ImageTools/hash/src/main/scala/com/sothr/imagetools/hash/util/TimingUtil.scala

package com.sothr.imagetools.hash.util

import grizzled.slf4j.Logging

trait TimingUtil extends Logging {

	def time[R](block: => R): R = {
		val t0 = System.currentTimeMillis
		val result = block // call-by-name
		val t1 = System.currentTimeMillis
		debug("Elapsed time: " + (t1 - t0) + "ms")
		result
	}

	def getTime[R](block: => R): Long = {
		val t0 = System.currentTimeMillis
		val result = block // call-by-name
		val t1 = System.currentTimeMillis
		debug("Elapsed time: " + (t1 - t0) + "ms")
		t1 - t0
	}

	def getMean(times: Long*): Long = {
		getMean(times.toArray[Long])
	}

	def getMean(times: Array[Long]): Long = {
		var ag = 0L
		for (i <- times.indices) {
			ag += times(i)
		}
		ag / times.length
	}
}