source: branches/HeuristicLab.Problems.GaussianProcessTuning/ILNumerics.2.14.4735.573/Functions/builtin/end.cs @ 11194

///
///    This file is part of ILNumerics Community Edition.
///
///    ILNumerics Community Edition - high performance computing for applications.
///    Copyright (C) 2006 - 2012 Haymo Kutschbach, http://ilnumerics.net
///
///    ILNumerics Community Edition is free software: you can redistribute it and/or modify
///    it under the terms of the GNU General Public License version 3 as published by
///    the Free Software Foundation.
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///    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
///    GNU General Public License for more details.
///
///    You should have received a copy of the GNU General Public License
///    along with ILNumerics Community Edition. See the file License.txt in the root
///    of your distribution package. If not, see <http://www.gnu.org/licenses/>.
///
///    In addition this software uses the following components and/or licenses: 
///
///    =================================================================================
///    The Open Toolkit Library License
///    
///    Copyright (c) 2006 - 2009 the Open Toolkit library.
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///    of this software and associated documentation files (the "Software"), to deal
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ILNumerics.Misc; 
using System.Linq.Expressions; 

namespace ILNumerics {
    // ToDo: DOKU add example
    public partial class ILMath {

        private static ILExpression s_end = new ILExpression(Expression.Parameter(typeof(int), "end")); 
        
        /// <summary>
        /// Substitute for the index of the last element of a dimension
        /// </summary>
        /// <remarks>The 'end' placeholder can be used in subarray specification expressions. It will get 
        /// evaluated in a delayed manner, once the index of the dimension (and therefore the dimension length)
        /// is known. It than evaluates to the number of the index of the last element in the dimension.
        /// </remarks>
        public static ILExpression end { 
            get {
                if (object.Equals(s_end, null) || s_end.IsDisposed) {
                    s_end = new ILExpression(Expression.Parameter(typeof(int), "end")); 
                }
                return s_end; 
            }
        }

    }
}