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student_holes.c

/* TABLIX, PGA highschool timetable generator                              */
/* Copyright (C) 2002 Tomaz Solc                                           */

/* 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 2 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, write to the Free Software             */
/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */

/* $Id: student_holes.c,v 1.4 2003/10/28 20:41:26 avian Exp $ */

/* 
 * AUTHOR:
 *  
 *  Tomaz Solc <tomaz.solc@siol.net>
 *
 * DESCRIPTION:
 *
 *  Adds a weight for each hole (free period) in the class' timetable. For 
 *  example: two free periods surrounded by non-free periods add two weights.
 *
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "data.h"
#include "gettext.h"

int grade_function(chromo *t, int *cpnt, int *tpnt, int **start, int **lead)
{
      int a,b,c;
      int first,last;
      int free,nonfree;
      int sum;

      sum=0;

        for(c=0;c<cmapnum;c++) {
                for(a=0;a<DAYS;a++) {
                        b=0;
                  first=-1;
                  last=-1;
                  free=0;
                  nonfree=0;
                        while (b<PERIODS) {
                                if (*cpnt==-1) {
                              free++;
                        } else {
                              nonfree++;
                              last=b;
                              if (first==-1) first=b;
                        }
                                b++;
                        cpnt++;
                        }

                  if (last!=-1) sum=sum+(PERIODS-nonfree-first-(PERIODS-1-last));
                }
        };
      return(sum);
};

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