[Numpy-tickets] [NumPy] #346: Invalid promotion of numpy scalar to float64

[NumPy]

#346: Invalid promotion of numpy scalar to float64
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 Reporter:  charris  |       Owner:  somebody
     Type:  defect   |      Status:  new     
 Priority:  normal   |   Milestone:          
Component:  Other    |     Version:          
 Severity:  normal   |    Keywords:          
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 In [95]: a = np.float32(1)

 In [96]: a.dtype
 Out[96]: dtype('float32')

 In [97]: a /= 2

 In [98]: a.dtype
 Out[98]: dtype('float64')

 Result type of a should still be float32. This also holds for +=, -=, and
 *=.

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Ticket URL: <http://projects.scipy.org/scipy/numpy/ticket/346>
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