/**
* Initializes class data structures and parameters
*/
void initialize(DMatrixSparseCSC A)
{
m = A.numRows;
n = A.numCols;
int s = 4 * n + (ata ? (n + m + 1) : 0);
gw.reshape(s);
w = gw.data;
// compute the transpose of A
At.reshape(A.numCols, A.numRows, A.nz_length);
CommonOps_DSCC.transpose(A, At, gw);
// initialize w
//Arrays.fill(w, 0, s, -1); // assign all values in workspace to -1
for (var i = 0; i < s; i++)
{
w[i] = -1;
}
ancestor = 0;
maxfirst = n;
prevleaf = 2 * n;
first = 3 * n;
}
private void init(int N)
{
this.N = N;
if (parent.Length < N)
{
parent = new int[N];
post = new int[N];
counts = new int[N];
gw.reshape(3 * N);
}
}
/**
* Initializes data structures
*/
void init(DMatrixSparseCSC A)
{
this.A = A;
this.m = A.numRows;
this.n = A.numCols;
this.next = 0;
this.head = m;
this.tail = m + n;
this.nque = m + 2 * n;
if (parent.Length < n || leftmost.Length < m)
{
parent = new int[n];
post = new int[n];
pinv = new int[m + n];
countsR = new int[n];
leftmost = new int[m];
}
gwork.reshape(m + 3 * n);
}
