Francesc Alted skrev:
>
> Numexpr already uses the Python parser, instead of build a new one.
> However the bytecode emitted after the compilation process is
> different, of course.
>
> Also, I don't see the point in requiring immutable buffers. Could you
> develop this further?
>
If you do lacy evaluation, a function like this could fail without
immutable buffers:
def foobar(x):
y = a*x[:] + b
x[0] = 0 # affects y and anything else depending on x
return y
Immutable buffers are not required, one could document the oddity, but
coding would be very error-prone.
S.M.
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