Exemplo n.º 1
0
 public void testCreateSparse() {
   DenseMatrix A = rand(5, 5);
   SparseMatrixLil B = A.toSparseLil();
   assertTrue(B.equals(B.mmul(eye(5))));
   assertTrue(B.equals(B.t().mmul(eye(5)).t()));
   B = spzeros(2, 2);
   B.append(1, 0, 5);
   B.append(0, 1, 7);
   B.append(0, 0, 11);
   System.out.println(B.toDense());
   System.out.println(B.mmul(eye(2)));
   assertTrue(B.equals(B.mmul(eye(2))));
 }
Exemplo n.º 2
0
 public void testSparseMultiply() {
   SparseMatrixLil A = sprand(3, 5);
   System.out.println(A);
   SparseMatrixLil A2 = A.mmul(speye(5));
   System.out.println(A2);
   assertTrue(A.equals(A2));
 }
Exemplo n.º 3
0
  public void xtestSortViaNative() {
    SparseMatrixLil B = spzeros(2, 2);
    System.out.println("xtestSortViaNative");

    int R = thousandconstant;
    int C = largematrixsize;
    SparseMatrixLil A = sprand(R, C);
    System.out.println("created A");
    B = A.add(0); // make copy
    System.out.println("created B");
    //		System.out.println(B);
    //		B.sort();
    B = B.mmul(speye(C));
    for (int i = 0; i < B.size; i++) {
      if (i > 0) {
        assertTrue(B.colIdx[i] >= B.colIdx[i - 1]);
        if (B.colIdx[i] == B.colIdx[i - 1]) {
          assertTrue(B.rowIdx[i] >= B.rowIdx[i - 1]);
        }
      }
      assertEquals(A.rowIdx[i], B.rowIdx[i]);
      assertEquals(A.colIdx[i], B.colIdx[i]);
      assertEquals(A.values[i], B.values[i]);
    }
    System.out.println("sorted B");
    //		assertTrue( A.equals(B));
    //		System.out.println("asserted equals");
    //		System.out.println(B);
    B = null;
    SparseMatrixLil Bt = A.t(); // t() is also a copy
    System.out.println("transposed A");
    //		System.out.println(Bt);
    //		Bt.sort();
    Bt = Bt.mmul(speye(R));
    System.out.println("sorted Bt");
    for (int i = 0; i < Bt.size; i++) {
      if (i > 0) {
        assertTrue(Bt.colIdx[i] >= Bt.colIdx[i - 1]);
        if (Bt.colIdx[i] == Bt.colIdx[i - 1]) {
          assertTrue(Bt.rowIdx[i] >= Bt.rowIdx[i - 1]);
        }
      }
    }
    //		System.out.println(Bt);
    assertTrue(A.toDense().t().equals(Bt));
    System.out.println("checed equal to At");
  }
Exemplo n.º 4
0
 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));
 }
Exemplo n.º 5
0
 public void testOneSparse() {
   SparseMatrixLil A = SparseMatrixLil.rand(3, 3).t();
   System.out.println(A);
   SparseMatrixLil B = SparseMatrixLil.rand(3, 3);
   System.out.println(B);
   SparseMatrixLil C = A.mmul(B);
   System.out.println(C);
   DenseMatrix CDense = A.toDense().mmul(B.toDense());
   System.out.println(CDense);
   assertTrue(C.equals(CDense));
 }
Exemplo n.º 6
0
  public void testThreeSparse() {
    int K = 60;
    int N = thousandconstant;
    SparseMatrixLil A = SparseMatrixLil.rand(N, K);
    SparseMatrixLil B = SparseMatrixLil.rand(K, N);
    //		System.out.println(A.toDense());
    Timer timer = new Timer();
    SparseMatrixLil C = B.mmul(A);
    timer.printTimeCheckMilliseconds();
    SparseMatrixLil C1 = B.mmul(A);
    timer.printTimeCheckMilliseconds();
    SparseMatrixLil C2 = B.mmul(A);
    timer.printTimeCheckMilliseconds();
    DenseMatrix CDense = B.toDense().mmul(A.toDense());
    timer.printTimeCheckMilliseconds("for dense");
    assertTrue(C.equals(CDense));

    K = 400;
    N = thousandconstant;
    A = SparseMatrixLil.rand(N, K);
    B = SparseMatrixLil.rand(K, N);
    //		System.out.println(A.toDense());
    timer = new Timer();
    C = B.mmul(A);
    timer.printTimeCheckMilliseconds();
    C1 = B.mmul(A);
    timer.printTimeCheckMilliseconds();
    C2 = B.mmul(A);
    timer.printTimeCheckMilliseconds();
    CDense = B.toDense().mmul(A.toDense());
    timer.printTimeCheckMilliseconds("for dense");
    assertTrue(C.equals(CDense));
  }