tf_prev_end/3—obtain the end time of the previous active interval of a  time frame at a given time

The syntax for tf_prev_end/3 is as follows:

tf_prev_end($TIMEFRAME,$TIME,$END)
$END=tf_prev_end($TIMEFRAME,$TIME)

tf_prev_end/3 arguments 

Argument

Mode

Type

Description

$TIMEFRAME

Input

OBJECT

Specifies the time frame object

$TIME

Input

INTEGER

Specifies the time for the active interval

$END

Output

INTEGER

End time of previous active interval at the specified time

Use the tf_prev_end/3 to obtain the end time of the previous active interval at $TIME, of time frame $TIMEFRAME in $END.

A 0 value is returned if there is no previous active time frame at the given time.

tf_prev_end/3 example

$END = tf_prev_end($TF,$TM);

 

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