[MATRIX-SIG] Much ado about nothingness.
Konrad Hinsen
hinsen@ibs.ibs.fr
Thu, 10 Jul 1997 11:21:04 +0200
> Has anybody looked at the Missing type from DigiCool ? It has the desired
Noticed, but not looked at...
> behavior for arithmetic operations, but doesn't work correctly for math or
> umath functions. I have no idea how hard this would be to get working, or even
Umath support is easy: just implement methods for each function. For any
unknown type, umath tries to translate the function into a method call, i.e.
sin(x) --> x.sin()
exp(x) --> x.exp()
Anyone implementing numerical types, in C extensions or as Python classes,
should provide this set of methods.
--
-------------------------------------------------------------------------------
Konrad Hinsen | E-Mail: hinsen@ibs.ibs.fr
Laboratoire de Dynamique Moleculaire | Tel.: +33-4.76.88.99.28
Institut de Biologie Structurale | Fax: +33-4.76.88.54.94
41, av. des Martyrs | Deutsch/Esperanto/English/
38027 Grenoble Cedex 1, France | Nederlands/Francais
-------------------------------------------------------------------------------
_______________
MATRIX-SIG - SIG on Matrix Math for Python
send messages to: matrix-sig@python.org
administrivia to: matrix-sig-request@python.org
_______________