io.gatling.charts.stats.StatsHelper.scala Maven / Gradle / Ivy
/*
* Copyright 2011-2021 GatlingCorp (https://gatling.io)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.gatling.charts.stats
private object StatsHelper {
def buckets(min: Long, max: Long, step: Double): Array[Int] = {
val halfStep = step / 2
(0 until math.ceil((max - min) / step).toInt).map(i => (min + step * i + halfStep).round.toInt).toArray
}
def step(min: Long, max: Long, maxPlots: Int): Double = {
val range = max - min
if (range < maxPlots) 1.0
else range / maxPlots.toDouble
}
def timeToBucketNumber(start: Long, step: Double, maxPlots: Int): Long => Int =
time => math.min(((time - start) / step).round.toInt, maxPlots - 1)
}