com.alibaba.excel.util.IntUtils Maven / Gradle / Ivy

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package com.alibaba.excel.util;

/**
 * Int utils
 *
 * @author Jiaju Zhuang
 **/
public class IntUtils {
    private IntUtils() {}


    /**
     * The largest power of two that can be represented as an {@code int}.
     *
     * @since 10.0
     */
    public static final int MAX_POWER_OF_TWO = 1 << (Integer.SIZE - 2);

    /**
     * Returns the {@code int} nearest in value to {@code value}.
     *
     * @param value any {@code long} value
     * @return the same value cast to {@code int} if it is in the range of the {@code int} type,
     *     {@link Integer#MAX_VALUE} if it is too large, or {@link Integer#MIN_VALUE} if it is too
     *     small
     */
    public static int saturatedCast(long value) {
        if (value > Integer.MAX_VALUE) {
            return Integer.MAX_VALUE;
        }
        if (value < Integer.MIN_VALUE) {
            return Integer.MIN_VALUE;
        }
        return (int) value;
    }
}