Exemple #1
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  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));
  }
Exemple #2
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 public void testToCCS() {
   SparseMatrixLil A = sprand(10, 10);
   SparseMatrixLil B = A.toCCS().toLil();
   assertTrue(A.equals(B));
   A = sprand(thousandconstant, thousandconstant);
   B = A.toCCS().toLil();
   assertTrue(A.equals(B));
   A = A.t();
   B = A.toCCS().toLil();
   assertTrue(A.equals(B));
 }
Exemple #3
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 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))));
 }
Exemple #4
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  public void testSliceSparse() {
    SparseMatrixLil A = sprand(5, 8);
    SparseMatrixLil B = sprand(5, 12);
    SparseMatrixLil C = sprand(4, 8);
    SparseMatrixLil AB = A.concatRight(B);
    assertTrue(A.equals(AB.cols(0, 8)));
    assertTrue(B.equals(AB.cols(8, 20)));
    SparseMatrixLil AC = A.concatDown(C);
    assertTrue(A.equals(AC.rows(0, 5)));
    assertTrue(C.equals(AC.rows(5, 9)));

    A = spzeros(1, 5);
    A.append(0, 2, 3);
    assertEquals(A.row(0).cols, 5);
  }
Exemple #5
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 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));
 }
Exemple #6
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 public void testRowsIndexed() {
   SparseMatrixLil A = new SparseMatrixLil("1 5 3; 2 8 5; 1 9 4; 2 5 3");
   DenseMatrix indexes = new DenseMatrix("2; 1; 1");
   SparseMatrixLil B = A.rows(indexes);
   System.out.println(B.toDense());
   assertTrue(B.equals(new SparseMatrixLil("1 9 4; 2 8 5; 2 8 5")));
 }
Exemple #7
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 public void testConstructorByStringSparse() {
   SparseMatrixLil foo = new SparseMatrixLil("1 0; 5 7; 0 5");
   assertEquals(3, foo.rows);
   assertEquals(2, foo.cols);
   assertTrue(foo.equals(new DenseMatrix(new double[][] {{1, 0}, {5, 7}, {0, 5}})));
   assertEquals(5.0, foo.toDense().get(1, 0));
   assertEquals(7.0, foo.toDense().get(1, 1));
   assertEquals(4, foo.size);
 }
Exemple #8
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 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));
 }
Exemple #9
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  public void testSort() {
    SparseMatrixLil 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);
    B.sort();
    System.out.println(B.toDense());
    System.out.println(B);
    assertEquals(11.0, B.values[0]);
    assertEquals(5.0, B.values[1]);
    assertEquals(7.0, B.values[2]);

    SparseMatrixLil A = sprand(5, 8);
    B = A.add(0); // make copy
    System.out.println(B);
    B.sort();
    for (int i = 1; i < B.size; i++) {
      assertTrue(B.colIdx[i] >= B.colIdx[i - 1]);
      if (B.colIdx[i] == B.colIdx[i - 1]) {
        assertTrue(B.rowIdx[i] >= B.rowIdx[i - 1]);
      }
    }
    assertTrue(A.equals(B));
    System.out.println(B);
    SparseMatrixLil Bt = B.t();
    System.out.println(Bt);
    Bt.sort();
    for (int i = 1; i < Bt.size; i++) {
      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));
  }