On 9/20/06, Charles R Harris <[EMAIL PROTECTED]> wrote: > > I guess I'm not really aware of the float96 type ... > > Is that a "machine type" on any system ? I always thought that -- e.g . > > coming from C -- double is "as good as it gets"... > > Who uses float96 ? I heard somewhere that (some) CPUs use 80bits > > internally when calculating 64bit double-precision... > > > I'm going to side with Travis here. It is only a default and easily > overridden. And yes, there are precisions greater than double. I was using > quad precision back in the eighties on a VAX for some inherently ill > conditioned problems. And on my machine long double is 12 bytes. >
And on Intel chips the internal fp precision is 80bits. The D programming language even exposes this 80-bit floating point type to the user. http://www.digitalmars.com/d/type.html http://www.digitalmars.com/d/faq.html#real --bb ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Numpy-discussion mailing list Numpy-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/numpy-discussion
