[Numpy-discussion] Merge of date-time branch completed

[Travis Oliphant]

Hello folks,

In keeping with the complaint that the pace of NumPy development is  
too fast, I've finished the merge of the datetime branch to the core.   
The trunk builds and all the (previous) tests pass for me.

There are several tasks remaining to be done (the current status is  
definitely still alpha):

* write many unit tests for the desired behavior  (especially for the  
many different kinds of dates supported)
* finish coercion between datetimes and timedeltas with different  
frequencies
* improve the ufuncs that support datetime and timedelta so that they  
look at the frequency information.
* improve the way datetime arrays print
* probably several other things that I haven't listed

Because of the last point, I will spend my next effort on the work  
updating the proposal to more clearly define some of the expected  
behaviors and write documentation about the expected behavior of the  
new features.

Help, reviews, criticisms, suggestions, fixes, and patches, are most  
welcome.

Best regards,

-Travis





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