Shrink two dimensional array - CSharp System

CSharp examples for System:Array Dimension

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Description

Shrink two dimensional array

Demo Code

/*//from   ww  w.  j  a  v  a  2  s.c o  m
     * 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.
     */
using System.Diagnostics;
using System.Collections.Generic;
using System;

public class Main{
        public static float[][] Shrink(float[][] array, int targetSize)
        {
            Debug.Assert(targetSize >= 0, "size must be positive (got " + targetSize + "): likely integer overflow?");
            int newSize = GetShrinkSize(array.Length, targetSize, RamUsageEstimator.NUM_BYTES_OBJECT_REF);
            if (newSize != array.Length)
            {
                float[][] newArray = new float[newSize][];
                Array.Copy(array, 0, newArray, 0, newSize);
                return newArray;
            }
            else
            {
                return array;
            }
        }
        public static int[][] Shrink(int[][] array, int targetSize)
        {
            Debug.Assert(targetSize >= 0, "size must be positive (got " + targetSize + "): likely integer overflow?");
            int newSize = GetShrinkSize(array.Length, targetSize, RamUsageEstimator.NUM_BYTES_OBJECT_REF);
            if (newSize != array.Length)
            {
                int[][] newArray = new int[newSize][];
                Array.Copy(array, 0, newArray, 0, newSize);
                return newArray;
            }
            else
            {
                return array;
            }
        }
        public static char[] Shrink(char[] array, int targetSize)
        {
            Debug.Assert(targetSize >= 0, "size must be positive (got " + targetSize + "): likely integer overflow?");
            int newSize = GetShrinkSize(array.Length, targetSize, RamUsageEstimator.NUM_BYTES_CHAR);
            if (newSize != array.Length)
            {
                char[] newArray = new char[newSize];
                Array.Copy(array, 0, newArray, 0, newSize);
                return newArray;
            }
            else
            {
                return array;
            }
        }
        public static bool[] Shrink(bool[] array, int targetSize)
        {
            Debug.Assert(targetSize >= 0, "size must be positive (got " + targetSize + "): likely integer overflow?");
            int newSize = GetShrinkSize(array.Length, targetSize, 1);
            if (newSize != array.Length)
            {
                bool[] newArray = new bool[newSize];
                Array.Copy(array, 0, newArray, 0, newSize);
                return newArray;
            }
            else
            {
                return array;
            }
        }
        public static byte[] Shrink(byte[] array, int targetSize)
        {
            Debug.Assert(targetSize >= 0, "size must be positive (got " + targetSize + "): likely integer overflow?");
            int newSize = GetShrinkSize(array.Length, targetSize, 1);
            if (newSize != array.Length)
            {
                var newArray = new byte[newSize];
                Array.Copy(array, 0, newArray, 0, newSize);
                return newArray;
            }
            else
            {
                return array;
            }
        }
        public static long[] Shrink(long[] array, int targetSize)
        {
            Debug.Assert(targetSize >= 0, "size must be positive (got " + targetSize + "): likely integer overflow?");
            int newSize = GetShrinkSize(array.Length, targetSize, RamUsageEstimator.NUM_BYTES_LONG);
            if (newSize != array.Length)
            {
                long[] newArray = new long[newSize];
                Array.Copy(array, 0, newArray, 0, newSize);
                return newArray;
            }
            else
            {
                return array;
            }
        }
        public static int[] Shrink(int[] array, int targetSize)
        {
            Debug.Assert(targetSize >= 0, "size must be positive (got " + targetSize + "): likely integer overflow?");
            int newSize = GetShrinkSize(array.Length, targetSize, RamUsageEstimator.NUM_BYTES_INT);
            if (newSize != array.Length)
            {
                int[] newArray = new int[newSize];
                Array.Copy(array, 0, newArray, 0, newSize);
                return newArray;
            }
            else
            {
                return array;
            }
        }
        public static short[] Shrink(short[] array, int targetSize)
        {
            Debug.Assert(targetSize >= 0, "size must be positive (got " + targetSize + "): likely integer overflow?");
            int newSize = GetShrinkSize(array.Length, targetSize, RamUsageEstimator.NUM_BYTES_SHORT);
            if (newSize != array.Length)
            {
                short[] newArray = new short[newSize];
                Array.Copy(array, 0, newArray, 0, newSize);
                return newArray;
            }
            else
            {
                return array;
            }
        }
}

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