Routine Name:	useclock

Description:	Specifies which clock an element should use during simulation.

Usage:		useclock path clock-number

Example:	useclock /graphform/Vmgraph 1

Notes:		The useclock routine specifies which clock is to be used by a
		GENESIS element.  You might use it, for instance, to allow
		some elements to be updated at greater intervals than the
		basic simulation step.

See also:	showclocks, setclock, getclock

