Re: [boost] Boost test - displaying float point numbers

From: John Maddock (john_at_[hidden])
Date: 2006-02-10 05:24:17

> I don't see where you're getting your # of digits
> my calculations show that it's around 14 for 64bit floating and
> around 7 for 32bit
> numeric_limits<>::digits10 shows 6 for float, 15 for double on vc8

Those are the numbers of decimal digits that can be stored without loss in 
binary form, the number of decimal digits needed to represent a binary 
number without loss is somewhat higher (about 2 digits higher will usually 
suffice).

John.