Charles R Harris wrote: > > > On Wed, May 28, 2008 at 11:22 AM, Stéfan van der Walt > <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote: > > 2008/5/28 Charles R Harris <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>>: > > It's shape related. > > > > In [7]: x = numpy.random.rand(5,2) > > > > In [8]: y = ones((5,2)) > > > > In [9]: x.cumsum(None,out=y) > > Out[9]: > > array([[ 0.76943981, 1. ], > > [ 1.12678411, 1. ], > > [ 1.69498328, 1. ], > > [ 2.50560628, 1. ], > > [ 3.23050034, 1. ]]) > > Yes, that first column doesn't stop there :) > > So, would it work to use a flattened view on the array in > ufuncobject.c? > > > I think the bug is not raising an error on shape mismatch, the > assumption on the first index follows from that. For the out=x > parameter, I propose the rules: > > 1) x must have the shape of the expected output (1D in this case) +1 > 2) x must have the same type as the expected output (currently cast) -lots
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