// roundUp rounds x up to a number of the form [1eX, 2eX, 5eX]. 
	func roundUp(n int) int

	// startAlarm starts an alarm if requested. 
	func startAlarm()

	// stopAlarm turns off the alarm. 
	func stopAlarm()

	// 
	func tRunner(t *T, test *InternalTest)


TYPES
	// B is a type passed to Benchmark functions to manage benchmark ...
	type B struct {
		common
		N		int