
   /**-------------------------------------------------------------------**
    **                               CLooG                               **
    **-------------------------------------------------------------------**
    **                             domain.h                              **
    **-------------------------------------------------------------------**
    **                  First version: october 28th 2001                 **
    **-------------------------------------------------------------------**/


/******************************************************************************
 *               CLooG : the Chunky Loop Generator (experimental)             *
 ******************************************************************************
 *                                                                            *
 * Copyright (C) 2001-2005 Cedric Bastoul                                     *
 *                                                                            *
 * This library 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 2.1 of the License, or (at your option) any later version.         *
 *                                                                            *
 * This library 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 this library; if not, write to the Free Software        *
 * Foundation, Inc., 51 Franklin Street, Fifth Floor,                         *
 * Boston, MA  02110-1301  USA                                                *
 *                                                                            *
 * CLooG, the Chunky Loop Generator                                           *
 * Written by Cedric Bastoul, Cedric.Bastoul@inria.fr                         *
 *                                                                            *
 ******************************************************************************/


#ifndef CLOOG_DOMAIN_H
#define CLOOG_DOMAIN_H
#if defined(__cplusplus)
extern "C" 
  {
#endif 


struct cloogdomain;
typedef struct cloogdomain CloogDomain ;
struct cloogscattering;
typedef struct cloogscattering CloogScattering;
struct osl_relation;


/**
 * CloogDomainList structure:
 * this structure reprensents a node of a linked list of CloogDomain structures.
 */
struct cloogdomainlist {
  CloogDomain *domain;         /**< An element of the list. */
  struct cloogdomainlist *next;/**< Pointer to the next element of the list.*/
} ;
typedef struct cloogdomainlist CloogDomainList;


/**
 * CloogScatteringList structure:
 * this structure reprensents a node of a linked list of CloogScattering structures.
 */
struct cloogscatteringlist {
  CloogScattering *scatt;          /**< An element of the list. */
  struct cloogscatteringlist *next;/**< Pointer to the next element of the list.*/
} ;
typedef struct cloogscatteringlist CloogScatteringList;


/******************************************************************************
 *                              PolyLib interface                             *
 ******************************************************************************/
void          cloog_domain_print_constraints(FILE *, CloogDomain *,
						int print_number);
void          cloog_scattering_print_constraints(FILE *, CloogScattering *);
void          cloog_domain_free(CloogDomain *) ;
void          cloog_scattering_free(CloogScattering *);
CloogDomain * cloog_domain_copy(CloogDomain *) ;
CloogDomain * cloog_domain_convex(CloogDomain * Pol) ;
CloogDomain * cloog_domain_simple_convex(CloogDomain * domain);
CloogDomain * cloog_domain_simplify(CloogDomain *, CloogDomain *) ;
CloogDomain * cloog_domain_union(CloogDomain *, CloogDomain *) ;
CloogDomain * cloog_domain_intersection(CloogDomain *, CloogDomain *) ;
CloogDomain * cloog_domain_difference(CloogDomain *, CloogDomain *) ;
void          cloog_domain_sort(CloogDomain**,unsigned,unsigned,int *);
int cloog_domain_follows(CloogDomain *dom1, CloogDomain *dom2, unsigned level);
CloogDomain * cloog_domain_empty(CloogDomain *model);
int cloog_domain_is_bounded(CloogDomain *dim, unsigned level);
CloogDomain *cloog_domain_bound_splitter(CloogDomain *dom, int level);


/******************************************************************************
 *                          Structure display function                        *
 ******************************************************************************/
void cloog_domain_print_structure(FILE *file, CloogDomain *domain, int level,
				  const char *name);


/******************************************************************************
 *                         Memory deallocation function                       *
 ******************************************************************************/
void cloog_domain_list_free(CloogDomainList *);
void cloog_scattering_list_free(CloogScatteringList *);


/*+****************************************************************************
 *                               Reading function                             *
 ******************************************************************************/
CloogDomain * cloog_domain_read_context(CloogState *state, FILE * foo);
CloogDomain * cloog_domain_union_read(CloogState *state, FILE *foo, int nb_par);
CloogScattering *cloog_domain_read_scattering(CloogDomain *domain, FILE *foo);

CloogDomain * cloog_domain_from_cloog_matrix(CloogState *state,
				CloogMatrix *matrix, int nb_par);
CloogScattering * cloog_scattering_from_cloog_matrix(CloogState *state,
				CloogMatrix *matrix, int nb_scat, int nb_par);


/******************************************************************************
 *                            Processing functions                            *
 ******************************************************************************/
CloogDomain *cloog_domain_from_osl_relation(CloogState *,
                                            struct osl_relation *);
CloogScattering *cloog_scattering_from_osl_relation(CloogState *,
                                                    struct osl_relation *);
CloogConstraintSet *cloog_domain_constraints(CloogDomain *);
int           cloog_domain_isempty(CloogDomain *) ;
CloogDomain * cloog_domain_universe(CloogState *state, unsigned dim);
CloogDomain * cloog_domain_project(CloogDomain *, int);
CloogDomain * cloog_domain_extend(CloogDomain *, int);
int           cloog_domain_never_integral(CloogDomain *) ;
void          cloog_domain_stride(CloogDomain *, int, cloog_int_t *, cloog_int_t *);
int           cloog_domain_can_stride(CloogDomain *domain, int level);
int           cloog_domain_is_otl(CloogDomain *domain, int level);
CloogDomain * cloog_domain_stride_lower_bound(CloogDomain *domain, int level,
					CloogStride *stride);
CloogDomain * cloog_domain_add_stride_constraint(CloogDomain *domain,
					CloogStride *stride);
int           cloog_domain_can_unroll(CloogDomain *domain, int level,
				cloog_int_t *n, CloogConstraint **lb);
CloogDomain * cloog_domain_fixed_offset(CloogDomain *domain, int level,
				CloogConstraint *lb, cloog_int_t offset);
int           cloog_domain_lazy_disjoint(CloogDomain *, CloogDomain *) ;
int           cloog_domain_lazy_equal(CloogDomain *, CloogDomain *) ;
int           cloog_scattering_lazy_block(CloogScattering *, CloogScattering *,
                                      CloogScatteringList *, int);
int           cloog_scattering_lazy_isscalar(CloogScattering *, int,
								cloog_int_t *);
int           cloog_domain_lazy_isconstant(CloogDomain *domain, int dimension,
					   cloog_int_t *value);
int           cloog_scattering_list_lazy_same(CloogScatteringList *);
CloogDomain * cloog_domain_cut_first(CloogDomain *domain, CloogDomain **rest);
CloogDomain * cloog_domain_simplify_union(CloogDomain *domain);
CloogScattering * cloog_scattering_erase_dimension(CloogScattering *, int);

int           cloog_domain_dimension(CloogDomain *) ;
int           cloog_domain_parameter_dimension(CloogDomain *domain);
int           cloog_scattering_dimension(CloogScattering *, CloogDomain *);
int           cloog_domain_isconvex(CloogDomain *) ;
CloogDomain * cloog_domain_cube(CloogState *state,
				int dim, cloog_int_t min, cloog_int_t max);
CloogDomain * cloog_domain_from_context(CloogDomain *context);
CloogDomain * cloog_domain_scatter(CloogDomain *domain, CloogScattering *scatt);
int           cloog_scattering_fully_specified(CloogScattering *scattering,
						CloogDomain *domain);

CloogStride *cloog_domain_list_stride(CloogDomainList *list, int level);

#if defined(__cplusplus)
  }
#endif 
#endif /* define _H */