private unsafe void IntersectWithEnumerable(IEnumerable <T> other)
{
System.Collections.Generic.BitHelper helper;
int lastIndex = this.m_lastIndex;
int length = System.Collections.Generic.BitHelper.ToIntArrayLength(lastIndex);
if (length <= 100)
{
int *bitArrayPtr = (int *)stackalloc byte[(((IntPtr)length) * 4)];
helper = new System.Collections.Generic.BitHelper(bitArrayPtr, length);
}
else
{
int[] bitArray = new int[length];
helper = new System.Collections.Generic.BitHelper(bitArray, length);
}
foreach (T local in other)
{
int bitPosition = this.InternalIndexOf(local);
if (bitPosition >= 0)
{
helper.MarkBit(bitPosition);
}
}
for (int i = 0; i < lastIndex; i++)
{
if ((this.m_slots[i].hashCode >= 0) && !helper.IsMarked(i))
{
this.Remove(this.m_slots[i].value);
}
}
}
private unsafe ElementCount <T> CheckUniqueAndUnfoundElements(IEnumerable <T> other, bool returnIfUnfound)
{
ElementCount <T> count;
if (this.m_count != 0)
{
System.Collections.Generic.BitHelper helper;
int length = System.Collections.Generic.BitHelper.ToIntArrayLength(this.m_lastIndex);
if (length <= 100)
{
int *bitArrayPtr = (int *)stackalloc byte[(((IntPtr)length) * 4)];
helper = new System.Collections.Generic.BitHelper(bitArrayPtr, length);
}
else
{
int[] bitArray = new int[length];
helper = new System.Collections.Generic.BitHelper(bitArray, length);
}
int num4 = 0;
int num5 = 0;
foreach (T local in other)
{
int bitPosition = this.InternalIndexOf(local);
if (bitPosition >= 0)
{
if (!helper.IsMarked(bitPosition))
{
helper.MarkBit(bitPosition);
num5++;
}
}
else
{
num4++;
if (returnIfUnfound)
{
break;
}
}
}
count.uniqueCount = num5;
count.unfoundCount = num4;
return(count);
}
int num = 0;
using (IEnumerator <T> enumerator = other.GetEnumerator())
{
while (enumerator.MoveNext())
{
T current = enumerator.Current;
num++;
goto Label_0039;
}
}
Label_0039:
count.uniqueCount = 0;
count.unfoundCount = num;
return(count);
}
private unsafe void SymmetricExceptWithEnumerable(IEnumerable <T> other)
{
System.Collections.Generic.BitHelper helper;
System.Collections.Generic.BitHelper helper2;
int lastIndex = this.m_lastIndex;
int length = System.Collections.Generic.BitHelper.ToIntArrayLength(lastIndex);
if (length <= 50)
{
int *bitArrayPtr = (int *)stackalloc byte[(((IntPtr)length) * 4)];
helper = new System.Collections.Generic.BitHelper(bitArrayPtr, length);
int *numPtr2 = (int *)stackalloc byte[(((IntPtr)length) * 4)];
helper2 = new System.Collections.Generic.BitHelper(numPtr2, length);
}
else
{
int[] bitArray = new int[length];
helper = new System.Collections.Generic.BitHelper(bitArray, length);
int[] numArray2 = new int[length];
helper2 = new System.Collections.Generic.BitHelper(numArray2, length);
}
foreach (T local in other)
{
int location = 0;
if (this.AddOrGetLocation(local, out location))
{
helper2.MarkBit(location);
}
else if ((location < lastIndex) && !helper2.IsMarked(location))
{
helper.MarkBit(location);
}
}
for (int i = 0; i < lastIndex; i++)
{
if (helper.IsMarked(i))
{
this.Remove(this.m_slots[i].value);
}
}
}
