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/* TABLIX, PGA general timetable solver */
/* Copyright (C) 2002-2005 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: events_sameday.c,v 1.2 2005-10-29 18:26:20 avian Exp $ */
/** @module
*
* @author Antonio Duran
* @author-email antonio.duran.terres@gmail.com
*
* @credits
* Modified by Tomaz Solc
*
* @brief
* Adds a weight if two specified events are scheduled on the same day.
*
* @ingroup School scheduling, General
*/
/** @tuple-restriction not-same-day-as
*
* Set this restriction to prevent the current event from being scheduled in
* the same day as the one specified in the restriction.
*
* Example:
*
* <event name="A" repeats="3">
* ...
* <restriction type="not-same-day-as">B</restriction>
* </event>
* <event name="B" repeats="4">
* ...
* </event>
*
* In this example no "A" event will be scheduled on the same day as a "B"
* event
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "module.h"
static int periods, days;
struct sameday_t {
int id1;
int id2;
};
struct sameday_t *sameday;
int numsameday;
int getevent(char *restriction, char *cont, tupleinfo *tuple)
{
int tupleid;
int i, found = 0;
if(!(*cont)) {
error(_("restriction '%s' requires an argument"), restriction);
return(-1);
}
tupleid=tuple->tupleid;
for (i = 0; i < dat_tuplenum; i++)
{
if (strcmp (cont, dat_tuplemap[i].name) == 0)
{
sameday[numsameday].id1 = tupleid;
sameday[numsameday].id2 = dat_tuplemap[i].tupleid;
numsameday++;
found = 1;
}
}
if (!found) {
error(_("restriction '%s' specifies an unknown event '%s'"),
restriction, cont);
return(-1);
}
return 0;
}
int module_fitness(chromo **c, ext **e, slist **s)
{
int sum;
int i;
int day1, day2;
chromo *time=c[0];
sum=0;
for(i=0;i<numsameday;i++) {
day1=time->gen[sameday[i].id1]/periods;
day2=time->gen[sameday[i].id2]/periods;
if(day1==day2) sum++;
}
return(sum);
}
int module_init(moduleoption *opt)
{
int c;
fitnessfunc *fitness;
c=res_get_matrix(restype_find("time"), &days, &periods);
if(c) {
error(_("Resource type 'time' is not a matrix"));
return -1;
}
sameday=malloc(sizeof(*sameday)* dat_tuplenum * dat_tuplenum);
if(sameday==NULL) {
error(_("Can't allocate memory"));
return -1;
}
numsameday=0;
handler_tup_new("not-same-day-as", getevent);
fitness=fitness_new("events_sameday",
option_int(opt, "weight"),
option_int(opt, "mandatory"),
module_fitness);
if(fitness_request_chromo(fitness, "time")) return -1;
return 0;
}
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