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/*
 * 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);
    }

}