On Wed, Oct 2, 2013 at 6:06 PM, Matthew Brett wrote:
>
>
> Is it possible you are thinking of 2**-126 rather than 10**-126?
>
>
Yup, brainfart...
> In [3]: print np.finfo(np.float32)
> Machine parameters for float32
> -
> preci
Hi,
On Wed, Oct 2, 2013 at 6:00 PM, Dave Cook wrote:
> Can someone explain what is going on here?
>
> In [153]:
>
> small = ones(1, dtype='float32')
>
> In [154]:
>
> small
>
> Out[154]:
>
> array([ 1.], dtype=float32)
>
> In [155]:
>
> small*1e-45
>
> Out[155]:
>
> array([ 1.40129846e-45], dtyp
Can someone explain what is going on here?
In [153]:
small = ones(1, dtype='float32')
In [154]:
small
Out[154]:
array([ 1.], dtype=float32)
In [155]:
small*1e-45
Out[155]:
array([ 1.40129846e-45], dtype=float32)
In [156]:
small*1e-46
Out[156]:
array([ 0.], dtype=float32)
I would exp
