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 expect float32 to be able to represent numbers with exponents as small as -127. Thanks, Dave Cook
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