, and which special cases need to be detected in the method
and assigned to the result according to the standard.



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