Re: [Numpy-discussion] numpy.ma bug: need sanity check in masked_where

2008-03-18 Thread Stéfan van der Walt
Hi Pierre

Thanks for your fix for #703.  Unfortunately, it seems to have broken
some tests:

http://buildbot.scipy.org/builders/Windows_XP_x86_MSVC/builds/276/steps/shell_2/logs/stdio

Regards
Stéfan

On Mon, Mar 17, 2008 at 7:26 PM, Eric Firing [EMAIL PROTECTED] wrote:
 Pierre,

  I just tripped over what boils down to the sequence given below.  It
  would be useful if the error in line 53 were trapped right away; as it
  is, it results in a masked array that looks reasonable but fails in a
  non-obvious way.

  Eric

  In [52]:x = [1,2]

  In [53]:y = ma.masked_where(False, x)

  In [54]:y
  Out[54]:
  masked_array(data = [1 2],
mask = False,
fill_value=99)


  In [55]:y[1]
  ---
  IndexErrorTraceback (most recent call last)

  /home/efiring/ipython console in module()

  /usr/local/lib/python2.5/site-packages/numpy/ma/core.pyc in
  __getitem__(self, indx)
 1307 if not getattr(dout,'ndim', False):
 1308 # Just a scalar
  - 1309 if m is not nomask and m[indx]:
 1310 return masked
 1311 else:

  IndexError: 0-d arrays can't be indexed
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Re: [Numpy-discussion] numpy.ma bug: need sanity check in masked_where

2008-03-17 Thread Charles R Harris
File a ticket.

On Mon, Mar 17, 2008 at 12:26 PM, Eric Firing [EMAIL PROTECTED] wrote:

 Pierre,

 I just tripped over what boils down to the sequence given below.  It
 would be useful if the error in line 53 were trapped right away; as it
 is, it results in a masked array that looks reasonable but fails in a
 non-obvious way.

 Eric

 In [52]:x = [1,2]

 In [53]:y = ma.masked_where(False, x)

 In [54]:y
 Out[54]:
 masked_array(data = [1 2],
   mask = False,
   fill_value=99)


 In [55]:y[1]

 ---
 IndexErrorTraceback (most recent call
 last)

 /home/efiring/ipython console in module()

 /usr/local/lib/python2.5/site-packages/numpy/ma/core.pyc in
 __getitem__(self, indx)
1307 if not getattr(dout,'ndim', False):
1308 # Just a scalar
 - 1309 if m is not nomask and m[indx]:
1310 return masked
1311 else:

 IndexError: 0-d arrays can't be indexed

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Re: [Numpy-discussion] numpy.ma bug: need sanity check in masked_where

2008-03-17 Thread Eric Firing
Charles R Harris wrote:
 File a ticket.

#703

Eric

 
 On Mon, Mar 17, 2008 at 12:26 PM, Eric Firing [EMAIL PROTECTED] 
 mailto:[EMAIL PROTECTED] wrote:
 
 Pierre,
 
 I just tripped over what boils down to the sequence given below.  It
 would be useful if the error in line 53 were trapped right away; as it
 is, it results in a masked array that looks reasonable but fails in a
 non-obvious way.
 
 Eric
 
 In [52]:x = [1,2]
 
 In [53]:y = ma.masked_where(False, x)
 
 In [54]:y
 Out[54]:
 masked_array(data = [1 2],
   mask = False,
   fill_value=99)
 
 
 In [55]:y[1]
 
 ---
 IndexErrorTraceback (most recent
 call last)
 
 /home/efiring/ipython console in module()
 
 /usr/local/lib/python2.5/site-packages/numpy/ma/core.pyc in
 __getitem__(self, indx)
1307 if not getattr(dout,'ndim', False):
1308 # Just a scalar
 - 1309 if m is not nomask and m[indx]:
1310 return masked
1311 else:
 
 IndexError: 0-d arrays can't be indexed
 
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