Re: [Numpy-discussion] Complex128

20 Jul 2010

      Tue, 20 Jul 2010 08:17:18 +0200, Scott Sinclair wrote:
[clip]
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import numpy as np
np.__version__
'1.4.1'
np.array([0,0], dtype='Complex128')
array([0.0+0.0j, 0.0+0.0j], dtype=complex256)
np.array([0,0], dtype='Complex64')
array([ 0.+0.j,  0.+0.j])
np.array([0,0], dtype='Complex64').dtype
dtype('complex128')
I think this is historical cruft from Numeric:
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import Numeric
Numeric.Complex64
'D'
Numeric.Complex32
'F'
There, the width of complex number was given by specifying the size of 
one element, not the total size.

Numpy should probably raise a DeprecationWarning when someone tries to 
use these old Numeric type codes.

-- 
Pauli Virtanen