[boost] Re: [test] Confusion about BOOST_CHECK_CLOSE

From: Gennadiy Rozental (gennadiy.rozental_at_[hidden])
Date: 2005-05-25 12:15:08

> If I want to check that two values differ by not more than just one binary
> ULP (least significant bit), is the BOOST_CHECK_CLOSE tolerance
>
> numeric_limits<double>::epsilon() * 100.?
>
> *100. because tolerance is in percent - sniff ;-)

Documentation explicitly emphasize that tolerance is in percents. Previously 
there was a lot of confusion, when people tried to employ this check to do 
absolute comparisons. Now it's clear - comparisons are relative (to the 
value modules)

Gennadiy