/*
 * 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 org.apache.kylin.common.util;

import java.util.Collection;

public class SumHelper {
    public static Long sumLong(Collection<Long> input) {
        Long sum = 0L;
        for (Long x : input) {
            sum += x;
        }
        return sum;
    }

    public static Long sumInteger(Collection<Integer> input) {
        Long sum = 0L;
        for (Integer x : input) {
            sum += x;
        }
        return sum;
    }

    public static Double sumDouble(Collection<Double> input) {
        Double sum = (double) 0;
        for (Double x : input) {
            sum += x;
        }
        return sum;
    }
}