CGAL 6.0.2 - Number Types

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CORE::Expr Class Reference
Number Types Reference » CORE

`#include <CGAL/CORE_Expr.h>`

## Definition

The class `CORE::Expr` provides exact computation over the subset of real numbers that contains integers, and which is closed by the operations \( +,-,\times,/,\sqrt{}\) and \(\sqrt[k]{}\).

Operations and comparisons between objects of this type are guaranteed to be exact. This number type is provided by the Core library [3].

CGAL defines the necessary functions so that this class complies to the requirements on number types.

Is model of
  `FieldWithRootOf`
  `RealEmbeddable`
  `FromDoubleConstructible`