cgal/Algebraic_foundations/test/Algebraic_foundations/Scalar_factor_traits.cpp

39 lines
1.4 KiB
C++

#include <CGAL/basic.h>
#include <CGAL/Scalar_factor_traits.h>
#include <cassert>
int main(){
typedef CGAL::Scalar_factor_traits<int> SFT;
CGAL_static_assertion((::boost::is_same<int, SFT::Type>::value));
CGAL_static_assertion((::boost::is_same<int, SFT::Scalar>::value));
typedef SFT::Scalar_factor Scalar_factor;
{
typedef Scalar_factor::result_type result_type;
CGAL_static_assertion((::boost::is_same<int, result_type>::value));
typedef Scalar_factor::argument_type argument_type;
CGAL_static_assertion((::boost::is_same<int, argument_type>::value));
}
typedef SFT::Scalar_div Scalar_div;
{
typedef Scalar_div::result_type result_type;
CGAL_static_assertion((::boost::is_same<void, result_type>::value));
typedef Scalar_div::first_argument_type first_argument_type;
CGAL_static_assertion(
(::boost::is_same<int&, first_argument_type>::value));
typedef Scalar_div::second_argument_type second_argument_type;
CGAL_static_assertion(
(::boost::is_same<int, second_argument_type>::value));
}
int i;
i = 0 ; CGAL::remove_scalar_factor(i); assert( 0 == i);
i = 1 ; CGAL::remove_scalar_factor(i); assert( 1 == i);
i = 2 ; CGAL::remove_scalar_factor(i); assert( 1 == i);
i =-2 ; CGAL::remove_scalar_factor(i); assert(-1 == i);
}