On Tue, Dec 9, 2008 at 1:40 PM, Robert Kern <robert.kern@gmail.com> wrote:

On Tue, Dec 9, 2008 at 09:51, Nadav Horesh <nadavh@visionsense.com> wrote:
> As much as I know float128 are in fact 80 bits (64 mantissa + 16 exponent) so the precision is 18-19 digits (not 34)

float128 should be 128 bits wide. If it's not on your platform, please
let us know as that is a bug in your build.

I think he means the actual precision is the ieee extended precision, the number just happens to be stored into larger chunks of memory for alignment purposes.

Chuck