1 package jalview.ext.android;
4 * Copyright (C) 2013 The Android Open Source Project
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
20 * Copied to Jalview September 2016.
21 * Only the members of this class required for SparseIntArray were copied.
23 * Sep 2016: Method binarySearch(short[] array, int size, short value) added to support
25 * Jan 2017: EMPTY_DOUBLES added
27 class ContainerHelpers
29 static final boolean[] EMPTY_BOOLEANS = new boolean[0];
31 static final int[] EMPTY_INTS = new int[0];
33 static final double[] EMPTY_DOUBLES = new double[0];
35 static final long[] EMPTY_LONGS = new long[0];
37 static final Object[] EMPTY_OBJECTS = new Object[0];
39 // This is Arrays.binarySearch(), but doesn't do any argument validation.
40 static int binarySearch(int[] array, int size, int value)
46 final int mid = (lo + hi) >>> 1;
47 final int midVal = array[mid];
52 else if (midVal > value)
58 return mid; // value found
61 return ~lo; // value not present
64 static int binarySearch(long[] array, int size, long value)
70 final int mid = (lo + hi) >>> 1;
71 final long midVal = array[mid];
76 else if (midVal > value)
82 return mid; // value found
85 return ~lo; // value not present
88 // This is Arrays.binarySearch(), but doesn't do any argument validation.
89 static int binarySearch(short[] array, int size, short value)
95 final int mid = (lo + hi) >>> 1;
96 final short midVal = array[mid];
101 else if (midVal > value)
107 return mid; // value found
110 return ~lo; // value not present