public void testTranspose() {
DenseMatrix A = rand(5, 8);
DenseMatrix At = A.t();
assertEquals(5, At.cols);
assertEquals(8, At.rows);
assertTrue(A.equals(At.t()));
SparseMatrixLil B = A.toSparseLil();
SparseMatrixLil Bt = B.t();
assertEquals(5, Bt.cols);
assertEquals(8, Bt.rows);
assertTrue(At.equals(Bt));
assertTrue(A.equals(Bt.t()));
}
public void testldltsolve() {
int K = thousandconstant;
DenseMatrix A_ = rand(K, K);
DenseMatrix A = A_.t().mmul(A_);
DenseMatrix B = rand(K, K);
Timer timer = new Timer();
DenseMatrix X = A.ldltSolve(B);
timer.printTimeCheckMilliseconds();
assertTrue(A.mmul(X).equals(B));
}
