package android.support.v4.util;
/* loaded from: classes.dex */
class ContainerHelpers {
    static final int[] EMPTY_INTS = new int[0];
    static final long[] EMPTY_LONGS = new long[0];
    static final Object[] EMPTY_OBJECTS = new Object[0];

    ContainerHelpers() {
    }

    public static int idealIntArraySize(int need) {
        return idealByteArraySize(need * 4) / 4;
    }

    public static int idealLongArraySize(int need) {
        return idealByteArraySize(need * 8) / 8;
    }

    public static int idealByteArraySize(int need) {
        for (int i = 4; i < 32; i++) {
            if (need <= (1 << i) - 12) {
                return (1 << i) - 12;
            }
        }
        return need;
    }

    public static boolean equal(Object a, Object b) {
        return a == b || (a != null && a.equals(b));
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public static int binarySearch(int[] array, int size, int value) {
        int lo = 0;
        int hi = size - 1;
        while (lo <= hi) {
            int mid = (lo + hi) >>> 1;
            int midVal = array[mid];
            if (midVal < value) {
                lo = mid + 1;
            } else if (midVal > value) {
                hi = mid - 1;
            } else {
                return mid;
            }
        }
        return lo ^ (-1);
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public static int binarySearch(long[] array, int size, long value) {
        int lo = 0;
        int hi = size - 1;
        while (lo <= hi) {
            int mid = (lo + hi) >>> 1;
            long midVal = array[mid];
            if (midVal < value) {
                lo = mid + 1;
            } else if (midVal > value) {
                hi = mid - 1;
            } else {
                return mid;
            }
        }
        return lo ^ (-1);
    }
}
