On Sat, Jun 21, 2008 at 17:08, Anne Archibald <[EMAIL PROTECTED]> wrote: > My suggestion is this: allow negative indices, accepting the cost in > tight loops. (If bounds checking is enabled, the cost will be > negligible anyway.) Provide a #pragma allowing the user to assert that > a certain piece of code uses no negative indices.
Instead of a #pragma, you could rely on the type of the index. If it is unsigned, you can do the fast path; if it is signed, you need to check for and handle potential negatives. -- Robert Kern "I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth." -- Umberto Eco _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion