Re: [Numpy-discussion] Slice assignment and overlapping views (was: Strange behavior in setting masked array values in Numpy 1.1.0)

2008-05-31 Thread Pauli Virtanen
la, 2008-05-31 kello 17:56 -0400, Tony Yu kirjoitti: [clip] > I've been playing around with some software using numpy 1.0.4 and took > a crack at upgrading it to numpy 1.1.0, but I ran into some strange > behavior when assigning to slices of a masked array. [clip] > In [1]: import numpy > > In

Re: [Numpy-discussion] Slice assignment and overlapping views (was: Strange behavior in setting masked array values in Numpy 1.1.0)

2008-05-31 Thread Keith Goodman
On Sat, May 31, 2008 at 3:09 PM, Pauli Virtanen <[EMAIL PROTECTED]> wrote: > > The reason for the strange behavior of slice assignment is that when the > left and right sides in a slice assignment are overlapping views of the > same array, the result is currently effectively undefined. Same is true

Re: [Numpy-discussion] Slice assignment and overlapping views (was: Strange behavior in setting masked array values in Numpy 1.1.0)

2008-06-01 Thread Anne Archibald
2008/5/31 Pauli Virtanen <[EMAIL PROTECTED]>: > The reason for the strange behavior of slice assignment is that when the > left and right sides in a slice assignment are overlapping views of the > same array, the result is currently effectively undefined. Same is true > for ndarrays: > import

Re: [Numpy-discussion] Slice assignment and overlapping views (was: Strange behavior in setting masked array values in Numpy 1.1.0)

2008-06-01 Thread Pauli Virtanen
su, 2008-06-01 kello 03:37 -0400, Anne Archibald kirjoitti: > 2008/5/31 Pauli Virtanen <[EMAIL PROTECTED]>: > > > The reason for the strange behavior of slice assignment is that when > the > > left and right sides in a slice assignment are overlapping views of > the > > same array, the result is c

Re: [Numpy-discussion] Slice assignment and overlapping views (was: Strange behavior in setting masked array values in Numpy 1.1.0)

2008-06-01 Thread Charles R Harris
On Sun, Jun 1, 2008 at 1:37 AM, Anne Archibald <[EMAIL PROTECTED]> wrote: > 2008/5/31 Pauli Virtanen <[EMAIL PROTECTED]>: > > > The reason for the strange behavior of slice assignment is that when the > > left and right sides in a slice assignment are overlapping views of the > > same array, the r