I am absolutely sorry about this, try ... var specificValue=0.3 Math.round(num*10)==specificValue*10
On 12/6/06, Yehia Shouman <[EMAIL PROTECTED]> wrote:
Math.round(num)*10 ==3 should work On 12/6/06, T. Michael Keesey <[EMAIL PROTECTED]> wrote: > > Couple of ways. > > Round to the nearest tenth. > Math.round(num * 10) / 10 > > Direct test for 3 in the tenths place: > Math.round(num * 10) % 10 == 3 > > On 12/6/06, Doug Coning < [EMAIL PROTECTED]> wrote: > > Is there a better way to get the decimal value if flash is returning > > .2999999? > > > > The decimal value will always be either .1, .2 or .3. It will not > > exceed that. > > > > I just need to test for a .3 value. > > > > Any ideas? > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of T. > > Michael Keesey > > Sent: Wednesday, December 06, 2006 3:23 PM > > To: Flashcoders mailing list > > Subject: Re: [Flashcoders] Compare Decimal Point Value? > > > > In Flash 9, I get this for the traces: > > 2.3 > > 0.2999999999999998 > > 0.3 > > false > > false > > true > > > > Good old-fashioned floating point precision error. Instead of testing > > if they are equal, You could test if the difference between them is > > very small, e.g.: > > > > trace(Math.abs(num2 - num3) < 0.00001); // true > > > > On 12/6/06, Doug Coning <[EMAIL PROTECTED]> wrote: > > > I'm scratching my head over this. Not sure what I'm doing wrong? I > > > > need to compare a decimal value of a numeric field to see if it > > contains > > > a specific value of 0.3. Here is some sample code: > > > > > > var num:Number = 2.3; > > > var num2:Number = num - int(num); > > > var num3:Number = 0.3; > > > > > > trace(num); // 2.3 > > > trace(num2); // 0.3 > > > trace(num3); // 0.3 > > > trace(num2 == num3);// false > > > trace(num2 > num3);// false > > > trace(num2 < num3);// true > > > > > > Why doesn't 0.3 equal 0.3? I've replaced int with Math.floor(), and > > it > > > still doesn't work. I need to get the value after the decimal point > > > and > > > see if it equals 0.3. > > > > > > Thanks for your help. > _______________________________________________ > [email protected] > To change your subscription options or search the archive: > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > > Brought to you by Fig Leaf Software > Premier Authorized Adobe Consulting and Training > http://www.figleaf.com > http://training.figleaf.com >
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