[Lemon-commits] [lemon_svn] athos: r1754 - hugo/trunk/src/work/athos/lp

[Lemon SVN]

Author: athos
Date: Thu Apr  7 12:19:10 2005
New Revision: 1754

Added:
   hugo/trunk/src/work/athos/lp/lp_sample.cc
Modified:
   hugo/trunk/src/work/athos/lp/Makefile

Log:
A sample file.

Modified: hugo/trunk/src/work/athos/lp/Makefile
==============================================================================
--- hugo/trunk/src/work/athos/lp/Makefile	(original)
+++ hugo/trunk/src/work/athos/lp/Makefile	Thu Apr  7 12:19:10 2005
@@ -1,4 +1,5 @@
 CXXFLAGS = -Wall -ggdb --no-inline -I../../..
+CXX = g++
 
 all: lp_sample
 
@@ -6,6 +7,7 @@
 	rm lp_test *.o
 
 lp_base.o: ../../../lemon/lp_base.cc ../../../lemon/lp_base.h lin_expr.h
+	$(CXX) $(CXXFLAGS) -c  ../../../lemon/lp_base.cc -o $@
 
 lp_solver_skeleton.o: lp_solver_skeleton.cc lp_solver_skeleton.h lp_base.h \
 		lin_expr.h

Added: hugo/trunk/src/work/athos/lp/lp_sample.cc
==============================================================================
--- (empty file)
+++ hugo/trunk/src/work/athos/lp/lp_sample.cc	Thu Apr  7 12:19:10 2005
@@ -0,0 +1,69 @@
+//#include <stdio.h>
+//#include <stdlib.h>
+#include <iostream>
+#include <lemon/lp_glpk.h>
+using namespace lemon;
+
+int main()
+{     
+  LpGlpk lp;
+  typedef LpGlpk::Row Row;
+  typedef LpGlpk::Col Col;
+  //std::cout << "Hello" << std::endl;
+
+//   LPX *lp;
+//       int ia[1+1000], ja[1+1000];
+//       double ar[1+1000], Z, x1, x2, x3;
+// s1:   lp = lpx_create_prob();
+// s2:   lpx_set_prob_name(lp, "sample");
+// s3:   lpx_set_obj_dir(lp, LPX_MAX);
+  lp.max();
+// s4:   lpx_add_rows(lp, 3);
+// s5:   lpx_set_row_name(lp, 1, "p");
+// s6:   lpx_set_row_bnds(lp, 1, LPX_UP, 0.0, 100.0);
+
+//  Row p = lp.addRow();
+
+// s7:   lpx_set_row_name(lp, 2, "q");
+// s8:   lpx_set_row_bnds(lp, 2, LPX_UP, 0.0, 600.0);
+
+//  Row q = lp.addRow();
+
+// s9:   lpx_set_row_name(lp, 3, "r");
+// s10:  lpx_set_row_bnds(lp, 3, LPX_UP, 0.0, 300.0);
+
+//  Row r = lp.addRow();
+
+// s11:  lpx_add_cols(lp, 3);
+// s12:  lpx_set_col_name(lp, 1, "x1");
+// s13:  lpx_set_col_bnds(lp, 1, LPX_LO, 0.0, 0.0);
+
+//  Col x1 = lp.addCol();
+
+// s14:  lpx_set_obj_coef(lp, 1, 10.0);
+// s15:  lpx_set_col_name(lp, 2, "x2");
+// s16:  lpx_set_col_bnds(lp, 2, LPX_LO, 0.0, 0.0);
+// s17:  lpx_set_obj_coef(lp, 2, 6.0);
+// s18:  lpx_set_col_name(lp, 3, "x3");
+// s19:  lpx_set_col_bnds(lp, 3, LPX_LO, 0.0, 0.0);
+// s20:  lpx_set_obj_coef(lp, 3, 4.0);
+// s21:  ia[1] = 1, ja[1] = 1, ar[1] =  1.0; /* a[1,1] =  1 */
+// s22:  ia[2] = 1, ja[2] = 2, ar[2] =  1.0; /* a[1,2] =  1 */
+// s23:  ia[3] = 1, ja[3] = 3, ar[3] =  1.0; /* a[1,3] =  1 */
+// s24:  ia[4] = 2, ja[4] = 1, ar[4] = 10.0; /* a[2,1] = 10 */
+// s25:  ia[5] = 3, ja[5] = 1, ar[5] =  2.0; /* a[3,1] =  2 */
+// s26:  ia[6] = 2, ja[6] = 2, ar[6] =  4.0; /* a[2,2] =  4 */
+// s27:  ia[7] = 3, ja[7] = 2, ar[7] =  2.0; /* a[3,2] =  2 */
+// s28:  ia[8] = 2, ja[8] = 3, ar[8] =  5.0; /* a[2,3] =  5 */
+// s29:  ia[9] = 3, ja[9] = 3, ar[9] =  6.0; /* a[3,3] =  6 */
+// s30:  lpx_load_matrix(lp, 9, ia, ja, ar);
+// s31:  lpx_simplex(lp);
+// s32:  Z = lpx_get_obj_val(lp);
+// s33:  x1 = lpx_get_col_prim(lp, 1);
+// s34:  x2 = lpx_get_col_prim(lp, 2);
+// s35:  x3 = lpx_get_col_prim(lp, 3);
+// s36:  printf("\nZ = %g; x1 = %g; x2 = %g; x3 = %g\n", Z, x1, x2, x3);
+// s37:  lpx_delete_prob(lp);
+//       return 0;
+  return 0;
+}