------- Comment #11 from gdr at integrable-solutions dot net 2006-01-30 07:54 ------- Subject: Re: std::advance() isn't stable for floating point numbers
"Woebbeking at web dot de" <[EMAIL PROTECTED]> writes: | On Monday 30 January 2006 02:09, pcarlini at suse dot de wrote: | > ------- Comment #9 from pcarlini at suse dot de 2006-01-30 01:09 | > ------- (In reply to comment #7) | > | > > reading the standard specification let me under the impression that | > > Distance is supposed to "related" to difference_type. For example | > > the distance between the p before and after calling distance(p, n) | > > is supposed to be n. So I would suggest conversion to the | > > difference_type of the iterator as a momentary resolution. | > | > Excellent idea. | | FYI, I suggested tests for > 0 and < 0 as MSVC 7.1 does it that way. | | If you convert Distance to difference_type the question is what happens | if Distance is i.e. 0.2. Do you advance by 0 or 1 position? does not that follow from the conversion rule? -- Gaby -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26020