Re: [boost] [Math/nextafter] A question of naming functions...

From: Michael Fawcett (michael.fawcett_at_[hidden])
Date: 2008-05-05 10:38:13

On Mon, May 5, 2008 at 6:48 AM, John Maddock <john_at_[hidden]> wrote:
>
>  Given that this function is inherently related to the "units in the last
>  place" metric, I wonder if we can compose a name from that?
>
>  Maybe extending the API slightly how about:
>
>  T upl_distance(T, T);      // "representation distance"
>  T relative_distance(T, T); // AKA relative error.
>  T ulp(T);                  // distance between arg and next(arg)
>
>  Thoughts?

I like these a lot.  I was thinking about suggesting ulp_* names last
week but didn't want to get into a discussion on a subject I'm not
very knowledgeable about.

--Michael Fawcett