Re: [Numpy-discussion] better error message possible?

2012-06-05 Thread Thouis Jones
On Tue, Jun 5, 2012 at 12:15 PM, Thouis Jones wrote: > On Mon, Jun 4, 2012 at 11:49 PM, Nathaniel Smith wrote: >> On Mon, Jun 4, 2012 at 10:00 PM, Thouis (Ray) Jones wrote: >>> On Mon, Jun 4, 2012 at 4:27 PM, Thouis (Ray) Jones wrote: >>>> I could look into this.

Re: [Numpy-discussion] better error message possible?

2012-06-05 Thread Thouis Jones
On Mon, Jun 4, 2012 at 11:49 PM, Nathaniel Smith wrote: > On Mon, Jun 4, 2012 at 10:00 PM, Thouis (Ray) Jones wrote: >> On Mon, Jun 4, 2012 at 4:27 PM, Thouis (Ray) Jones wrote: >>> I could look into this.  There are only ~10 places the code generates >>> this error, so it should be a pretty min

Re: [Numpy-discussion] .max(0) on reshaped array returns inconsistent results.

2012-05-25 Thread Thouis Jones
On Fri, May 25, 2012 at 2:07 PM, Thouis Jones wrote: > I don't seem to be able to reproduce with just a.max(0) or > np.array(a.max(0), np.float), but since it seems to be very unstable > to other changes in the code, I'll keep trying to find out if I can > make those simpl

Re: [Numpy-discussion] .max(0) on reshaped array returns inconsistent results.

2012-05-25 Thread Thouis Jones
On Fri, May 25, 2012 at 1:52 PM, Nathaniel Smith wrote: > On Fri, May 25, 2012 at 12:46 PM, Thouis (Ray) Jones wrote: >> I'm seeing some strange behavior from .max() on a reshaped array in >> the current master, and wanted to raise it here to make sure it's not >> something uniquely broken in my

[Numpy-discussion] tracing numpy data allocation with python callbacks

2012-05-16 Thread Thouis Jones
I recently had need of tracing numpy data allocation/deallocation. I was unable to find a simple way to do so, and so ended up putting the code below into ndarraytypes.h to allow me to trace allocations. A key part is that this jumps back into python, so I can inspect the stack and find out where

Re: [Numpy-discussion] numpy.array() of mixed integers and strings can truncate data

2011-12-05 Thread Thouis Jones
On Fri, Dec 2, 2011 at 18:53, Charles R Harris wrote: > After sleeping on this, I think an object array in this situation would be > the better choice and wouldn't result in lost information. This might change > the behavior of > some functions though, so would need testing. I tried to come up w

Re: [Numpy-discussion] numpy.array() of mixed integers and strings can truncate data

2011-12-01 Thread Thouis Jones
On Thu, Dec 1, 2011 at 16:29, Benjamin Root wrote: > Does the same problem occur if -345 comes after "ABC"? Yes. >>> np.array(list(reversed([-345,4,2,'ABC']))) array(['ABC', '2', '4', '-34'], dtype='|S3') ___ NumPy-Discussion mailing list NumPy-D

Re: [Numpy-discussion] numpy.array() of mixed integers and strings can truncate data

2011-12-01 Thread Thouis Jones
On Thu, Dec 1, 2011 at 15:47, Pierre Haessig wrote: > Le 01/12/2011 14:52, Thouis (Ray) Jones a écrit : >> Is this expected behavior? >> > np.array([-345,4,2,'ABC']) >> array(['-34', '4', '2', 'ABC'], dtype='|S3') >> >> > With my numpy 1.5.1, I got indeed a different result: > > In [1]: np.arr