Routine Name:	getclock

Description:	Returns value of the time interval for the specified clock.

Usage:		clock-value = {getclock clock-number}

Example:	genesis >  echo { getclock 0 }
		5.000000e-05

Notes:		The getclock routine returns the current value of the step
                size for the specified clock (as a floating point number).

See also:	showclocks, useclock, setclock

