package spike.palette.paul.com.palettespike;
/*
* Copyright 2014 Chris Banes
*
* 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.
*/
public class FloatUtils {
public static float weightedAverage(float... values) {
assert values.length % 2 == 0;
float sum = 0;
float sumWeight = 0;
for (int i = 0; i < values.length; i += 2) {
float value = values[i];
float weight = values[i + 1];
sum += (value * weight);
sumWeight += weight;
}
return sum / sumWeight;
}
}