C++ Ranges proposal for the Standard Library

[via Digitalmars-d]

On Saturday, 18 October 2014 at 15:17:09 UTC, Andrei Alexandrescu 
wrote:
>
> No need to implement it. 
> http://dlang.org/phobos/std_algorithm.html#.sum
>

It isn't accurate. Python's fsum is around 100 lines of c-code 
and AFAIK based on this algorithm:

http://www.cs.berkeley.edu/~jrs/papers/robustr.pdf

more:

https://hg.python.org/cpython/file/7c183c782401/Modules/mathmodule.c#l1063

http://www-pequan.lip6.fr/~graillat/papers/rr2005-03.pdf

But I think an integer version is faster on a large dataset.