Re: Clip[] doesn't work as expected

*To*: mathgroup at smc.vnet.net*Subject*: [mg115428] Re: Clip[] doesn't work as expected*From*: Leonid Shifrin <lshifr at gmail.com>*Date*: Tue, 11 Jan 2011 00:32:24 -0500 (EST)

I agree with this. This part of Clip's behavior looks like a bug indeed. Seems to have been fixed in Mathematica 8. On Mon, Jan 10, 2011 at 10:33 AM, Alexey Popkov <lehin.p at gmail.com> wrote: > "Leonid Shifrin" <lshifr at gmail.com> news:igbnil$hi0$1 at smc.vnet.net... > > This behavior is correct, and there is nothing to warn about. You use > > machine-precision arithmetic, > > and your result is within machine epsilon of 1: > > > > In[1]:=Chop[Clip[1.00000000000000036,{0,1}]-1] > > > > Out[1] = 0 > > > > If you want exact result, you need fixed higher precision, and exact > bounds > > in Clip, such as: > > > > In[2]:= Clip[N[1+36*10^(-17),20],{0,1}] > > > > Out[2]= 1 > > > > > > Regards, > > Leonid >