[Numpy-discussion] Speed performance on array constant set

Travis Oliphant oliphant.travis at ieee.org
Mon Jan 23 08:12:02 CST 2006

Mark Heslep wrote:

> Travis Oliphant wrote:
>> First of all,  try using NumPy instead of Numarray:    import numpy 
>> as na
> Ive got some NumArray C API investment in the typemaps.  Is the C high 
> level API the same, ie. NA_Input, etc?  I havnt found the C API docs 
> on the web site.

The high-level C-API is the same as the old Numeric C-API.  The new 
numarray C-API is not supported at this point.  However, I would like to 
see a numarray compatibility module written so that it is easy to port 
numarray-based C-routines (simply by changing the header). 

I've started such a thing in scipy/Lib/sandbox/nd_image area.  Look at 
these files for guidance:


I'm thinking that a module could be written that contains the entire 
numarray C-API.  


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