org.ujmp.core.Matrix.isSparse()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中org.ujmp.core.Matrix.isSparse()方法的一些代码示例，展示了Matrix.isSparse()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Matrix.isSparse()方法的具体详情如下：
包路径：org.ujmp.core.Matrix
类名称：Matrix
方法名：isSparse

Matrix.isSparse介绍

暂无

代码示例

代码示例来源：origin: ujmp/universal-java-matrix-package

public final boolean isSparse() {
  return matrix.isSparse();
}

代码示例来源：origin: ujmp/universal-java-matrix-package

public boolean isSparse() {
  loadContent();
  return matrix.isSparse();
}

代码示例来源：origin: ujmp/universal-java-matrix-package

public boolean isSparse() {
  return getSource().isSparse();
}

代码示例来源：origin: ujmp/universal-java-matrix-package

public final void calc(final Matrix source1, final Matrix source2, final Matrix target) {
  if (source1.isSparse() && source1 instanceof SparseMatrix && source2.isSparse()
      && source2 instanceof SparseMatrix) {
    Mtimes.SPARSEMATRIXBOTH.calc((SparseMatrix) source1, (SparseMatrix) source2, target);
  } else if (source1.isSparse() && source1 instanceof SparseMatrix) {
    Mtimes.SPARSEMATRIX1.calc((SparseMatrix) source1, source2, target);
  } else if (source2.isSparse() && source2 instanceof SparseMatrix) {
    Mtimes.SPARSEMATRIX2.calc(source1, (SparseMatrix) source2, target);
  } else if (source1 instanceof DenseDoubleMatrix2D && source2 instanceof DenseDoubleMatrix2D
      && target instanceof DenseDoubleMatrix2D) {
    Mtimes.DENSEDOUBLEMATRIX2D.calc((DenseDoubleMatrix2D) source1,
        (DenseDoubleMatrix2D) source2, (DenseDoubleMatrix2D) target);
  } else if (source1 instanceof DenseMatrix2D && source2 instanceof DenseMatrix2D
      && target instanceof DenseMatrix2D) {
    Mtimes.DENSEMATRIX2D.calc((DenseMatrix2D) source1, (DenseMatrix2D) source2,
        (DenseMatrix2D) target);
  } else if (source1 instanceof DenseMatrix && source2 instanceof DenseMatrix
      && target instanceof DenseMatrix) {
    Mtimes.DENSEMATRIX.calc((DenseMatrix) source1, (DenseMatrix) source2,
        (DenseMatrix) target);
  } else {
    gemm(source1, source2, target);
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

return false;
if (isSparse() && m.isSparse()) {
  for (long[] c : availableCoordinates()) {
    Object o1 = getAsObject(c);

代码示例来源：origin: ujmp/universal-java-matrix-package

public final void calc(final Matrix source, final Matrix target) {
    if (source == target) {
      throw new RuntimeException("cannot transpose into original matrix");
    }
    if (source.isSparse() && source instanceof SparseMatrix && target.isSparse()
        && target instanceof SparseMatrix) {
      Transpose.SPARSEMATRIX.calc((SparseMatrix) source, (SparseMatrix) target);
    } else if (source instanceof DenseDoubleMatrix2D && target instanceof DenseDoubleMatrix2D) {
      Transpose.DENSEDOUBLEMATRIX2D.calc((DenseDoubleMatrix2D) source,
          (DenseDoubleMatrix2D) target);
    } else if (source instanceof DenseMatrix2D && target instanceof DenseMatrix2D) {
      Transpose.DENSEMATRIX2D.calc((DenseMatrix2D) source, (DenseMatrix2D) target);
    } else if (source instanceof DenseMatrix && target instanceof DenseMatrix) {
      Transpose.DENSEMATRIX.calc((DenseMatrix) source, (DenseMatrix) target);
    } else {
      VerifyUtil.verify2D(source);
      VerifyUtil.verify2D(target);
      VerifyUtil.verifyEquals(source.getRowCount(), target.getColumnCount(),
          "matrices have wrong size");
      VerifyUtil.verifyEquals(source.getColumnCount(), target.getRowCount(),
          "matrices have wrong size");
      for (long[] c : source.allCoordinates()) {
        Object o = source.getAsObject(c);
        target.setAsObject(o, Coordinates.transpose(c));
      }
    }
  }
};

