public void testSparseDenseMmul() { int K = 60; int N = thousandconstant; SparseMatrixLil A = SparseMatrixLil.rand(K, N); DenseMatrix B = DenseMatrix.rand(N, K); Timer timer = new Timer(); DenseMatrix C = A.mmul(B); timer.printTimeCheckMilliseconds(); DenseMatrix C2 = A.toDense().mmul(B); assertTrue(C.equals(C2)); }