/// <summary>Constructor</summary>
public Summation(ArithmeticProgression N, ArithmeticProgression E)
{
if (N.GetSteps() != E.GetSteps())
{
throw new ArgumentException("N.getSteps() != E.getSteps()," + "\n N.getSteps()="
+ N.GetSteps() + ", N=" + N + "\n E.getSteps()=" + E.GetSteps() + ", E=" + E);
}
this.N = N;
this.E = E;
}
/// <summary>Return the number of steps of this summation</summary>
internal virtual long GetSteps()
{
return(E.GetSteps());
}