# ta.py to check Int8, Int16 import numarray as _n import numarray.numerictypes as _nt b= _n.arange(4, type= _nt.Int8) print 'b, b._type:', b, b._type c= b*1001 # Grief here - type not updated print 'c, c._type:', c, c._type e= _n.array([1, -2, 3000, 4.6], type= _nt.Int8) # undocumented feature fraction discarded # and lowest eight bits retained as a signed # integer. print 'e, e._type:', e, e._type f= _n.array([1, 2, 3, 4.6], type= _nt.Int8) * 9.6 print 'f, f._type:', f, f._type g= (f.copy()*2000).astype(_nt.Int16) # undocumented - see e above print 'g, g._type:', g, g._type -------------------------------------------------------------------- PythonWin 2.3 (#46, Jul 29 2003, 18:54:32) [MSC v.1200 32 bit (Intel)] on win32. Portions Copyright 1994-2001 Mark Hammond (mhammond@skippinet.com.au) - see 'Help/About PythonWin' for further copyright information.
b, b._type: [0 1 2 3] Int8 c, c._type: [ 0 -23 -46 -69] Int8 e, e._type: [ 1 -2 -72 4] Int8 f, f._type: [ 9.6 19.2 28.8 38.4] Float64 g, g._type: [ 19200 -27136 -7937 11264] Int16
Colin W.