| static private calc_sums ( int pmin, int pmax, uint data, uint n, uint pred_order, ulong sums ) : void | ||
| pmin | int | |
| pmax | int | |
| data | uint | |
| n | uint | |
| pred_order | uint | |
| sums | ulong | |
| return | void | |
static unsafe void calc_sums(int pmin, int pmax, uint* data, uint n, uint pred_order, ulong* sums)
{
int parts = (1 << pmax);
uint* res = data + pred_order;
uint cnt = (n >> pmax) - pred_order;
ulong sum = 0;
for (uint j = cnt; j > 0; j--)
sum += *(res++);
sums[0] = sum;
cnt = (n >> pmax);
for (int i = 1; i < parts; i++)
{
sum = 0;
for (uint j = cnt; j > 0; j--)
sum += *(res++);
sums[i] = sum;
}
}