numarray bug: sum, product, alltrue, sometrue
![](https://secure.gravatar.com/avatar/f5cde223cf949507ae7e742558809368.jpg?s=120&d=mm&r=g)
There is a bug in the dimension-reducing functions (sum, product, alltrue, sometrue) in numarray: The outside swapaxes should take into account that one axis is reduced. The expected behavior should be:
A patch is attached below. Huaiyu *** numarray.py~ Tue Jul 2 11:12:24 2002 --- numarray.py Mon Sep 16 23:17:27 2002 *************** *** 995,997 **** else: ! return swapaxes(ufunc.add.reduce(swapaxes(a, 0, axis)), 0, axis) --- 995,997 ---- else: ! return swapaxes(ufunc.add.reduce(swapaxes(a, 0, axis)), 0, axis-1) *************** *** 1014,1016 **** return swapaxes(ufunc.multiply.reduce(swapaxes(a, 0, axis)), ! 0, axis) --- 1014,1016 ---- return swapaxes(ufunc.multiply.reduce(swapaxes(a, 0, axis)), ! 0, axis-1) *************** *** 1034,1036 **** return swapaxes(ufunc.logical_and.reduce(swapaxes(a, 0, axis)), ! 0, axis) def sometrue(a, axis=0): --- 1034,1036 ---- return swapaxes(ufunc.logical_and.reduce(swapaxes(a, 0, axis)), ! 0, axis-1) def sometrue(a, axis=0): *************** *** 1043,1045 **** return swapaxes(ufunc.logical_or.reduce(swapaxes(a, 0, axis)), ! 0, axis) --- 1043,1045 ---- return swapaxes(ufunc.logical_or.reduce(swapaxes(a, 0, axis)), ! 0, axis-1)
participants (1)
-
Huaiyu Zhu