CGAL users discussion list

[Marc Glisse <>]

On Fri, 10 Sep 2010, srbehera wrote:

> Actually i am using CGAL::Homogeneous<CGAL::Gmpz> kernel.
> Let Point_3 p(x,y,z) is a point.I can use std::cos(a), and a should be
> double.
> If I declare a variable 'double x1' and assigning x1=p.x, then it is giving
> error.

To convert to double:

http://www.cgal.org/Manual/3.6/doc_html/cgal_manual/Algebraic_foundations_ref/Function_to_double.html

--
Marc Glisse