| author | athos |
| Mon, 25 Apr 2005 15:43:11 +0000 | |
| changeset 1389 | 58b298e50c20 |
| parent 1313 | 96b74270c3a1 |
| child 1390 | 9c8e464ed940 |
| permissions | -rw-r--r-- |
1 #ifdef HAVE_CONFIG_H
2 #include <config.h>
3 #endif
5 #ifdef HAVE_GLPK
6 #include <lemon/lp_glpk.h>
7 #elif HAVE_CPLEX
8 #include <lemon/lp_cplex.h>
9 #endif
11 using namespace lemon;
13 #ifdef HAVE_GLPK
14 typedef LpGlpk LpDefault;
15 #elif HAVE_CPLEX
16 typedef LpCplex LpDefault;
17 #endif
19 void lpTest(LpSolverBase & lp)
20 {
21 typedef LpSolverBase LP;
23 std::vector<LP::Col> x(10);
24 // for(int i=0;i<10;i++) x.push_back(lp.addCol());
25 lp.addColSet(x);
27 std::vector<LP::Col> y(10);
28 lp.addColSet(y);
30 std::map<int,LP::Col> z;
32 z.insert(std::make_pair(12,INVALID));
33 z.insert(std::make_pair(2,INVALID));
34 z.insert(std::make_pair(7,INVALID));
35 z.insert(std::make_pair(5,INVALID));
37 lp.addColSet(z);
40 LP::Expr e,f,g;
41 LP::Col p1,p2,p3,p4,p5;
42 LP::Constr c;
44 e[p1]=2;
45 e.constComp()=12;
46 e[p1]+=2;
47 e.constComp()+=12;
48 e[p1]-=2;
49 e.constComp()-=12;
51 e=2;
52 e=2.2;
53 e=p1;
54 e=f;
56 e+=2;
57 e+=2.2;
58 e+=p1;
59 e+=f;
61 e-=2;
62 e-=2.2;
63 e-=p1;
64 e-=f;
66 e*=2;
67 e*=2.2;
68 e/=2;
69 e/=2.2;
71 e=((p1+p2)+(p1-p2)+(p1+12)+(12+p1)+(p1-12)+(12-p1)+
72 (f+12)+(12+f)+(p1+f)+(f+p1)+(f+g)+
73 (f-12)+(12-f)+(p1-f)+(f-p1)+(f-g)+
74 2.2*f+f*2.2+f/2.2+
75 2*f+f*2+f/2+
76 2.2*p1+p1*2.2+p1/2.2+
77 2*p1+p1*2+p1/2
78 );
81 c = (e <= f );
82 c = (e <= 2.2);
83 c = (e <= 2 );
84 c = (e <= p1 );
85 c = (2.2<= f );
86 c = (2 <= f );
87 c = (p1 <= f );
88 c = (p1 <= p2 );
89 c = (p1 <= 2.2);
90 c = (p1 <= 2 );
91 c = (2.2<= p2 );
92 c = (2 <= p2 );
94 c = (e >= f );
95 c = (e >= 2.2);
96 c = (e >= 2 );
97 c = (e >= p1 );
98 c = (2.2>= f );
99 c = (2 >= f );
100 c = (p1 >= f );
101 c = (p1 >= p2 );
102 c = (p1 >= 2.2);
103 c = (p1 >= 2 );
104 c = (2.2>= p2 );
105 c = (2 >= p2 );
107 c = (e == f );
108 c = (e == 2.2);
109 c = (e == 2 );
110 c = (e == p1 );
111 c = (2.2== f );
112 c = (2 == f );
113 c = (p1 == f );
114 //c = (p1 == p2 );
115 c = (p1 == 2.2);
116 c = (p1 == 2 );
117 c = (2.2== p2 );
118 c = (2 == p2 );
120 c = (2 <= e <= 3);
121 c = (2 <= p1<= 3);
123 c = (2 >= e >= 3);
124 c = (2 >= p1>= 3);
126 e[x[3]]=2;
127 e[x[3]]=4;
128 e[x[3]]=1;
129 e.constComp()=12;
131 lp.addRow(LP::INF,e,23);
132 lp.addRow(LP::INF,3.0*(x[1]+x[2]/2)-x[3],23);
133 lp.addRow(LP::INF,3.0*(x[1]+x[2]*2-5*x[3]+12-x[4]/3)+2*x[4]-4,23);
135 lp.addRow(x[1]+x[3]<=x[5]-3);
136 lp.addRow(-7<=x[1]+x[3]-12<=3);
137 lp.addRow(x[1]<=x[5]);
141 }
143 int main()
144 {
145 LpDefault lp;
147 lpTest(lp);
149 return 0;
150 }