Hi,
please take a look at this:
>>> na.sum( na.zeros((2,6)) )
[0 0 0 0 0 0]
>>> na.sum( na.zeros((2,6)) , 0)
[0 0 0 0 0 0]
>>> na.sum( na.zeros((2,6)) , 1)
[0 0]
>>> na.sum( na.zeros((2,6)) , 2)
[0 0]
>>> na.sum( na.zeros((2,6)) , 3)
[0 0]
>>> na.sum( na.zeros((2,6)) , 4)
[0 0]
>>> na.sum( na.zeros((2,6)) , -1)
[0 0]
>>> na.sum( na.zeros((2,6)) , -2)
[0 0 0 0 0 0]
>>> na.sum( na.zeros((2,6)) , -3)
[0 0]
>>> na.sum( na.zeros((2,6)) , -4)
[0 0]
>>>
I think here should be a ValueError exception thrown rather than defaulting to
the '-1'-axis. Comments ?
Thanks,
Sebastian Haase
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