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

CGAL 4.3 - Kinetic Framework

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Kinetic::FunctionKernel::Function Concept Reference
Other Concepts

## Definition

The concept `Function` represents a function.

See Also
  `FunctionKernel`
  `FunctionKernel::ConstructFunction`

Example

Several ways to create functions:

Using `Kinetic::ConstructFunction`:

Traits::Function_kernel::Construct_function cf= traits.function_kernel_object().construct_function_object();
Traits::Kinetic_kernel::Motion_function x= cf(0.0,1.0,2.0);
Traits::Kinetic_kernel::Motion_function y= cf(0.0,1.0,2.0);
Traits::Kinetic_kernel::Point_2 pt(x,y);

Using the constructor:

double coefs[]={1.0, 2.0, 3.0};
Traits::Kinetic_kernel::Motion_function z(coefs, coefs+3);

Using ring operations:

Traits::Kinetic_kernel::Motion_function z= x*z+y;

## Types
typedef unspecified_type | NT
| The number type used in describing the function.
| Function (NT)
| Construct a constant function from a number.

## Operations
NT | operator() (NT)
| Evaluate the function at an `NT`.