On Wednesday, November 20, 2013 10:54:29 AM UTC-8, Nils Bruin wrote:

>     return [c div g for c in v]
>

Sorry, that's spelled [c // g for c in v]

Incidentally, a typical vector of 20 integers has gcd 1 for its 
coefficients. If that happens a lot in your data, you should shortcut on 
gcd==1 to just return the original list/vector. Allocating the new 
integers/list/vector is probably the majority of the cost.

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