Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DoubleLPVariable |
|
| 1.0;1 |
1 | /* | |
2 | This file is part of Combean. | |
3 | ||
4 | Combean is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 2 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | Combean is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with Combean; if not, write to the Free Software | |
16 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | /* | |
19 | * Created on 22.04.2005 | |
20 | * | |
21 | */ | |
22 | package net.sourceforge.combean.mathprog.lp; | |
23 | ||
24 | import net.sourceforge.combean.interfaces.mathprog.lp.LPVariable; | |
25 | ||
26 | /** | |
27 | * A linear variable with representation based on plain Java doubles. | |
28 | * | |
29 | * @author schickin | |
30 | * | |
31 | */ | |
32 | public class DoubleLPVariable implements LPVariable { | |
33 | ||
34 | 450 | double coeff = 0.0; |
35 | 450 | double lowerBound = Double.NEGATIVE_INFINITY; |
36 | 450 | double upperBound = Double.POSITIVE_INFINITY; |
37 | ||
38 | 450 | String name = new String(""); |
39 | ||
40 | /** | |
41 | * Constructor for an unbounded variable. | |
42 | * | |
43 | * @param coeff the coefficient in the objective function. | |
44 | */ | |
45 | public DoubleLPVariable(double coeff) { | |
46 | 0 | super(); |
47 | ||
48 | 0 | this.coeff = coeff; |
49 | 0 | } |
50 | ||
51 | /** | |
52 | * Constructor for a bounded variable | |
53 | * | |
54 | * @param coeff the coefficient in the objective function. | |
55 | * @param lowerBound the lower bound of the variable | |
56 | * @param upperBound the upper bound of the variable | |
57 | */ | |
58 | public DoubleLPVariable(double coeff, | |
59 | double lowerBound, double upperBound) { | |
60 | 54 | super(); |
61 | ||
62 | 54 | this.coeff = coeff; |
63 | 54 | this.lowerBound = lowerBound; |
64 | 54 | this.upperBound = upperBound; |
65 | 54 | } |
66 | ||
67 | /** | |
68 | * Constructor for an unbounded variable. | |
69 | * | |
70 | * @param name the name of the variable. | |
71 | * @param coeff the coefficient in the objective function. | |
72 | */ | |
73 | public DoubleLPVariable(String name, double coeff) { | |
74 | 0 | super(); |
75 | ||
76 | 0 | this.name = name; |
77 | 0 | this.coeff = coeff; |
78 | 0 | } |
79 | ||
80 | /** | |
81 | * Constructor for a bounded variable | |
82 | * | |
83 | * @param name the name of the variable. | |
84 | * @param coeff the coefficient in the objective function. | |
85 | * @param lowerBound the lower bound of the variable | |
86 | * @param upperBound the upper bound of the variable | |
87 | */ | |
88 | public DoubleLPVariable(String name, double coeff, | |
89 | double lowerBound, double upperBound) { | |
90 | 396 | super(); |
91 | ||
92 | 396 | this.name = name; |
93 | 396 | this.coeff = coeff; |
94 | 396 | this.lowerBound = lowerBound; |
95 | 396 | this.upperBound = upperBound; |
96 | 396 | } |
97 | ||
98 | /* (non-Javadoc) | |
99 | * @see net.sourceforge.combean.interfaces.mathprog.lp.LPVariable#getCoeff() | |
100 | */ | |
101 | public double getCoeff() { | |
102 | 450 | return this.coeff; |
103 | } | |
104 | ||
105 | /* (non-Javadoc) | |
106 | * @see net.sourceforge.combean.interfaces.mathprog.lp.LPVariable#getLowerBound() | |
107 | */ | |
108 | public double getLowerBound() { | |
109 | 516 | return this.lowerBound; |
110 | } | |
111 | ||
112 | /* (non-Javadoc) | |
113 | * @see net.sourceforge.combean.interfaces.mathprog.lp.LPVariable#getUpperBound() | |
114 | */ | |
115 | public double getUpperBound() { | |
116 | 516 | return this.upperBound; |
117 | } | |
118 | ||
119 | /* (non-Javadoc) | |
120 | * @see net.sourceforge.combean.interfaces.base.NamedObject#getName() | |
121 | */ | |
122 | public String getName() { | |
123 | 384 | return this.name; |
124 | } | |
125 | ||
126 | /** | |
127 | * @param name The name to set. | |
128 | */ | |
129 | public void setName(String name) { | |
130 | 0 | this.name = name; |
131 | 0 | } |
132 | ||
133 | public String toString() { | |
134 | 0 | StringBuffer result = new StringBuffer(); |
135 | ||
136 | 0 | result.append(getClass().getName() + " {"); |
137 | 0 | result.append(" name '" + getName() + "'"); |
138 | 0 | result.append(" coeff " + getCoeff()); |
139 | 0 | result.append(" bounds [" + getLowerBound() + "," + |
140 | getUpperBound() + "]"); | |
141 | 0 | result.append("}"); |
142 | ||
143 | 0 | return result.toString(); |
144 | } | |
145 | } |