OpenEuphoria

Re: simple eurphoria question

• Posted by Ricardo M. Forno <rmforno at tutopia.com> Dec 07, 2006
• 683 views

c.k.lester wrote:
> 
> Larry Miller wrote:
> > Mike Nelson wrote:
> > > c.k.lester wrote:
> > > > I wrote a function just for this purpose. It's called
> > > >
> > > > round_this_number_toward_zero_remember_that_negative_numbers_are_screwy().
> > > > I sometimes wonder if it's worth typing all that out just for
> > > > if x < 0 then
> > > >    return floor(x+1)
> > > > else
> > > >    return floor(x)
> > > > end if
> > > This is not quite correct. if x is say, -2, it will return -1 rather than
> > > the
> > > correct -2.
> > > This will work:
> > > if integer(x) then
> > >      return x
> > > elsif x<0 then
> > >      return floor(x+1)
> > > else
> > >      return floor(x)
> > > end if
> > A simpler method that works is:
> > if x < 0 then
> >     return -floor(-x)
> > else
> >     return floor(x)
> > end if
> 
> Nice job, you guys. Thanks! :)

Yes, this last solution is simpler, but a bit slower when dealing with
many numbers.
Please see my General functions library, where this and other similar problems
are dealt with.
Regards.