Re: floor function

Instead of

    mytree.Scan("floor(myfloat_leaf)")
do

    mytree.Scan("TMath::Floor(myfloat_leaf)")

Rene Brun

Marc Escalier wrote:
> Hello,
>
> in root, we can have the integer par of a float number by doing
> something like this
>
> (int) 3.14
> ==>3
>
> floor(3.14)
> ==>3
>
> but how to do the same within a Draw(), a Project() or a Scan() command ?
>
> i mean, let's assume
>
> mytree.Scan("myfloat_leaf")
>
> makes a scan values of the leaf within the tree
> (actually, i don't know if the word leaf is the good word, anyway)
>
> then
> mytree.Scan("floor(myfloat_leaf)")
>
> doesn't work
>
> nor
>
> mytree.Scan("(int)(myfloat_leaf)")
>
> in a more general way, is it possible to do something like
>
> mytree.Scan("complex_function(my_leaf)")
>
> thank you
>
Received on Tue Sep 22 2009 - 21:07:15 CEST