/*
   Copyright Universite de Versailles Saint-Quentin en Yvelines 2009
   AUTHORS: Sebastien Briais, Sid Touati

   This file is part of RS.
   
   RS is free software: you can redistribute it and/or modify it
   under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation, either version 3 of the
   License, or (at your option) any later version.
   
   RS 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
   Lesser General Public License for more details.
   
   You should have received a copy of the GNU Lesser General Public
   License along with RS.  If not, see
   <http://www.gnu.org/licenses/>.
*/
#include "rs.h"

#include "greedy.h"
#include "exact.h"

int RS_estimate_saturation(GDD_DAG *ddag, const char *type, int fast) {
  return RS_ddag_estimate_saturation(ddag, type, fast);
}

int RS_estimate_saturation_TC(SCEDA_Graph *ddg, const char *type, int fast) {
  GDD_DAG *ddag = GDD_dag_create(ddg);
  if(ddag != NULL) {
    int rs = RS_estimate_saturation(ddag, type, fast);
    GDD_dag_delete(ddag);
    return rs;
  }
  return -1;
}

int RS_estimate_saturating_values(GDD_DAG *ddag, const char *type, SCEDA_List **sat_values) {
  *sat_values = RS_ddag_estimate_saturating_values(ddag, type);
  return 0;
}

int RS_estimate_saturating_values_TC(SCEDA_Graph *ddg, const char *type, SCEDA_List **sat_values) {
  GDD_DAG *ddag = GDD_dag_create(ddg);
  if(ddag != NULL) {
    int ret = RS_estimate_saturating_values(ddag, type, sat_values);
    GDD_dag_delete(ddag);
    return ret;
  } 
  return -1;
}

int RS_compute_optimal_saturation(SCEDA_Graph *ddg, const char *type, double timeout, int *timeout_flag) {
  int rs;
  SCEDA_HashMap *k = NULL;

  GDD_DAG *ddag = GDD_dag_create(ddg);
  if(ddag == NULL) {
    return -1;
  }

  *timeout_flag = !RS_ddag_compute_saturation(ddag, type, timeout, &rs, &k);
  GDD_dag_delete(ddag);

  if(*timeout_flag) {
    if(k == NULL) {
      rs = -1;
    }
  }

  if(k != NULL) {
    SCEDA_hashmap_delete(k);
  }

  return rs;
}