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/* Constraint_System class implementation: inline functions.
Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
Copyright (C) 2010-2011 BUGSENG srl (http://bugseng.com)
This file is part of the Parma Polyhedra Library (PPL).
The PPL 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 (at your
option) any later version.
The PPL 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.
For the most up-to-date information see the Parma Polyhedra Library
site: http://www.cs.unipr.it/ppl/ . */
#ifndef PPL_Constraint_System_inlines_hh
#define PPL_Constraint_System_inlines_hh 1
#include "Constraint.defs.hh"
namespace Parma_Polyhedra_Library {
inline
Constraint_System::Constraint_System()
: Linear_System(NECESSARILY_CLOSED) {
}
inline
Constraint_System::Constraint_System(const Constraint& c)
: Linear_System(c.topology()) {
Linear_System::insert(c);
}
inline
Constraint_System::Constraint_System(const Constraint_System& cs)
: Linear_System(cs) {
}
inline
Constraint_System::Constraint_System(const Topology topol)
: Linear_System(topol) {
}
inline
Constraint_System::Constraint_System(const Topology topol,
const dimension_type n_rows,
const dimension_type n_columns)
: Linear_System(topol, n_rows, n_columns) {
}
inline
Constraint_System::~Constraint_System() {
}
inline Constraint_System&
Constraint_System::operator=(const Constraint_System& y) {
Linear_System::operator=(y);
return *this;
}
inline Constraint&
Constraint_System::operator[](const dimension_type k) {
return static_cast<Constraint&>(Linear_System::operator[](k));
}
inline const Constraint&
Constraint_System::operator[](const dimension_type k) const {
return static_cast<const Constraint&>(Linear_System::operator[](k));
}
inline dimension_type
Constraint_System::max_space_dimension() {
return Linear_System::max_space_dimension();
}
inline dimension_type
Constraint_System::space_dimension() const {
return Linear_System::space_dimension();
}
inline void
Constraint_System::clear() {
Linear_System::clear();
}
inline const Constraint_System&
Constraint_System::zero_dim_empty() {
PPL_ASSERT(zero_dim_empty_p != 0);
return *zero_dim_empty_p;
}
inline
Constraint_System::const_iterator::const_iterator()
: i(), csp(0) {
}
inline
Constraint_System::const_iterator::const_iterator(const const_iterator& y)
: i(y.i), csp(y.csp) {
}
inline
Constraint_System::const_iterator::~const_iterator() {
}
inline Constraint_System::const_iterator&
Constraint_System::const_iterator::operator=(const const_iterator& y) {
i = y.i;
csp = y.csp;
return *this;
}
inline const Constraint&
Constraint_System::const_iterator::operator*() const {
return static_cast<const Constraint&>(*i);
}
inline const Constraint*
Constraint_System::const_iterator::operator->() const {
return static_cast<const Constraint*>(i.operator->());
}
inline Constraint_System::const_iterator&
Constraint_System::const_iterator::operator++() {
++i;
skip_forward();
return *this;
}
inline Constraint_System::const_iterator
Constraint_System::const_iterator::operator++(int) {
const const_iterator tmp = *this;
operator++();
return tmp;
}
inline bool
Constraint_System::const_iterator::operator==(const const_iterator& y) const {
return i == y.i;
}
inline bool
Constraint_System::const_iterator::operator!=(const const_iterator& y) const {
return i != y.i;
}
inline
Constraint_System::const_iterator::
const_iterator(const Linear_System::const_iterator& iter,
const Constraint_System& csys)
: i(iter), csp(&csys) {
}
inline Constraint_System::const_iterator
Constraint_System::begin() const {
const_iterator i(Linear_System::begin(), *this);
i.skip_forward();
return i;
}
inline Constraint_System::const_iterator
Constraint_System::end() const {
const const_iterator i(Linear_System::end(), *this);
return i;
}
inline bool
Constraint_System::empty() const {
return begin() == end();
}
inline void
Constraint_System::add_low_level_constraints() {
if (is_necessarily_closed())
// The positivity constraint.
insert(Constraint::zero_dim_positivity());
else {
// Add the epsilon constraints.
insert(Constraint::epsilon_leq_one());
insert(Constraint::epsilon_geq_zero());
}
}
inline void
Constraint_System::swap(Constraint_System& y) {
Linear_System::swap(y);
}
inline memory_size_type
Constraint_System::external_memory_in_bytes() const {
return Linear_System::external_memory_in_bytes();
}
inline memory_size_type
Constraint_System::total_memory_in_bytes() const {
return Linear_System::total_memory_in_bytes();
}
inline void
Constraint_System::simplify() {
Linear_System::simplify();
}
} // namespace Parma_Polyhedra_Library
namespace std {
/*! \relates Parma_Polyhedra_Library::Constraint_System */
inline void
swap(Parma_Polyhedra_Library::Constraint_System& x,
Parma_Polyhedra_Library::Constraint_System& y) {
x.swap(y);
}
} // namespace std
#endif // !defined(PPL_Constraint_System_inlines_hh)
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