9 Dec
2008
9 Dec
'08
11:33 a.m.
On Tue, Dec 9, 2008 at 5:15 PM, Steve Holden <steve@holdenweb.com> wrote:
precision than the usual 56-bit mantissa. Do modern 64-bit systems implement anything wider than the normal double?
I may have misinterpreted your question. Are you asking simply about what the hardware provides, or about what the C compiler and library support? Or something else entirely? It looks like IEEE-conforming 128-bit floats would have a 113-bit mantissa (including the implicit leading '1' bit). Mark