The function root_of computes a real root of a square-free univariate polynomial.
The function is guaranteed to be well defined in case the value type, NT, of the iterator range is a model of the FieldWithRootOf concept.
#include <CGAL/number_utils.h>
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returns the k-th real root of the univariate polynomial,
which is defined by the iterator range,
where begin refers to the constant term.
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FieldWithRootOf
AlgebraicStructureTraits::RootOf