yeah it was a typo for "strip" On Wed, May 7, 2008 at 12:15 AM, Brad Wood <[EMAIL PROTECTED]> wrote: > I'm not sure what you mean by "string" everything, unless that was a > typo for "strip". According to the docs, int is supposed to return then > the next smallest integer. So technically it doesn't even "strip" as > -4.3 would return -5. > > If you pass in an even integer, it should come out unscathed. It > appears in my example; the integer 6 is being stored behind the scenes > as a double and being secretly (and inconsistently) rounded for me. > > ~Brad > > > > -----Original Message----- > From: Greg Morphis [mailto:[EMAIL PROTECTED] > Sent: Tuesday, May 06, 2008 6:02 PM > To: CF-Talk > Subject: Re: CF redefines math: 5 = 6 > > Doesn't int() just string anything after the decimal away? so > 5.99999999 would be 5? > rnd(5.99999) would be 6. ceil(5.9999999999) would also be 6. > > On Tue, May 6, 2008 at 5:40 PM, Brad Wood <[EMAIL PROTECTED]> > wrote: > > My coworker ran into this today. We were able to reproduce it on CF > 6, > > 7, and 8. > > The variable x is equal to 6. When passed into the int function you > get > > 5 back. This must be some sort of precision thing with internal > > rounding. > > > > <cfset x = (2280.66 + 0.00) / 380.11> > > > > <!--- output results ---> > > > > <cfoutput> > > (2280.66 + 0.00) / 380.11=#(2280.66 + 0.00) / 380.11# > > > > <hr> > > x=#x# > > > > <BR> > > val(x)=#val(x)# > > > > <BR> > > int(x)=#int(x)# > > > > </cfoutput> > > > > ================================== > > > > In related news, > > > > int(5.999999999999999) = 5 > > but, > > int(5.9999999999999999) = 6 > > > > Explanations? > > > > I found this and it seemed to help: > > > http://en.wikipedia.org/wiki/Computer_numbering_formats#Representing_fra > > ctions_in_binary > > > > ~Brad > > > > > > > >
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