Computes the indices : Array Util « Collections Data Structure « C# / C Sharp






  1. C# / C Sharp
  2. Collections Data Structure
  3. Array Util

Computes the indices

  
//http://cbucks.codeplex.com/
//ACADEMIC FREE LICENSE ("AFL") V. 3.0

using System;
using System.Collections.Generic;
using System.Text;

namespace CBucks {

  /// <summary>
  /// The class which provides the array utility functions
  /// </summary>
  internal static class ArrayUtils {

    /// <summary>
    /// Computes the indices 
    /// </summary>
    /// <param name="ind"> The linearized index </param>
    /// <param name="cumSizes"> The array cumulative sizes </param>
    /// <returns> The multidimensional indices </returns>
    internal static int[] getIndices(int ind, int[] cumSizes) {
      int[] inds = new int[cumSizes.Length];
      int rm = ind;
      for(int i = 0; i < inds.Length - 1; i++) {
        inds[i] = rm / cumSizes[inds.Length - i - 2];
        rm %= cumSizes[inds.Length - i - 2];
      }  // end of for()
      inds[inds.Length - 1] = rm;
      return inds;
    }  // end of getIndices()

  }  // end of internal static class ArrayUtils

}  // end of namespace CBucks








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