Re: [boost] Boost Test Library: general floating point comparisons

From: Gennadiy Rozental (gennadiy.rozental_at_[hidden])
Date: 2007-02-16 22:19:32

"Dave Steffen" <dgsteffen_at_[hidden]> wrote in message 
news:17877.60853.224689.969078_at_yttrium.numerica.us...
> > To put things another way: how many people do you expect to
> > thinking in terms of persentage differences between floating point
> > numbers?  I'm afraid we (mostly) all think in terms of epsilon
> > units, and once in that mind set, converting to persentages just
> > doesn't come naturally.
>
> Right.  At least, that's true of people like me who do mathematical
> stuff.  Maybe there are vast herds of C++ programmers out there who
> think in terms of percentage tolerance, though.
>  I'm not saying it
> was necessarily a bad design problem.  It's a (mildly) bad design for
> what _I_ want, but then, I'm wrapping the whole unit test library up
> in my own interface anyway. :-)

What particularly you are missing/don't like in current interface presented 
by Boost.Test (other than FP comparison tools interface)?

Gennadiy