Re: [Boost-users] [Multiprecision] Get mantissa of a float

Subject: Re: [Boost-users] [Multiprecision] Get mantissa of a float
From: John Maddock (jz.maddock_at_[hidden])
Date: 2015-05-04 03:26:30

> I'm new to the Multiprecision library, and am trying to extract the 
> mantissa from a float. Using cpp_bin_float, it's easy to get the 
> exponent, but how can I get the mantissa in a normalized form 
> (1.xxxxxxxxxx)? I tried messing with the limbs, they contain large 
> powers of two, but I couldn't interpret that.
>
frexp will give you the exponent and mantissa, same as for regular 
floating point types, is that what you wanted?

John.