CGAL users discussion list

[Eric Berberich <>]

real numbers are not possible ...

for rational: convert your input polynomial to an integral one by 
multiplying with the common denominator of all coefficients ... this 
keeps the zero-set of the bivariate input polynomial (aka 'the curve') 
unchanged

On 6/8/15 16:35, Lee Croft wrote:
> Hello,
>
> I have a question regarding arrangements with algebraic curves defined by
> bi-variate polynomial equations. I have found that it is possible to create
> such arrangements using the Arr_algebraic_segment_traits_2 class, however
> the class is templated to take a coefficient and according to the
> documentation, it can only take one of three types, leda::integer,
> CORE::BigInt, or an instance of CGAL::Sqrt_extension instantiated with an
> integral type. The application that I am making involves the use of
> polynomials which are not guaranteed to have integer coefficients. Is there
> any way to allow for rational or real numbers to be used instead or is there
> another traits class that I could use instead to achieve this?
>
> Thank you,
> Lee
>
>
>
> --
> View this message in context: 
> http://cgal-discuss.949826.n4.nabble.com/Algebraic-curves-with-non-integer-coefficients-tp4660902.html
> Sent from the cgal-discuss mailing list archive at Nabble.com.