122 lines
6.5 KiB
C
122 lines
6.5 KiB
C
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/**-------------------------------------------------------------------**
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** CLooG **
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**-------------------------------------------------------------------**
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** constraints.h **
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**-------------------------------------------------------------------**
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** First version: april 17th 2005 **
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**-------------------------------------------------------------------**/
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/******************************************************************************
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* CLooG : the Chunky Loop Generator (experimental) *
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******************************************************************************
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* *
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* Copyright (C) 2005 Cedric Bastoul *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public *
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* License as published by the Free Software Foundation; either *
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* version 2.1 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, *
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* Boston, MA 02110-1301 USA *
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* *
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* CLooG, the Chunky Loop Generator *
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* Written by Cedric Bastoul, Cedric.Bastoul@inria.fr *
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* *
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******************************************************************************/
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#ifndef CLOOG_CONSTRAINTS_H
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#define CLOOG_CONSTRAINTS_H
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struct cloogconstraint;
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typedef struct cloogconstraint CloogConstraint;
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struct cloogconstraintset;
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typedef struct cloogconstraintset CloogConstraintSet;
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struct cloogequalities;
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typedef struct cloogequalities CloogEqualities;
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#if defined(__cplusplus)
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extern "C"
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{
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#endif
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/******************************************************************************
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* Equalities spreading functions *
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******************************************************************************/
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CloogEqualities *cloog_equal_alloc(int n, int nb_levels,
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int nb_parameters);
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void cloog_equal_free(CloogEqualities *equal);
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int cloog_equal_count(CloogEqualities *equal);
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int cloog_equal_type(CloogEqualities *equal, int level);
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void cloog_equal_del(CloogEqualities *equal, int level);
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int cloog_equal_total_dimension(CloogEqualities *equal);
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/******************************************************************************
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* Processing functions *
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******************************************************************************/
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void cloog_constraint_set_normalize(CloogConstraintSet *, int);
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void cloog_constraint_set_free(CloogConstraintSet *);
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int cloog_constraint_set_contains_level(CloogConstraintSet *constraints,
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int level, int nb_parameters);
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int cloog_constraint_set_total_dimension(CloogConstraintSet *constraints);
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int cloog_constraint_set_n_iterators(CloogConstraintSet *constraints,
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int nb_parameters);
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CloogConstraintSet *cloog_constraint_set_copy(CloogConstraintSet *);
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CloogConstraintSet *cloog_constraint_set_simplify(CloogConstraintSet *, CloogEqualities *, int, int);
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int cloog_constraint_needs_reduction(CloogConstraint *upper, int level);
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CloogConstraintSet *cloog_constraint_set_for_reduction(CloogConstraint *upper,
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CloogConstraint *lower);
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CloogConstraintSet *cloog_constraint_set_reduce(CloogConstraintSet *constraints,
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int level, CloogEqualities *equal, int nb_par, cloog_int_t *bound);
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int cloog_constraint_set_foreach_constraint(CloogConstraintSet *constraints,
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int (*fn)(CloogConstraint *constraint, void *user), void *user);
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int cloog_constraint_is_valid(CloogConstraint *constraint);
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CloogConstraint *cloog_constraint_copy(CloogConstraint *constraint);
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void cloog_constraint_release(CloogConstraint *constraint);
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CloogConstraint *cloog_constraint_invalid(void);
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int cloog_constraint_total_dimension(CloogConstraint *constraint);
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CloogConstraint *cloog_equal_constraint(CloogEqualities *equal, int j);
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void cloog_equal_add(CloogEqualities *equal,
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CloogConstraintSet *constraints,
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int level, CloogConstraint *line, int nb_par);
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CloogConstraint *cloog_constraint_set_defining_equality(
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CloogConstraintSet *constraints, int level);
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CloogConstraint *cloog_constraint_set_defining_inequalities(
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CloogConstraintSet *constraints,
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int level, CloogConstraint **lower, int nb_parameters);
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int cloog_constraint_involves(CloogConstraint *constraint, int v);
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int cloog_constraint_is_lower_bound(CloogConstraint *constraint, int v);
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int cloog_constraint_is_upper_bound(CloogConstraint *constraint, int v);
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int cloog_constraint_is_equality(CloogConstraint *constraint);
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void cloog_constraint_constant_get(CloogConstraint *constraint,
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cloog_int_t *val);
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void cloog_constraint_coefficient_get(CloogConstraint *constraint,
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int var, cloog_int_t *val);
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void cloog_constraint_coefficient_set(CloogConstraint *constraint,
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int var, cloog_int_t val);
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void cloog_constraint_copy_coefficients(CloogConstraint *constraint,
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cloog_int_t *dst);
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CloogConstraintSet *cloog_constraint_set_drop_constraint(
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CloogConstraintSet *constraints, CloogConstraint *constraint);
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struct clast_expr *cloog_constraint_variable_expr(CloogConstraint *constraint,
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int level, CloogNames *names);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* define _H */
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