Changeset 1339:26a88d12d1a6 in lemon-0.x for src/work/athos/lp

Timestamp:

04/11/05 17:46:14 (20 years ago)

Author:

athos

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1778

Message:

A little has been done. Some important questions arised.

Location:

src/work/athos/lp

Files:

• Makefile (modified) (2 diffs)
• lp_cplex.cc (modified) (1 diff)
• lp_cplex.h (modified) (1 diff)

src/work/athos/lp/Makefile

@@ -1 @@
-CXXFLAGS = -Wall -ggdb --no-inline -I../../.. -I..
+CXXFLAGS = -Wall -ggdb --no-inline -I../../.. -I.. -I/usr/local/cplex/cplex75/include
 
 all: lp_sample_cplex
 
 clean:
-        rm lp_test *.o
+        rm lp_test lp_sample_cplex lp_sample *.o
 
 lp_base.o: ../../../lemon/lp_base.cc ../../../lemon/lp_base.h 
@@ -24 +24 @@
         $(CXX) -o $@ $^ -lglpk
 
-lp_sample_cplex: lp_sample_cplex.o lp_base.o lp_glpk.o 
-        $(CXX) $(CXXFLAGS) -I/usr/local/cplex/cplex75/include -o $@ $^ -L/usr/local/cplex/cplex75/lib/i86_linux2_glibc2.2_gcc3.0/static_pic_mt -lcplex -lm -lpthread
+lp_sample_cplex: lp_sample_cplex.o lp_base.o lp_cplex.o 
+        $(CXX) $(CXXFLAGS)  -o $@ $^ -L/usr/local/cplex/cplex75/lib/i86_linux2_glibc2.2_gcc3.0/static_pic_mt -lcplex -lm -lpthread
+
+#       $(CXX) $(CXXFLAGS) $(LDFLAGS) -o $@ $^ 

src/work/athos/lp/lp_cplex.cc

@@ -110 +110 @@
   {
     //TODO Ezt kell meg megirni
-    //    Value lo=CPX
+    //type of the problem
+    char sense[1];
+    status = CPXgetsense (env, lp, sense, i, i);
+    Value rhs[1];
+    status = CPXgetrhs (env, lp, rhs, i, i);
+
+    switch (sense[0]) {
+    case 'L'://<= constraint
+      break;
+    case 'E'://= constraint
+      break;
+    case 'G'://>= constraint
+      break;
+    case 'R'://ranged constraint
+      break;
+    default: ;
+      //FIXME error
+    }
+
+    status = CPXchgcoef (env, lp, i, -2, value_rng);
   }
   

src/work/athos/lp/lp_cplex.h

@@ -23 +23 @@
 #include <lemon/lp_base.h>
 extern "C" {
-#include "ilcplex/cplex.h"
+#include <ilcplex/cplex.h>
 }