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public final void testSparseIterator() throws Exception {
  Matrix m = createMatrix(2, 2);
  if (isTestSparse() && m.isSparse()) {
    m = createMatrix(800000, 900000);
    m.setAsDouble(1.0, 3, 4);
    m.setAsDouble(2.0, 334, 2214);
    m.setAsDouble(3.0, 335, 2215);
    m.setAsDouble(4.0, 334232, 3434);
    List<Coordinates> list = new ArrayList<Coordinates>();
    for (long[] c : m.nonZeroCoordinates()) {
      list.add(Coordinates.wrap(Coordinates.copyOf(c)));
    }
    assertEquals(4, list.size());
    assertTrue(list.contains(Coordinates.wrap(3, 4)));
    assertTrue(list.contains(Coordinates.wrap(334, 2214)));
    assertTrue(list.contains(Coordinates.wrap(335, 2215)));
    assertTrue(list.contains(Coordinates.wrap(334232, 3434)));
    m.setAsDouble(0.0, 335, 2215);
    list.clear();
    for (long[] c : m.nonZeroCoordinates()) {
      list.add(Coordinates.wrap(Coordinates.copyOf(c)));
    }
    assertEquals(3, list.size());
    assertTrue(list.contains(Coordinates.wrap(3, 4)));
    assertTrue(list.contains(Coordinates.wrap(334, 2214)));
    assertTrue(list.contains(Coordinates.wrap(334232, 3434)));
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public final void testAvailableCoordinateIterator2D() throws Exception {
  Matrix m = getTestMatrix();
  List<Coordinates> clist = new ArrayList<Coordinates>();
  for (long[] c : m.availableCoordinates()) {
    clist.add(Coordinates.wrap(c).clone());
  }
  if (m.isSparse()) {
    assertEquals(getLabel(), 5, clist.size());
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(0, 0)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(1, 0)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(1, 1)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(2, 1)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(1, 2)));
  } else {
    assertEquals(getLabel(), 9, clist.size());
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(0, 0)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(0, 1)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(0, 2)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(1, 0)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(1, 1)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(1, 2)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(2, 0)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(2, 1)));
    assertTrue(getLabel(), clist.contains(Coordinates.wrap(2, 2)));
  }
  if (m instanceof Erasable) {
    ((Erasable) m).erase();
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

if (m.isSparse()) {
  assertFalse(m.containsCoordinates(0, 1));
} else {
if (m.isSparse()) {
  assertFalse(m.containsCoordinates(0, 2));
} else {
assertTrue(m.containsCoordinates(1, 1));
if (m.isSparse()) {
  assertFalse(m.containsCoordinates(0, 1));
} else {
if (m.isSparse()) {
  assertFalse(m.containsCoordinates(0, 1));
} else {
if (m.isSparse()) {
  assertFalse(m.containsCoordinates(0, 1));
} else {

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public final void testSparseTranspose() throws Exception {
  Matrix m = createMatrix(2, 2);
  if (isTestSparse() && m.isSparse()) {
    m = createMatrix(800000, 900000);
    m.setAsDouble(1, 3, 4);
    m.setAsDouble(1, 334534, 4454);
    assertEquals(1.0, m.getAsDouble(3, 4), TOLERANCE);
    assertEquals(1.0, m.getAsDouble(334534, 4454), TOLERANCE);
    m = m.transpose();
    assertEquals(1.0, m.getAsDouble(4, 3), TOLERANCE);
    assertEquals(1.0, m.getAsDouble(4454, 334534), TOLERANCE);
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public final void testSparseMultiplySmall() throws Exception {
  Matrix m1 = createMatrix(2, 2);
  Matrix m2 = null;
  if (isTestSparse() && m1.isSparse()) {
    m1 = createMatrix(8, 9);
    m2 = createMatrix(9, 4);
    m1.setAsDouble(5.0, 0, 0);
    m1.setAsDouble(4.0, 1, 1);
    m1.setAsDouble(1.0, 3, 4);
    m1.setAsDouble(2.0, 4, 2);
    m1.setAsDouble(3.0, 3, 5);
    m1.setAsDouble(4.0, 4, 4);
    m2.setAsDouble(7.0, 0, 0);
    m2.setAsDouble(6.0, 1, 1);
    m2.setAsDouble(1.0, 3, 4);
    m2.setAsDouble(2.0, 4, 1);
    m2.setAsDouble(3.0, 3, 2);
    m2.setAsDouble(4.0, 2, 3);
    Matrix m3 = m1.mtimes(m2);
    Matrix m4 = m1.mtimes(Ret.LINK, true, m2);
    assertEquals(m3, m4);
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public final void testSparseSetToZero() throws Exception {
  Matrix m = createMatrix(2, 2);
  if (isTestSparse() && m.isSparse()) {
    m = createMatrix(800000, 900000);
    m.setAsDouble(1.0, 3, 4);
    m.setAsDouble(2.0, 334, 2214);
    m.setAsDouble(3.0, 335, 2215);
    m.setAsDouble(4.0, 334232, 3434);
    assertEquals(1.0, m.getAsDouble(3, 4), TOLERANCE);
    assertEquals(2.0, m.getAsDouble(334, 2214), TOLERANCE);
    assertEquals(3.0, m.getAsDouble(335, 2215), TOLERANCE);
    assertEquals(4.0, m.getAsDouble(334232, 3434), TOLERANCE);
    m.setAsDouble(0.0, 335, 2215);
    assertEquals(1.0, m.getAsDouble(3, 4), TOLERANCE);
    assertEquals(2.0, m.getAsDouble(334, 2214), TOLERANCE);
    assertEquals(0.0, m.getAsDouble(335, 2215), TOLERANCE);
    assertEquals(4.0, m.getAsDouble(334232, 3434), TOLERANCE);
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

Matrix m1 = createMatrix(2, 2);
Matrix m2 = null;
if (isTestSparse() && m1.isSparse()) {
  m1 = createMatrix(800000, 900000);
  m2 = createMatrix(900000, 400000);

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