[Overview][Types][Classes][Procedures and functions][Index] | Reference for unit 'matrix' (#rtl)

# Tvector4_double

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

Double precision vector of four scalars

## Declaration

Source position: matrix.pp line 125

`type Tvector4_double = object`
`data: Tvector4_double_data;` |  | Internal data of Tvector4.double
`constructor init_zero;` |  | Initializes the vector and sets its elements to zero
`constructor init_one;` |  | Initializes the vector and sets its elements to one
`constructor init();` |  | Initializes the vector, setting its elements to the values passed to the constructor.
`function length;` |  | Calculates the length of the vector.
`function squared_length;` |  | Calculates the squared length of the vector.
`end;`

## Inheritance

`Tvector4_double` |  | Double precision vector of four scalars

## Description

The Tvector4_double object provides a vector of four double precision scalars.

Documentation generated on: May 14 2021