/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 hivemall.utils.lang;
public final class FloatAccumulator {
private double value;
// always be greater than 0
private int count;
public FloatAccumulator(float v) {
this.value = v;
this.count = 1;
}
public void add(float v) {
this.value += v;
this.count++;
}
public float get() {
assert (count >= 1) : count;
return (float) (value / count);
}
}