\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.8 - Algebraic Foundations

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FractionTraits_::Compose Concept Reference
Concepts

## Definition

`AdaptableBinaryFunction`, returns the fraction of its arguments.

Refines:
  `AdaptableBinaryFunction`

See Also
  `Fraction`
  `FractionTraits`
  `FractionTraits_::Decompose`
  `FractionTraits_::CommonFactor`

## Types
typedef FractionTraits::Type | result_type
typedef FractionTraits::Numerator_type | first_argument_type
typedef FractionTraits::Denominator_type | second_argument_type

## Operations
result_type | operator() (first_argument_type n, second_argument_type d)
| return the fraction \( n/d\).