1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.cts.verifier.audio.audiolib;
18 
19 public class StatUtils {
calculateMeanAbsoluteDeviation(double mean, double[] values)20     public static double calculateMeanAbsoluteDeviation(double mean, double[] values) {
21         double sum = 0.0;
22         for (double value : values) {
23             sum += Math.abs(value - mean);
24         }
25         return sum / values.length;
26     }
27 
calculateMean(double[] values)28     public static double calculateMean(double[] values) {
29         double sum = 0.0;
30         for (double value : values) {
31             sum += value;
32         }
33         return sum / values.length;
34     }
35 }
36