public static void spanCheck(SpanF chk)
{
if (double.IsInfinity(chk.From) || double.IsInfinity(chk.To))
{
return;
}
if (double.IsNaN(chk.From) || double.IsNaN(chk.To))
{
return;
//throw new ArgumentOutOfRangeException("Span contains NaN: " + chk.ToString() );
}
if ((chk.To >= chk.From))
{
}
else
{
throw new ArgumentOutOfRangeException("Not a valid span!: " + chk.ToString());
}
}
