Hi, please try to avoid top-posting.
Vic Kelson wrote: > On Mon, Apr 6, 2009 at 12:19 PM, Lisandro Dalcin wrote: > >> I would do this (at de module-level): >> >> import math >> cdef double PI = math.pi >> >> of perhaps >> >> cdef double PI = 3.14... >> >> and just use "PI" on you cdef functions... >> > I did the first one. I just wanted to make sure that it was resolved at > compile time. Well, not really. The value will be resolved and assigned at *runtime*, or rather module initialisation time. However, *using* the PI variable in your code will not involve any Python API calls, as it's a plain C variable. You can also take the value from math.h (cdef extern from ...), which will avoid any loss in precision due to the type conversion. Stefan _______________________________________________ Cython-dev mailing list [email protected] http://codespeak.net/mailman/listinfo/cython-dev
