FB_RandomGenerator - GetLreal (Method)

Overview

Task

The method GetLreal generates a random number.

Description

The method GetLreal generates a random number of type LREAL according to the linear congruence method. Refer to FB_RandomGenerator.

Interface

Input	Data type	Description
i_lrXmin	LREAL	Lower limit value of the random number.
i_lrXmax	LREAL	Upper limit value of the random number.

Output	Data type	Description
q_etResult	ET_Result	Provides diagnostic and status information as an enumeration value.
q_sResultMsg	STRING [80]	Provides additional diagnostic and status information as a text message.

Return Value

Data type	Description
LREAL	Generated random number of type LREAL.

Diagnostic Messages

The following elements of ET_Result are used for q_etResult.

Name	Data type	Value	Description
Ok	UDINT	0	Operation completed successfully.
InitMethodNotCalled	UDINT	21	Initialization method has not yet been executed.