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["Sebastien Loriot (GeometryFactory)" <>]

mahdavi wrote:
> hi,all
> I have a array of spheres ,and   follow error occured  in  an assignment .
> error is 
> :://////////////////////////////////////////////////////////////////////
> : error C2440: '=' : cannot convert from 'CGAL::Null_functor::result_type'
> to 'double'
> ///////////////////////////////////////////////////////////////////////////.
> my code is:
> /////////////////////////////////// code:
> std::vector<K::Sphere_3>::iterator is=points1.begin();
> float   radius;
> radius=sqrt(is->squared_radius());
> //////////////////////////////////////////////////
> whether someone could guidance  me ? Thank you.
Hello,

I guess the underlying type of your kernel is not double.
What is K?

S.