Hi Takefumi!
operator* takes objects and not pointers. Therefore you have to change
the last line to
root[4] *vec3= (*vec1)*(*vec2)
Greets
Michael
Takefumi SORA writes:
>
> Hi
>
> According to ROOT reference and TVector3 class definition,
> we can use operation(e.g +,*,.) between TVector3 objects.
> For example
> root[0] gSystem->Load("libPhysics")
> root[1] TVector3* vec1 = new TVector3(1,1,1)
> root[2] TVector3* vec2 = new TVector3(2,2,2)
> root[3] TVector3* vec3 = new TVector3()
> root[4] vec3 = vec1*vec2
>
> But when excuting root[4], I got the message:
>
> Illegal operatior pointer 1 FILE:(tmpfile) LINE:1
>
> Why can't I use TVector3 operations?
> Please tell me.
>
> Takefumi
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