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Posted to commits@ignite.apache.org by av...@apache.org on 2017/04/17 16:01:56 UTC

[14/26] ignite git commit: IGNITE-5000 Rename Ignite Math module to Ignite ML module

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/ConstantVectorConstructorTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/ConstantVectorConstructorTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/ConstantVectorConstructorTest.java
deleted file mode 100644
index 2ed42bc..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/ConstantVectorConstructorTest.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/** */
-public class ConstantVectorConstructorTest {
-    /** */
-    private static final int IMPOSSIBLE_SIZE = -1;
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void negativeSizeTest() {
-        assertEquals("Negative size.", IMPOSSIBLE_SIZE,
-            new ConstantVector(-1, 1).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void zeroSizeTest() {
-        assertEquals("Zero size.", IMPOSSIBLE_SIZE,
-            new ConstantVector(0, 1).size());
-    }
-
-    /** */
-    @Test
-    public void primitiveTest() {
-        assertEquals("1 size.", 1,
-            new ConstantVector(1, 1).size());
-
-        assertEquals("2 size.", 2,
-            new ConstantVector(2, 1).size());
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DelegatingVectorConstructorTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DelegatingVectorConstructorTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DelegatingVectorConstructorTest.java
deleted file mode 100644
index 82e4e0b..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DelegatingVectorConstructorTest.java
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import org.apache.ignite.math.Vector;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/** */
-public class DelegatingVectorConstructorTest {
-    /** */
-    private static final int IMPOSSIBLE_SIZE = -1;
-
-    /** */
-    @Test
-    public void basicTest() {
-        final Vector parent = new DenseLocalOnHeapVector(new double[] {0, 1});
-
-        final Vector delegate = new DelegatingVector(parent);
-
-        final int size = parent.size();
-
-        assertEquals("Delegate size differs from expected.", size, delegate.size());
-
-        for (int idx = 0; idx < size; idx++)
-            assertDelegate(parent, delegate, idx);
-    }
-
-    /** */
-    private void assertDelegate(Vector parent, Vector delegate, int idx) {
-        assertValue(parent, delegate, idx);
-
-        parent.set(idx, parent.get(idx) + 1);
-
-        assertValue(parent, delegate, idx);
-
-        delegate.set(idx, delegate.get(idx) + 2);
-
-        assertValue(parent, delegate, idx);
-    }
-
-    /** */
-    private void assertValue(Vector parent, Vector delegate, int idx) {
-        assertEquals("Unexpected value at index " + idx, parent.get(idx), delegate.get(idx), 0d);
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DenseLocalOffHeapVectorConstructorTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DenseLocalOffHeapVectorConstructorTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DenseLocalOffHeapVectorConstructorTest.java
deleted file mode 100644
index d62f35f..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DenseLocalOffHeapVectorConstructorTest.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/** */
-public class DenseLocalOffHeapVectorConstructorTest {
-    /** */
-    private static final int IMPOSSIBLE_SIZE = -1;
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void negativeSizeTest() {
-        assertEquals("Negative size.", IMPOSSIBLE_SIZE,
-            new DenseLocalOffHeapVector(-1).size());
-    }
-
-    /** */
-    @Test(expected = NullPointerException.class)
-    public void nullArrayTest() {
-        assertEquals("Null array.", IMPOSSIBLE_SIZE,
-            new DenseLocalOffHeapVector(null).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void zeroSizeTest() {
-        assertEquals("0 size.", IMPOSSIBLE_SIZE,
-            new DenseLocalOffHeapVector(new double[0]).size());
-    }
-
-    /** */
-    @Test
-    public void primitiveTest() {
-        assertEquals("1 size.", 1,
-            new DenseLocalOffHeapVector(new double[1]).size());
-
-        assertEquals("2 size.", 2,
-            new DenseLocalOffHeapVector(new double[2]).size());
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DenseLocalOnHeapVectorConstructorTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DenseLocalOnHeapVectorConstructorTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DenseLocalOnHeapVectorConstructorTest.java
