src/test/lp_test.cc
author deba
Wed, 18 May 2005 13:02:47 +0000
changeset 1427 14c75970840e
parent 1387 37d1b20cd9ef
permissions -rw-r--r--
Two minor changes.

DefaultReader<std::string>
comment lines
     1 #include<lemon/lp_skeleton.h>
     2 
     3 #ifdef HAVE_CONFIG_H
     4 #include <config.h>
     5 #endif
     6 
     7 #ifdef HAVE_GLPK
     8 #include <lemon/lp_glpk.h>
     9 #elif HAVE_CPLEX
    10 #include <lemon/lp_cplex.h>
    11 #endif
    12 
    13 using namespace lemon;
    14 
    15 #ifdef HAVE_GLPK
    16 typedef LpGlpk LpDefault;
    17 #elif HAVE_CPLEX
    18 typedef LpCplex LpDefault;
    19 #endif
    20 
    21 void lpTest(LpSolverBase & lp)
    22 {
    23   typedef LpSolverBase LP;
    24 
    25   std::vector<LP::Col> x(10);
    26   //  for(int i=0;i<10;i++) x.push_back(lp.addCol());
    27   lp.addColSet(x);
    28 
    29   std::vector<LP::Col> y(10);
    30   lp.addColSet(y);
    31 
    32   std::map<int,LP::Col> z;
    33   
    34   z.insert(std::make_pair(12,INVALID));
    35   z.insert(std::make_pair(2,INVALID));
    36   z.insert(std::make_pair(7,INVALID));
    37   z.insert(std::make_pair(5,INVALID));
    38   
    39   lp.addColSet(z);
    40 
    41 
    42   LP::Expr e,f,g;
    43   LP::Col p1,p2,p3,p4,p5;
    44   LP::Constr c;
    45   
    46   e[p1]=2;
    47   e.constComp()=12;
    48   e[p1]+=2;
    49   e.constComp()+=12;
    50   e[p1]-=2;
    51   e.constComp()-=12;
    52   
    53   e=2;
    54   e=2.2;
    55   e=p1;
    56   e=f;
    57 
    58   e+=2;
    59   e+=2.2;
    60   e+=p1;
    61   e+=f;
    62 
    63   e-=2;
    64   e-=2.2;
    65   e-=p1;
    66   e-=f;
    67 
    68   e*=2;
    69   e*=2.2;
    70   e/=2;
    71   e/=2.2;
    72 
    73   e=((p1+p2)+(p1-p2)+(p1+12)+(12+p1)+(p1-12)+(12-p1)+
    74       (f+12)+(12+f)+(p1+f)+(f+p1)+(f+g)+
    75       (f-12)+(12-f)+(p1-f)+(f-p1)+(f-g)+
    76       2.2*f+f*2.2+f/2.2+
    77       2*f+f*2+f/2+
    78       2.2*p1+p1*2.2+p1/2.2+
    79       2*p1+p1*2+p1/2
    80      );
    81   
    82 
    83   c = (e  <= f  );
    84   c = (e  <= 2.2);
    85   c = (e  <= 2  );
    86   c = (e  <= p1 );
    87   c = (2.2<= f  );
    88   c = (2  <= f  );
    89   c = (p1 <= f  );
    90   c = (p1 <= p2 );
    91   c = (p1 <= 2.2);
    92   c = (p1 <= 2  );
    93   c = (2.2<= p2 );
    94   c = (2  <= p2 );
    95 
    96   c = (e  >= f  );
    97   c = (e  >= 2.2);
    98   c = (e  >= 2  );
    99   c = (e  >= p1 );
   100   c = (2.2>= f  );
   101   c = (2  >= f  );
   102   c = (p1 >= f  );
   103   c = (p1 >= p2 );
   104   c = (p1 >= 2.2);
   105   c = (p1 >= 2  );
   106   c = (2.2>= p2 );
   107   c = (2  >= p2 );
   108 
   109   c = (e  == f  );
   110   c = (e  == 2.2);
   111   c = (e  == 2  );
   112   c = (e  == p1 );
   113   c = (2.2== f  );
   114   c = (2  == f  );
   115   c = (p1 == f  );
   116   //c = (p1 == p2 );
   117   c = (p1 == 2.2);
   118   c = (p1 == 2  );
   119   c = (2.2== p2 );
   120   c = (2  == p2 );
   121 
   122   c = (2 <= e <= 3);
   123   c = (2 <= p1<= 3);
   124 
   125   c = (2 >= e >= 3);
   126   c = (2 >= p1>= 3);
   127 
   128   e[x[3]]=2;
   129   e[x[3]]=4;
   130   e[x[3]]=1;
   131   e.constComp()=12;
   132   
   133   lp.addRow(LP::INF,e,23);
   134   lp.addRow(LP::INF,3.0*(x[1]+x[2]/2)-x[3],23);
   135   lp.addRow(LP::INF,3.0*(x[1]+x[2]*2-5*x[3]+12-x[4]/3)+2*x[4]-4,23);
   136 
   137   lp.addRow(x[1]+x[3]<=x[5]-3);
   138   lp.addRow(-7<=x[1]+x[3]-12<=3);
   139   lp.addRow(x[1]<=x[5]);
   140 
   141 
   142   
   143 }
   144 
   145 int main() 
   146 {
   147   LpSkeleton lp_skel;
   148   lpTest(lp_skel);
   149 
   150   LpDefault lp;
   151 
   152   lpTest(lp);
   153 
   154   return 0;
   155 }