/********************************************************
Xpress-BCL Java Example Problems
================================
file xbcontr.java
`````````````````
Contract allocation example.
(c) 2008 Fair Isaac Corporation
author: S.Heipcke, Jan. 2000, rev. Mar. 2011
********************************************************/
import java.io.*;
import com.dashoptimization.*;
public class xbcontr
{
static final int District = 6; /* Number of districts */
static final int Contract = 10; /* Number of contracts */
/**** DATA ****/
static final int[] OUTPUT = {50, 40, 10, 20, 70, 50};
/* Max. output per district */
static final int[] COST = {50, 20, 25, 30, 45, 40};
/* Cost per district */
static final int[] VOLUME = {20, 10, 30, 15, 20, 30, 10, 50, 10, 20};
/* Volume of contracts */
/***********************************************************************/
public static void main(String[] args) throws IOException
{
int d,c;
XPRB bcl;
XPRBprob p;
XPRBexpr l1,l2,lobj;
XPRBvar[][] x; /* Variables indicating whether a project
is chosen */
XPRBvar[][] y; /* Quantities allocated to contractors */
bcl = new XPRB(); /* Initialize BCL */
p = bcl.newProb("Contract"); /* Create a new problem in BCL */
/**** VARIABLES ****/
x = new XPRBvar[District][Contract];
y = new XPRBvar[District][Contract];
for(d=0;d0)
System.out.print(y[d][c].getName() + ":" + y[d][c].getSol() + ", ");
System.out.println();
}
}
}
}
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