/*****************************************************************************/
/*IMPORTANT:  READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.         */
/*By downloading, copying, installing or using the software you agree        */
/*to this license.  If you do not agree to this license, do not download,    */
/*install, copy or use the software.                                         */
/*                                                                           */
/*                                                                           */
/*Copyright (c) 2005 Northwestern University                                 */
/*All rights reserved.                                                       */

/*Redistribution of the software in source and binary forms,                 */
/*with or without modification, is permitted provided that the               */
/*following conditions are met:                                              */
/*                                                                           */
/*1       Redistributions of source code must retain the above copyright     */
/*        notice, this list of conditions and the following disclaimer.      */
/*                                                                           */
/*2       Redistributions in binary form must reproduce the above copyright   */
/*        notice, this list of conditions and the following disclaimer in the */
/*        documentation and/or other materials provided with the distribution.*/ 
/*                                                                            */
/*3       Neither the name of Northwestern University nor the names of its    */
/*        contributors may be used to endorse or promote products derived     */
/*        from this software without specific prior written permission.       */
/*                                                                            */
/*THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS    */
/*IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED      */
/*TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT AND         */
/*FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL          */
/*NORTHWESTERN UNIVERSITY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,       */
/*INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES          */
/*(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR          */
/*SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)          */
/*HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,         */
/*STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN    */
/*ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE             */
/*POSSIBILITY OF SUCH DAMAGE.                                                 */
/******************************************************************************/
#ifndef _H_KMEANS
#define _H_KMEANS

#ifndef FLT_MAX
#define FLT_MAX 3.40282347e+38
#endif

/* cluster.c */
int     cluster(int, int, float**, int, float, float***);

/* kmeans_clustering.c */
float **kmeans_clustering(float**, int, int, int, float, int*);
float   euclid_dist_2        (float*, float*, int);
int     find_nearest_point   (float* , int, float**, int);

#endif