/// <summary>
/// Constructor
/// </summary>
/// <param name="method">The integration method</param>
public StatePool(IntegrationMethod method)
{
Method = method ?? throw new ArgumentNullException(nameof(method));
int count = method.MaxOrder + 2;
History = new ArrayHistory <Vector <double> >(count, (Vector <double>)null);
}
/// <summary>
/// Initializes a new instance of the <see cref="IntegrationMethod"/> class.
/// </summary>
/// <param name="maxOrder">The maximum integration order.</param>
/// <exception cref="SpiceSharp.CircuitException">Invalid order {0}".FormatString(maxOrder)</exception>
protected IntegrationMethod(int maxOrder)
{
if (maxOrder < 1)
{
throw new CircuitException("Invalid order {0}".FormatString(maxOrder));
}
MaxOrder = maxOrder;
// Allocate history of timesteps and solutions
IntegrationStates = new ArrayHistory <IntegrationState>(maxOrder + 2);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="maxOrder">Maximum integration order</param>
protected IntegrationMethod(int maxOrder)
{
if (maxOrder < 0)
{
throw new CircuitException("Invalid order {0}".FormatString(maxOrder));
}
MaxOrder = maxOrder;
// Allocate history of timesteps
DeltaOld = new ArrayHistory <double>(maxOrder + 2);
// Allocate history of solutions
Solutions = new ArrayHistory <Vector <double> >(maxOrder + 1);
// Create configuration
Parameters.Add(new IntegrationParameters());
}
