On Tue, Sep 29, 2009 at 10:22 AM, Neal Becker <ndbecker2@gmail.com> wrote:
This doesn't work either:
def as_double (self): import math def _as_double_1 (x): return math.ldexp (x, -self.frac_bits) vecfunc = np.vectorize (_as_double_1, otypes=[np.float]) return vecfunc (self)
In [49]: obj.as_double() Out[49]: fixed_pt_array([ 0., 1., 2., 3., 4.])
The values are correct, but I wanted a float array, not fixed_pt_array for output.
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np.array(np.ldexp(obj, -obj.frac_bits)) array([ 0., 1., 2., 3., 4.]) np.array(np.ldexp(obj, -obj.frac_bits)).dtype
I don't understand much, but if you just want to convert to a regular float array, you can just create a new array with np.array in as_double, or not? Josef dtype('float64')
type(np.array(np.ldexp(obj, -obj.frac_bits))) <type 'numpy.ndarray'>