std.java

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import java.util.*;
import java.io.IOException;
import java.io.FileWriter;
import java.lang.Math;
 
public class std {
   public std() {
   }
 
   private static void log(final String name, final String message) throws IOException {
      FileWriter logfile = new FileWriter(name + ".rc");
      logfile.write(name + ": " + message + System.lineSeparator());
      logfile.close();
   }
 
   public static int checkSolve(String name, int model_status, int solution_status,
         double objective, double expected_objective, double tol) {
      try {
         if (model_status != 2 || solution_status != 1) {
            log(name, "Incorrect Model or Solver Status");
            return -1;
         }
         else if (Math.abs(objective - expected_objective) > tol) {
            log(name, "Incorrect objective returned");
            return -1;
         }
 
         log(name, "Successful Solve");
      } catch (IOException e) {
         System.err.println("An error occurred: " + e.getMessage());
      }
 
      return 0;
   }
}