/*
 * SVM.NET Library
 * Copyright (C) 2008 Matthew Johnson
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */


namespace SVM
{
    /// <summary>
    /// Interface implemented by range transforms.
    /// </summary>
    public interface IRangeTransform
    {
        /// <summary>
        /// Transform the input value using the transform stored for the provided index.
        /// </summary>
        /// <param name="input">Input value</param>
        /// <param name="index">Index of the transform to use</param>
        /// <returns>The transformed value</returns>
        double Transform(double input, int index);
        /// <summary>
        /// Transforms the input array.
        /// </summary>
        /// <param name="input">The array to transform</param>
        /// <returns>The transformed array</returns>
        Node[] Transform(Node[] input);
    }
}