Alex Martelli wrote: >>>>import Numeric >>>>a=Numeric.array([1,22]) >>>>b=Numeric.array([1,33]) >>>>c = a==b >>>>c > > array([1, 0]) > >>>>assert(c) > > i.e., thanks to element-by-element evaluation, == will generally return > a true value for ANY comparison of Numeric arrays, causing a very > frequent beginner's bug to be sure.
Indeed. This is why numarray and scipy_core have made arrays raise an exception when someone tries to use them as truth values. -- Robert Kern [EMAIL PROTECTED] "In the fields of hell where the grass grows high Are the graves of dreams allowed to die." -- Richard Harter -- http://mail.python.org/mailman/listinfo/python-list