deleted file mode 100644
index c10778e..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/DenseLocalOnHeapVectorConstructorTest.java
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import java.util.HashMap;
-import java.util.Map;
-import org.apache.ignite.math.exceptions.UnsupportedOperationException;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/** */
-public class DenseLocalOnHeapVectorConstructorTest {
-    /** */
-    private static final int IMPOSSIBLE_SIZE = -1;
-
-    /** */
-    @Test(expected = org.apache.ignite.math.exceptions.UnsupportedOperationException.class)
-    public void mapInvalidArgsTest() {
-        assertEquals("Expect exception due to invalid args.", IMPOSSIBLE_SIZE,
-            new DenseLocalOnHeapVector(new HashMap<String, Object>() {{
-                put("invalid", 99);
-            }}).size());
-    }
-
-    /** */
-    @Test(expected = UnsupportedOperationException.class)
-    public void mapMissingArgsTest() {
-        final Map<String, Object> test = new HashMap<String, Object>() {{
-            put("arr", new double[0]);
-            put("shallowCopyMissing", "whatever");
-        }};
-
-        assertEquals("Expect exception due to missing args.", IMPOSSIBLE_SIZE,
-            new DenseLocalOnHeapVector(test).size());
-    }
-
-    /** */
-    @Test(expected = ClassCastException.class)
-    public void mapInvalidArrTypeTest() {
-        final Map<String, Object> test = new HashMap<String, Object>() {{
-            put("size", "whatever");
-        }};
-
-        assertEquals("Expect exception due to invalid arr type.", IMPOSSIBLE_SIZE,
-            new DenseLocalOnHeapVector(test).size());
-    }
-
-    /** */
-    @Test(expected = UnsupportedOperationException.class)
-    public void mapInvalidCopyTypeTest() {
-        final Map<String, Object> test = new HashMap<String, Object>() {{
-            put("arr", new double[0]);
-            put("shallowCopy", 0);
-        }};
-
-        assertEquals("Expect exception due to invalid copy type.", IMPOSSIBLE_SIZE,
-            new DenseLocalOnHeapVector(test).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void mapNullTest() {
-        //noinspection ConstantConditions
-        assertEquals("Null map args.", IMPOSSIBLE_SIZE,
-            new DenseLocalOnHeapVector((Map<String, Object>)null).size());
-    }
-
-    /** */
-    @Test
-    public void mapTest() {
-        assertEquals("Size from args.", 99,
-            new DenseLocalOnHeapVector(new HashMap<String, Object>() {{
-                put("size", 99);
-            }}).size());
-
-        final double[] test = new double[99];
-
-        assertEquals("Size from array in args.", test.length,
-            new DenseLocalOnHeapVector(new HashMap<String, Object>() {{
-                put("arr", test);
-                put("copy", false);
-            }}).size());
-
-        assertEquals("Size from array in args, shallow copy.", test.length,
-            new DenseLocalOnHeapVector(new HashMap<String, Object>() {{
-                put("arr", test);
-                put("copy", true);
-            }}).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void negativeSizeTest() {
-        assertEquals("Negative size.", IMPOSSIBLE_SIZE,
-            new DenseLocalOnHeapVector(-1).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void nullCopyTest() {
-        assertEquals("Null array to non-shallow copy.", IMPOSSIBLE_SIZE,
-            new DenseLocalOnHeapVector(null, false).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void nullDefaultCopyTest() {
-        assertEquals("Null array default copy.", IMPOSSIBLE_SIZE,
-            new DenseLocalOnHeapVector((double[])null).size());
-    }
-
-    /** */
-    @Test(expected = NullPointerException.class)
-    public void defaultConstructorTest() {
-        assertEquals("Default constructor.", IMPOSSIBLE_SIZE,
-            new DenseLocalOnHeapVector().size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void nullArrShallowCopyTest() {
-        assertEquals("Null array shallow copy.", IMPOSSIBLE_SIZE,
-            new DenseLocalOnHeapVector(null, true).size());
-    }
-
-    /** */
-    @Test
-    public void primitiveTest() {
-        assertEquals("0 size shallow copy.", 0,
-            new DenseLocalOnHeapVector(new double[0], true).size());
-
-        assertEquals("0 size.", 0,
-            new DenseLocalOnHeapVector(new double[0], false).size());
-
-        assertEquals("1 size shallow copy.", 1,
-            new DenseLocalOnHeapVector(new double[1], true).size());
-
