[Numpy-discussion] A little help please?
Travis E. Oliphant
Sat Mar 1 22:45:29 CST 2008
Travis E. Oliphant wrote:
> Neal Becker wrote:
>> Travis E. Oliphant wrote:
>> The code for this is a bit hard to understand. It does appear that it only
>> searches for a conversion on the 2nd argument. I don't think that's
>> desirable behavior.
>> What I'm wondering is, this works fine for builtin types. What is different
>> in the handling of builtin types?
> 3) For user-defined types the 1d loops (functions) for a particular
> user-defined type are stored in a linked-list that itself is stored in a
> Python dictionary (as a C-object) attached to the ufunc and keyed by the
> user-defined type (of the first argument).
> Thus, what is missing is code to search all the linked lists in all the
> entries of all the user-defined types on input (only the linked-list
> keyed by the first user-defined type is searched at the moment). This
> would allow similar behavior to the built-in types (but a bit more
> expensive searching).
This code is now in place in current SVN. Could you re-try your example
with the current code-base to see if it is fixed.
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