[Numpy-tickets] [NumPy] #907: Simplifying isnan and co replacement

NumPy numpy-tickets@scipy....
Sat Sep 6 22:32:03 CDT 2008

#907: Simplifying isnan and co replacement
 Reporter:  cdavid       |       Owner:  somebody
     Type:  enhancement  |      Status:  new     
 Priority:  normal       |   Milestone:  1.3.0   
Component:  Other        |     Version:  none    
 Severity:  normal       |    Keywords:          
 Here is a patch to simplify isnan, isinf, isfinite and signbit for
 platforms which do not have it.

 The patch does two things:
  - it detects whether the above are available as macro (as mandated by
  - if not, define macro replacement, avoiding bit twiddling as much as
 possible (only signbit is kept).

Ticket URL: <http://scipy.org/scipy/numpy/ticket/907>
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