1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* Constraint Java class declaration and implementation.
Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
Copyright (C) 2010-2016 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://bugseng.com/products/ppl/ . */
package parma_polyhedra_library;
//! A linear equality or inequality.
/*! \ingroup PPL_Java_interface
An object of the class Constraint is either:
- a linear equality;
- a non-strict linear inequality;
- a strict linear inequality.
*/
public class Constraint {
//! The value of the left hand side of \p this.
private Linear_Expression lhs;
//! The value of the right hand side of \p this.
private Linear_Expression rhs;
//! The relation symbol of \p this.
private Relation_Symbol kind;
/*! \brief
Builds a constraint from two linear expressions with a specified
relation symbol.
*/
public Constraint(Linear_Expression le1, Relation_Symbol rel_sym,
Linear_Expression le2) {
if (rel_sym == Relation_Symbol.NOT_EQUAL)
throw new Invalid_Argument_Exception("Invalid relation symbol");
lhs = le1.clone();
rhs = le2.clone();
kind = rel_sym;
}
//! Returns the left hand side of \p this.
public Linear_Expression left_hand_side() {
return lhs;
}
//! Returns the right hand side of \p this.
public Linear_Expression right_hand_side() {
return rhs;
}
//! Returns the relation symbol of \p this.
public Relation_Symbol kind() {
return kind;
}
//! Returns an ascii formatted internal representation of \p this.
public native String ascii_dump();
//! Returns a string representation of \p this.
public native String toString();
private static native void initIDs();
static {
initIDs();
}
}
|
