public SilverMealExactSolver(ISilverMeanInstance instance, SilverMealExactSolverParams p_parameters) : base(instance)
{
num_periods = instance.num_periods;
parameters = p_parameters;
env = new GRBEnv()
{
OutputFlag = Convert.ToInt32(p_parameters.verbose)
};
model = new GRBModel(env);
} // should check if num_periods of instance and solution match
static int RunAndReturnExitCode(Options options)
{
ISilverMeanInstance instance = null;
// first option set
if (options.filename != null)
{
instance = ReadInstanceFromFile(options.filename);
}
else if (options.sample_index != null)
{
if (options.sample_index < 0 || options.sample_index > 3)
{
throw new Exception("Sample index value must be a value between 0 and 3");
}
Console.WriteLine($"Using sample instance number {options.sample_index}...");
instance = SampleInstances.sample[(int)options.sample_index];
}
// second option set
if (options.heuristic == true)
{
ISolver solver = new SilverMealHeuristicSolver(instance);
solver.PrintInstance();
solver.Run();
solver.PrintSolution();
return(0);
}
else if (options.exact == true)
{
ISolver solver = new SilverMealExactSolver(instance, new SilverMealExactSolverParams()
{
verbose = options.verbose
});
solver.PrintInstance();
solver.Run();
solver.PrintSolution();
return(0);
}
else if (options.compare == true)
{
ISolver solver = new SilverMealHeuristicSolver(instance);
solver.PrintInstance();
solver.Run();
solver.PrintSolution();
solver = new SilverMealExactSolver(instance, new SilverMealExactSolverParams()
{
verbose = options.verbose
});
solver.PrintInstance();
solver.Run();
solver.PrintSolution();
return(0);
}
return(1);
}
public SilverMealHeuristicSolver(ISilverMeanInstance instance) : base(instance)
{
num_periods = instance.num_periods;
} // should check if num_periods of instance and solution match. 'verbose' is not used here
