/// <summary>
/// The Next.
/// </summary>
/// <param name="offsetBase">The offsetBase<see cref="int"/>.</param>
/// <param name="offsetFactor">The offsetFactor<see cref="int"/>.</param>
/// <param name="indexOffset">The indexOffset<see cref="int"/>.</param>
/// <param name="x">The x<see cref="int"/>.</param>
/// <returns>The <see cref="int"/>.</returns>
public override int Next(int offsetBase, int offsetFactor, int indexOffset, int x)
{
if (min != NULL_KEY && x < min)
{
return(min);
}
BaseSpectrum scopesItem;
int x_highest = highest(x);
int scopesKey;
scopesKey = offsetBase + (indexOffset * parentSqrt) + x_highest;
int maximumLow = NULL_KEY;
if (scopes.TryGet(scopesKey, out scopesItem))
{
maximumLow = scopesItem.IndexMax;
}
if (maximumLow != NULL_KEY && lowest(x) < maximumLow)
{
int _offset = scopesItem.Next(offsetBase + (offsetFactor * parentSqrt), (offsetFactor * parentSqrt), (indexOffset * parentSqrt) + x_highest, lowest(x));
return(index(x_highest, _offset));
}
if (sigmaNode == null)
{
return(NULL_KEY);
}
//======================//
//from sigmaNode part
//======================//
int successorCluster = sigmaNode.Next(x_highest);
if (successorCluster == NULL_KEY)
{
return(NULL_KEY);
}
scopesKey = offsetBase + (indexOffset * parentSqrt) + successorCluster;
scopes.TryGet(scopesKey, out scopesItem);
int offset = scopesItem.IndexMin;
return(index(successorCluster, offset));
}