-        assertEquals("1 size.", 1,
-            new DenseLocalOnHeapVector(new double[1], false).size());
-
-        assertEquals("0 size default copy.", 0,
-            new DenseLocalOnHeapVector(new double[0]).size());
-
-        assertEquals("1 size default copy.", 1,
-            new DenseLocalOnHeapVector(new double[1]).size());
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/FunctionVectorConstructorTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/FunctionVectorConstructorTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/FunctionVectorConstructorTest.java
deleted file mode 100644
index 57c96d1..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/FunctionVectorConstructorTest.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.function.IntToDoubleFunction;
-import org.apache.ignite.math.exceptions.UnsupportedOperationException;
-import org.apache.ignite.math.functions.IgniteFunction;
-import org.apache.ignite.math.functions.IntDoubleToVoidFunction;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/** */
-public class FunctionVectorConstructorTest {
-    /** */
-    private static final int IMPOSSIBLE_SIZE = -1;
-
-    /** */
-    @Test(expected = org.apache.ignite.math.exceptions.UnsupportedOperationException.class)
-    public void mapInvalidArgsTest() {
-        assertEquals("Expect exception due to invalid args.", IMPOSSIBLE_SIZE,
-            new FunctionVector(new HashMap<String, Object>() {{
-                put("invalid", 99);
-            }}).size());
-    }
-
-    /** */
-    @Test(expected = UnsupportedOperationException.class)
-    public void mapMissingArgsTest() {
-        final Map<String, Object> test = new HashMap<String, Object>() {{
-            put("size", 1);
-            put("paramMissing", "whatever");
-        }};
-
-        assertEquals("Expect exception due to missing args.",
-            -1, new FunctionVector(test).size());
-    }
-
-    /** */
-    @Test(expected = ClassCastException.class)
-    public void mapInvalidParamTypeTest() {
-        final Map<String, Object> test = new HashMap<String, Object>() {{
-            put("size", "whatever");
-
-            put("getFunc", (IntToDoubleFunction)i -> i);
-        }};
-
-        assertEquals("Expect exception due to invalid param type.", IMPOSSIBLE_SIZE,
-            new FunctionVector(test).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void mapNullTest() {
-        //noinspection ConstantConditions
-        assertEquals("Null map args.", IMPOSSIBLE_SIZE,
-            new FunctionVector(null).size());
-    }
-
-    /** */
-    @Test
-    public void mapTest() {
-        assertEquals("Size from args.", 99,
-            new FunctionVector(new HashMap<String, Object>() {{
-                put("size", 99);
-
-                put("getFunc", (IgniteFunction<Integer, Double>)i -> (double)i);
-            }}).size());
-
-        assertEquals("Size from args with setFunc.", 99,
-            new FunctionVector(new HashMap<String, Object>() {{
-                put("size", 99);
-
-                put("getFunc", (IgniteFunction<Integer, Double>)i -> (double)i);
-
-                put("setFunc", (IntDoubleToVoidFunction)(integer, aDouble) -> {
-                });
-            }}).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void negativeSizeTest() {
-        assertEquals("Negative size.", IMPOSSIBLE_SIZE,
-            new FunctionVector(-1, (i) -> (double)i).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void zeroSizeTest() {
-        assertEquals("0 size.", IMPOSSIBLE_SIZE,
-            new FunctionVector(0, (i) -> (double)i).size());
-    }
-
-    /** */
-    @Test
-    public void primitiveTest() {
-        assertEquals("1 size.", 1,
-            new FunctionVector(1, (i) -> (double)i).size());
-
-        assertEquals("2 size.", 2,
-            new FunctionVector(2, (i) -> (double)i).size());
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/MatrixVectorViewTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/MatrixVectorViewTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/MatrixVectorViewTest.java
deleted file mode 100644
index b7e390e..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/MatrixVectorViewTest.java
+++ /dev/null
@@ -1,209 +0,0 @@
-package org.apache.ignite.math.impls.vector;
-
-import org.apache.ignite.math.Matrix;
-import org.apache.ignite.math.Vector;
-import org.apache.ignite.math.exceptions.IndexException;
-import org.apache.ignite.math.impls.matrix.DenseLocalOnHeapMatrix;
-import org.junit.Before;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-
-/**
- * Tests for {@link MatrixVectorView}.
