Always false float comparisons

[Andrei Alexandrescu via Digitalmars-d]

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