Return the exponent of this ExactFloat given that the mantissa is in the range \[0.5, 1\). It is an error to call this method if the value is zero, infinity, or NaN.
See Implementation
Return the exponent of this ExactFloat given that the mantissa is in the range \[0.5, 1\). It is an error to call this method if the value is zero, infinity, or NaN.