[Numpy-discussion] Is a 4 -bit int dtype possible

Brian Granger ellisonbg.net at gmail.com
Fri Nov 13 20:33:57 EST 2009


I have a large binary data set that has 4-bit integers in it.  It is
possible to create a numpy dtype for a 4-bit integer?
I can read the data fine using np.fromfile with a dtype of byte, but to get
the 4-bit ints out I have to bit twiddle which
is a pain.


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