pair<intT*,intT> st(edgeArray<intT> G){
intT m = G.nonZeros;
intT n = G.numRows;
unionFind UF(n);
reservation *R = new reservation[n];
intT l = (4*n)/3;
unionFindStep<intT> UFStep(G.E, UF, R);
speculative_for(UFStep, 0, m, 100);
_seq<intT> stIdx = sequence::filter((intT*) R, n, notMax());
cout << "Tree size = " << stIdx.n << endl;
UF.del(); delete[] R;
return pair<intT*,intT>(stIdx.A, stIdx.n);
}
pair<int*,int> st(edgeArray G){
int m = G.nonZeros;
int n = G.numRows;
unionFind UF(n);
int *R = newArray(n, INT_MAX);
int l = (4*n)/3;
unionFindStep UFStep(G.E, UF, R);
speculative_for(UFStep, 0, l, 80 );
speculative_for(UFStep, l, m, 40);
_seq<int> stIdx = sequence::filter(R, n, notMax());
cout << "Tree size = " << stIdx.n << endl;
UF.del(); delete[] R;
return pair<int*,int>(stIdx.A, stIdx.n);
}