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/* Congruence_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_Congruence_System_inlines_hh
#define PPL_Congruence_System_inlines_hh 1
#include "Congruence.defs.hh"
namespace Parma_Polyhedra_Library {
inline Congruence&
Congruence_System::operator[](const dimension_type k) {
return static_cast<Congruence&>(Matrix::operator[](k));
}
inline const Congruence&
Congruence_System::operator[](const dimension_type k) const {
return static_cast<const Congruence&>(Matrix::operator[](k));
}
inline void
Congruence_System::insert(const Congruence& cg) {
insert_verbatim(cg);
static_cast<Congruence&>(operator[](rows.size()-1)).strong_normalize();
PPL_ASSERT(OK());
}
inline
Congruence_System::Congruence_System()
: Matrix(0, 2) {
}
inline
Congruence_System::Congruence_System(const Congruence& cg)
: Matrix(0, 2) {
insert(cg);
}
inline
Congruence_System::Congruence_System(const Constraint& c)
: Matrix(0, 2) {
insert(c);
}
inline
Congruence_System::Congruence_System(const Congruence_System& cs)
: Matrix(cs) {
}
inline
Congruence_System::Congruence_System(const dimension_type d)
: Matrix(0, d + 2) {
}
inline
Congruence_System::~Congruence_System() {
}
inline Congruence_System&
Congruence_System::operator=(const Congruence_System& y) {
Matrix::operator=(y);
return *this;
}
inline dimension_type
Congruence_System::max_space_dimension() {
return Matrix::max_num_columns() - 2;
}
inline dimension_type
Congruence_System::space_dimension() const {
return Matrix::num_columns() - 2;
}
inline void
Congruence_System::clear() {
Matrix::clear();
add_zero_columns(2); // Modulus and constant term.
}
inline void
Congruence_System::resize_no_copy(const dimension_type new_num_rows,
const dimension_type new_num_columns) {
Matrix::resize_no_copy(new_num_rows, new_num_columns, Row::Flags());
}
inline const Congruence_System&
Congruence_System::zero_dim_empty() {
PPL_ASSERT(zero_dim_empty_p != 0);
return *zero_dim_empty_p;
}
inline
Congruence_System::const_iterator::const_iterator()
: i(), csp(0) {
}
inline
Congruence_System::const_iterator::const_iterator(const const_iterator& y)
: i(y.i), csp(y.csp) {
}
inline
Congruence_System::const_iterator::~const_iterator() {
}
inline Congruence_System::const_iterator&
Congruence_System::const_iterator::operator=(const const_iterator& y) {
i = y.i;
csp = y.csp;
return *this;
}
inline const Congruence&
Congruence_System::const_iterator::operator*() const {
return static_cast<const Congruence&>(*i);
}
inline const Congruence*
Congruence_System::const_iterator::operator->() const {
return static_cast<const Congruence*>(i.operator->());
}
inline Congruence_System::const_iterator&
Congruence_System::const_iterator::operator++() {
++i;
skip_forward();
return *this;
}
inline Congruence_System::const_iterator
Congruence_System::const_iterator::operator++(int) {
const const_iterator tmp = *this;
operator++();
return tmp;
}
inline bool
Congruence_System::const_iterator::operator==(const const_iterator& y) const {
return i == y.i;
}
inline bool
Congruence_System::const_iterator::operator!=(const const_iterator& y) const {
return i != y.i;
}
inline
Congruence_System::const_iterator::
const_iterator(const Matrix::const_iterator& iter,
const Congruence_System& csys)
: i(iter), csp(&csys) {
}
inline Congruence_System::const_iterator
Congruence_System::begin() const {
const_iterator i(Matrix::begin(), *this);
i.skip_forward();
return i;
}
inline Congruence_System::const_iterator
Congruence_System::end() const {
const const_iterator i(Matrix::end(), *this);
return i;
}
inline bool
Congruence_System::empty() const {
return begin() == end();
}
inline void
Congruence_System::swap(Congruence_System& y) {
Matrix::swap(y);
}
inline memory_size_type
Congruence_System::external_memory_in_bytes() const {
return Matrix::external_memory_in_bytes();
}
inline memory_size_type
Congruence_System::total_memory_in_bytes() const {
return Matrix::total_memory_in_bytes();
}
} // namespace Parma_Polyhedra_Library
namespace std {
/*! \relates Parma_Polyhedra_Library::Congruence_System */
inline void
swap(Parma_Polyhedra_Library::Congruence_System& x,
Parma_Polyhedra_Library::Congruence_System& y) {
x.swap(y);
}
} // namespace std
#endif // !defined(PPL_Congruence_System_inlines_hh)
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