On 5/16/16 2:46 AM, Walter Bright wrote:
I used to do numerics work professionally. Most of the troubles I had
were catastrophic loss of precision. Accumulated roundoff errors when
doing numerical integration or matrix inversion are major problems. 80
bits helps dramatically with that.
Aren't good algorithms helping dramatically with that?
Also, do you have a theory that reconciles your assessment of the
importance of 80-bit math with the fact that the computing world is
moving away from it?
http://stackoverflow.com/questions/3206101/extended-80-bit-double-floating-point-in-x87-not-sse2-we-dont-miss-it
Andrei
