Re: [Numpy-discussion] numpy.array does not take generators

2007-08-17 Thread Timothy Hochberg
On 8/17/07, Barry Wark <[EMAIL PROTECTED]> wrote: > > Is there a reason not to add an argument to fromiter that specifies > the final size of the n-d array? Reading this discussion, I realized > that there are several places in my code where I create 2-D arrays > like this: > > arr = N.array([d.dat

Re: [Numpy-discussion] numpy.array does not take generators

2007-08-17 Thread Barry Wark
Is there a reason not to add an argument to fromiter that specifies the final size of the n-d array? Reading this discussion, I realized that there are several places in my code where I create 2-D arrays like this: arr = N.array([d.data() for d in list_of_data_containers]), where d.data() returns

Re: [Numpy-discussion] numpy.array does not take generators

2007-08-17 Thread Geoffrey Zhu
On 8/17/07, Robert Kern <[EMAIL PROTECTED]> wrote: > Geoffrey Zhu wrote: > > Hi All, > > > > I want to construct a numpy array based on Python objects. In the > > below code, opts is a list of tuples. > > > > For example, > > > > opts=[ ('C', 100, 3, 'A'), ('K', 200, 5.4, 'B')] > > > > If I use a g

[Numpy-discussion] Error in allclose with inf values

2007-08-17 Thread Matthew Brett
Hi, I noticed that allclose does not always behave correctly for arrays with infs. I've attached a test script for allclose, and here's an alternative implementation that I believe behaves correctly. Obviously the test script could be a test case in core/tests/test_numeric.py I wonder if we sho

Re: [Numpy-discussion] .transpose() of memmap array fails to close()

2007-08-17 Thread Anne Archibald
On 16/08/07, Glen W. Mabey <[EMAIL PROTECTED]> wrote: > On Wed, Aug 15, 2007 at 08:50:28PM -0400, Anne Archibald wrote: > > But to be pythonic, or numpythonic, when the original A is > > garbage-collected, the garbage collection should certainly close the > > mmap. > > Humm, this would be less than