/// <summary>
/// The Remove.
/// </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="bool"/>.</returns>
public override bool Remove(int offsetBase, int offsetFactor, int indexOffset, int x)
{
if (min == max)
{
if (min != x)
{
return(false);
}
min = NULL_KEY;
max = NULL_KEY;
sigmaNode = null;
return(true);
}
BaseSpectrum scopesItem;
int x_highest;
int scopesKey;
if (min == x)
{
int firstCluster = sigmaNode.IndexMin;
scopesKey = offsetBase + (indexOffset * parentSqrt) + firstCluster;
scopes.TryGet(scopesKey, out scopesItem);
x = index(firstCluster, scopesItem.IndexMin);
min = x;
}
x_highest = highest(x);
scopesKey = offsetBase + (indexOffset * parentSqrt) + x_highest;
if (!scopes.TryGet(scopesKey, out scopesItem))
{
return(false);
}
scopesItem.Remove(offsetBase + (offsetFactor * parentSqrt), (offsetFactor * parentSqrt), (indexOffset * parentSqrt) + x_highest, lowest(x));
if (scopesItem.IndexMin == NULL_KEY)
{
scopes.Remove(scopesKey);
sigmaNode.Remove(highest(x));
if (x == max)
{
int sigmaNodeMaximum = sigmaNode.IndexMax;
if (sigmaNodeMaximum == NULL_KEY)
{
max = min;
sigmaNode = null;
}
else
{
scopesKey = offsetBase + (indexOffset * parentSqrt) + sigmaNodeMaximum;
scopes.TryGet(scopesKey, out scopesItem);
int maximumKey = scopesItem.IndexMax;
max = index(sigmaNodeMaximum, maximumKey);
}
}
}
else if (x == max)
{
scopesKey = offsetBase + (indexOffset * parentSqrt) + highest(x);
scopes.TryGet(scopesKey, out scopesItem);
int maximumKey = scopesItem.IndexMax;
max = index(highest(x), maximumKey);
}
return(true);
}
