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The template function sign returns the sign of a number.
The function is defined if the argument type is a model of the RealEmbeddable concept.
#include <CGAL/number_utils.h>
| template <class NT> | ||
| result_type | sign ( NT x) | returns the sign of the argument. The result_type is convertible to CGAL::Sign. |
RealEmbeddable
RealEmbeddableTraits::Sgn