- */
-public class MatrixVectorViewTest {
-    /** */
-    private static final String UNEXPECTED_VALUE = "Unexpected value";
-    /** */
-    private static final int SMALL_SIZE = 3;
-    /** */
-    private static final int IMPOSSIBLE_SIZE = -1;
-
-    /** */
-    private Matrix parent;
-
-    /** */
-    @Before
-    public void setup() {
-        parent = newMatrix(SMALL_SIZE, SMALL_SIZE);
-    }
-
-    /** */
-    @Test
-    public void testDiagonal() {
-        Vector vector = parent.viewDiagonal();
-
-        for (int i = 0; i < SMALL_SIZE; i++)
-            assertView(i, i, vector, i);
-    }
-
-    /** */
-    @Test
-    public void testRow() {
-        for (int i = 0; i < SMALL_SIZE; i++) {
-            Vector viewRow = parent.viewRow(i);
-
-            for (int j = 0; j < SMALL_SIZE; j++)
-                assertView(i, j, viewRow, j);
-        }
-    }
-
-    /** */
-    @Test
-    public void testCols() {
-        for (int i = 0; i < SMALL_SIZE; i++) {
-            Vector viewCol = parent.viewColumn(i);
-
-            for (int j = 0; j < SMALL_SIZE; j++)
-                assertView(j, i, viewCol, j);
-        }
-    }
-
-    /** */
-    @Test
-    public void basicTest() {
-        for (int rowSize : new int[] {1, 2, 3, 4})
-            for (int colSize : new int[] {1, 2, 3, 4})
-                for (int row = 0; row < rowSize; row++)
-                    for (int col = 0; col < colSize; col++)
-                        for (int rowStride = 0; rowStride < rowSize; rowStride++)
-                            for (int colStride = 0; colStride < colSize; colStride++)
-                                if (rowStride != 0 || colStride != 0)
-                                    assertMatrixVectorView(newMatrix(rowSize, colSize), row, col, rowStride, colStride);
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void parentNullTest() {
-        //noinspection ConstantConditions
-        assertEquals(IMPOSSIBLE_SIZE,
-            new MatrixVectorView(null, 1, 1, 1, 1).size());
-    }
-
-    /** */
-    @Test(expected = IndexException.class)
-    public void rowNegativeTest() {
-        //noinspection ConstantConditions
-        assertEquals(IMPOSSIBLE_SIZE,
-            new MatrixVectorView(parent, -1, 1, 1, 1).size());
-    }
-
-    /** */
-    @Test(expected = IndexException.class)
-    public void colNegativeTest() {
-        //noinspection ConstantConditions
-        assertEquals(IMPOSSIBLE_SIZE,
-            new MatrixVectorView(parent, 1, -1, 1, 1).size());
-    }
-
-    /** */
-    @Test(expected = IndexException.class)
-    public void rowTooLargeTest() {
-        //noinspection ConstantConditions
-        assertEquals(IMPOSSIBLE_SIZE,
-            new MatrixVectorView(parent, parent.rowSize() + 1, 1, 1, 1).size());
-    }
-
-    /** */
-    @Test(expected = IndexException.class)
-    public void colTooLargeTest() {
-        //noinspection ConstantConditions
-        assertEquals(IMPOSSIBLE_SIZE,
-            new MatrixVectorView(parent, 1, parent.columnSize() + 1, 1, 1).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void rowStrideNegativeTest() {
-        //noinspection ConstantConditions
-        assertEquals(IMPOSSIBLE_SIZE,
-            new MatrixVectorView(parent, 1, 1, -1, 1).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void colStrideNegativeTest() {
-        //noinspection ConstantConditions
-        assertEquals(IMPOSSIBLE_SIZE,
