Package net.fec.openrq.util.linearalgebra.vector

Examples of net.fec.openrq.util.linearalgebra.vector.ByteVector

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    @Test
    public void testSetColumn_InRangeOf_0_to_2() {

        ByteMatrix a = factory().createMatrix(new byte[][] { {0}, {0}, {0}, {0}});
        ByteMatrix b = factory().createMatrix(new byte[][] { {1}, {2}, {0}, {0}});
        ByteVector vector = factory().createVector(new byte[] {1, 2, 3, 4});

        a.setColumn(0, 0, vector, 0, 2);

        assertEquals(a, b);
    }
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    @Test
    public void testSetColumn_InRangeOf_0_to_4() {

        ByteMatrix a = factory().createMatrix(new byte[][] { {0}, {0}, {0}, {0}});
        ByteMatrix b = factory().createMatrix(new byte[][] { {1}, {2}, {3}, {4}});
        ByteVector vector = factory().createVector(new byte[] {1, 2, 3, 4});

        a.setColumn(0, 0, vector, 0, 4);

        assertEquals(a, b);
    }
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    @Test
    public void testSetColumn_InRangeOf_2_to_2() {

        ByteMatrix a = factory().createMatrix(new byte[][] { {0}, {0}, {0}, {0}});
        ByteMatrix b = factory().createMatrix(new byte[][] { {0}, {0}, {0}, {0}});
        ByteVector vector = factory().createVector(new byte[] {1, 2, 3, 4});

        a.setColumn(0, 0, vector, 2, 0); // yes, 0 is the length

        assertEquals(a, b);
    }
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    @Test
    public void testSetColumn_InRangeOf_2_to_4() {

        ByteMatrix a = factory().createMatrix(new byte[][] { {0}, {0}, {0}, {0}});
        ByteMatrix b = factory().createMatrix(new byte[][] { {0}, {0}, {3}, {4}});
        ByteVector vector = factory().createVector(new byte[] {1, 2, 3, 4});

        a.setColumn(0, 2, vector, 2, 2); // yes, the second 2 is the length

        assertEquals(a, b);
    }
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    @Test
    public void testSetColumn_InRangeOf_4_to_4() {

        ByteMatrix a = factory().createMatrix(new byte[][] { {0}, {0}, {0}, {0}});
        ByteMatrix b = factory().createMatrix(new byte[][] { {0}, {0}, {0}, {0}});
        ByteVector vector = factory().createVector(new byte[] {1, 2, 3, 4});

        a.setColumn(0, 4, vector, 4, 0); // yes, 0 is the length

        assertEquals(a, b);
    }
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        ByteMatrix a = factory().createMatrix(new byte[][] {
                                                            {1, 0, 3},
                                                            {0, 5, 0}
        });

        ByteVector b = factory().createVector(new byte[] {10, 0, 30});

        ByteVector c = factory().createVector(new byte[] {40, 0});

        // products are done over GF(2^8)
        // adds are XORs
        assertEquals(c, a.multiply(b));
    }
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                                                            {7, 0},
                                                            {3, 0},
                                                            {0, 1}
        });

        ByteVector b = factory().createVector(new byte[] {0, 10});

        ByteVector c = factory().createVector(new byte[] {0, 34, 0, 0, 10});

        assertEquals(c, a.multiply(b));
    }
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                                                            {3},
                                                            {0},
                                                            {3},
                                                            {0}
        });
        ByteVector c = factory().createVector(new byte[] {5});

        assertEquals(c, a.multiplyRow(0, b));
    }
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    @Test
    public void testMultiply_5_0x0_InRangeOf_0_to_0() {

        ByteMatrix a = factory().createMatrix(new byte[][] {{0, 1, 0, 2, 1}});
        ByteMatrix b = factory().createMatrix(new byte[][] {});
        ByteVector c = factory().createVector(new byte[] {});

        assertEquals(c, a.multiplyRow(0, b, 0, 0));
    }
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        ByteMatrix b = factory().createMatrix(new byte[][] {
                                                            {1},
                                                            {3},
                                                            {0}
        });
        ByteVector c = factory().createVector(new byte[] {3});

        assertEquals(c, a.multiplyRow(0, b, 0, 3));
    }
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Related Classes of net.fec.openrq.util.linearalgebra.vector.ByteVector

  • net.fec.openrq.util.linearalgebra.factory.AbstractFactoryTest
  • net.fec.openrq.util.linearalgebra.io.ByteVectorIterator
  • net.fec.openrq.util.linearalgebra.matrix.AbstractByteMatrix
  • net.fec.openrq.util.linearalgebra.matrix.AbstractByteMatrixTest
  • net.fec.openrq.util.linearalgebra.matrix.sparse.CRSByteMatrix
  • net.fec.openrq.util.linearalgebra.matrix.sparse.SparseVectors
  • net.fec.openrq.util.linearalgebra.vector.operation.ooplace.OoPlaceHadamardProduct
  • net.fec.openrq.util.linearalgebra.vector.operation.ooplace.OoPlaceVectorFromVectorSubtraction
  • net.fec.openrq.util.linearalgebra.vector.operation.ooplace.OoPlaceVectorToVectorAddition
  • net.fec.openrq.util.linearalgebra.vector.sparse.CompressedByteVector
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