public float Sum(int range)
{
float sum = 0;
int treeInd = range + 1;
while (treeInd > 0)
{
sum += tree[treeInd];
treeInd -= GMath.LowBit(treeInd);
}
return(sum);
}
public void Set(int index, float num)
{
float delta = num;
if (index >= Count)
{
throw new Exception("[NumberTree Set] argument out of range");
}
else
{
delta = num - values[index];
}
int treeInd = index + 1;
while (treeInd < TreeCount)
{
tree[treeInd] += num;
treeInd += GMath.LowBit(treeInd);
}
}