# Simulink.NumericType

Specify floating-point, integer, or fixed-point data type

## Description

Use a `Simulink.NumericType`

object to set and share numeric
data types for signal, state, and parameter data in a model.

Create an instance of this class in the MATLAB

^{®}base workspace, a model workspace, or a data dictionary. To create a numeric type in a model workspace, you must clear the**Is alias**property.Set the properties of the object to create a custom floating point, integer, or fixed point data type.

Assign the data type to all signals and parameters of your model that you want to conform to the data type.

Assigning a data type in this way allows you to change the data types of the signals and parameters in your model by changing the properties of the object that describe them. You do not have to change the model itself.

To rename a data type in a model and in the code that you generate from a model (by
generating a `typedef`

statement), you can use a `Simulink.AliasType`

object.

## Creation

You can create a `Simulink.NumericType`

object several ways.

Interactively create a

`Simulink.NumericType`

object using the**Type Editor**or**Model Explorer**.Programmatically create a

`Simulink.NumericType`

object using the`Simulink.NumericType`

function described here.

### Description

`typeObj = Simulink.NumericType`

returns a
`Simulink.NumericType`

object with default property
values.

## Properties

## Object Functions

`isboolean` | Determine whether numeric type represents the Boolean data type
`boolean` |

`isdouble` | Determine whether numeric type represents the double-precision, floating-point
data type `double` |

`isfixed` | Determine whether numeric type represents a fixed-point data type |

`isfloat` | Determine whether numeric type represents a floating-point data type |

`isscalingbinarypoint` | Determine whether fixed-point numeric type has binary-point scaling |

`isscalingslopebias` | Determine whether numeric type represents a fixed-point data type with slope-and-bias scaling |

`isscalingunspecified` | Determine whether numeric type represents a data type with unspecified scaling |

`issingle` | Determine whether numeric type represents the single-precision, floating-point
data type `single` |

`ishalf` | Determine whether numeric type represents the half-precision, floating-point data
type `half` |

## Examples

## Extended Capabilities

## Version History

**Introduced before R2006a**