CGAL 6.2 - Number Types

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leda_real Class Reference
Reference Manual » LEDA

`#include <CGAL/leda_real.h>`

## Definition

The class `leda_real` is a wrapper class that provides the functions needed to use the number type `real`, representing exact real numbers numbers provided by LEDA.

The class `leda_real` provides exact computation over the subset of real numbers that contains integers, and which is closed by the operations \( +,-,\times,/,\sqrt{}\) and \(\sqrt[k]{}\). For LEDA version 5.0 or later `leda_real` is also able to represent real roots of polynomials. Operations and comparisons between objects of this type are guaranteed to be exact.

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

For more details on the number types of LEDA we refer to the LEDA manual [6].