> His hash function depends on the characteristic of the base ring, 
> the matrix entries, the matrix dimension,

I'll revise it so that it is more similar to the current model (while 
preserving speed) and so that sparse=True and sparse=False still hash to the 
same value.

> and also on the size of `unsigned long`.

AFAIK this is standard Python behavior. 

Martin


-- 
name: Martin Albrecht
_pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99
_www: http://www.informatik.uni-bremen.de/~malb
_jab: [EMAIL PROTECTED]


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