コード例 #1
0
        public void GetAndCheckSolution(double optimalValue, IntPtr hProb)
        {
            int    solutionStatus;
            String solutionText;
            double objectValue;
            int    i;
            int    colCount;

            double[] xValues;
            int      result;
            int      length;
            String   colName;
            String   problemName;

            logMsg.WriteLine("---------------------------------------------------------------");

            problemName    = CoinMP.CoinGetProblemName(hProb);
            solutionStatus = CoinMP.CoinGetSolutionStatus(hProb);
            solutionText   = CoinMP.CoinGetSolutionText(hProb);
            objectValue    = CoinMP.CoinGetObjectValue(hProb);

            logTxt.WriteLine("Problem Name:    " + problemName);
            logTxt.WriteLine("Solution Result: " + solutionText);
            logTxt.WriteLine("Solution Status: " + solutionStatus);
            logTxt.WriteLine("Optimal Value:   " + objectValue + " (" + optimalValue + ")");
            logTxt.WriteLine("---------------------------------------------------------------");

            colCount = CoinMP.CoinGetColCount(hProb);

            xValues = new double[colCount];

            result = CoinMP.CoinGetSolutionValues(hProb, xValues, null, null, null);
            for (i = 0; i < colCount; i++)
            {
                if (xValues[i] != 0.0)
                {
                    colName = CoinMP.CoinGetColName(hProb, i);
                    logTxt.WriteLine(colName + " = " + xValues[i]);
                }
            }
            logTxt.WriteLine("---------------------------------------------------------------");
            logTxt.NewLine();
            if (solutionStatus != 0)
            {
                MessageBox.Show("status=" + solutionStatus, problemName);
            }
            if (optimalValue != 0.0)
            {
                if (Math.Abs(objectValue - optimalValue) >= 0.001)
                {
                    MessageBox.Show("Obj=" + objectValue + " <> " + optimalValue, problemName);
                }
            }
        }