convex_hull.c

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/*
 
  $Id: convex_hull.c 23065 2016-03-02 09:05:50Z coelho $
 
  Copyright 1989-2016 MINES ParisTech
 
  This file is part of PIPS.
 
  PIPS 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
  any later version.
 
  PIPS 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 PIPS.  If not, see <http://www.gnu.org/licenses/>.
 
*/
#ifdef HAVE_CONFIG_H
    #include "pips_config.h"
#endif
/*
 * Functions which should/could be in linear...
 */
 
#include <stdio.h>
 
#include "linear.h"
#include "genC.h"
#include "misc.h"
#include "ri.h"
#include "ri-util.h"
 
/* debug messages before calling the version in polyedre.
 */
Psysteme cute_convex_union(Psysteme s1, Psysteme s2)
{
  Psysteme s;
 
  ifdebug(9) {
    pips_debug(9, "IN\nS1 and S2:\n");
    sc_fprint(stderr, s1, (get_variable_name_t) entity_local_name);
    sc_fprint(stderr, s2, (get_variable_name_t) entity_local_name);
  }
 
  s = sc_cute_convex_hull(s1, s2);
 
  ifdebug(9) {
    pips_debug(9, "S =\n");
    sc_fprint(stderr, s, (get_variable_name_t) entity_local_name);
    pips_debug(9, "OUT\n");
  }
 
  return s;
}