-            new MatrixVectorView(parent, 1, 1, 1, -1).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void rowStrideTooLargeTest() {
-        //noinspection ConstantConditions
-        assertEquals(IMPOSSIBLE_SIZE,
-            new MatrixVectorView(parent, 1, 1, parent.rowSize() + 1, 1).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void colStrideTooLargeTest() {
-        //noinspection ConstantConditions
-        assertEquals(IMPOSSIBLE_SIZE,
-            new MatrixVectorView(parent, 1, 1, 1, parent.columnSize() + 1).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void bothStridesZeroTest() {
-        //noinspection ConstantConditions
-        assertEquals(IMPOSSIBLE_SIZE,
-            new MatrixVectorView(parent, 1, 1, 0, 0).size());
-    }
-
-    /** */
-    private void assertMatrixVectorView(Matrix parent, int row, int col, int rowStride, int colStride) {
-        MatrixVectorView view = new MatrixVectorView(parent, row, col, rowStride, colStride);
-
-        String desc = "parent [" + parent.rowSize() + "x" + parent.columnSize() + "], view ["
-            + row + "x" + col + "], strides [" + rowStride + ", " + colStride + "]";
-
-        final int size = view.size();
-
-        final int sizeByRows = rowStride == 0 ? IMPOSSIBLE_SIZE : (parent.rowSize() - row) / rowStride;
-        final int sizeByCols = colStride == 0 ? IMPOSSIBLE_SIZE : (parent.columnSize() - col) / colStride;
-
-        assertTrue("Size " + size + " differs from expected for " + desc,
-            size == sizeByRows || size == sizeByCols);
-
-        for (int idx = 0; idx < size; idx++) {
-            final int rowIdx = row + idx * rowStride;
-            final int colIdx = col + idx * colStride;
-
-            assertEquals(UNEXPECTED_VALUE + " at view index " + idx + desc,
-                parent.get(rowIdx, colIdx), view.get(idx), 0d);
-        }
-    }
-
-    /** */
-    private Matrix newMatrix(int rowSize, int colSize) {
-        Matrix res = new DenseLocalOnHeapMatrix(rowSize, colSize);
-
-        for (int i = 0; i < res.rowSize(); i++)
-            for (int j = 0; j < res.columnSize(); j++)
-                res.set(i, j, i * res.rowSize() + j);
-
-        return res;
-    }
-
-    /** */
-    private void assertView(int row, int col, Vector view, int viewIdx) {
-        assertValue(row, col, view, viewIdx);
-
-        parent.set(row, col, parent.get(row, col) + 1);
-
-        assertValue(row, col, view, viewIdx);
-
-        view.set(viewIdx, view.get(viewIdx) + 2);
-
-        assertValue(row, col, view, viewIdx);
-    }
-
-    /** */
-    private void assertValue(int row, int col, Vector view, int viewIdx) {
-        assertEquals(UNEXPECTED_VALUE + " at row " + row + " col " + col, parent.get(row, col), view.get(viewIdx), 0d);
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/PivotedVectorViewConstructorTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/PivotedVectorViewConstructorTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/PivotedVectorViewConstructorTest.java
deleted file mode 100644
index 91650dc..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/PivotedVectorViewConstructorTest.java
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import org.apache.ignite.math.Vector;
-import org.apache.ignite.math.exceptions.CardinalityException;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
-
-/** */
-public class PivotedVectorViewConstructorTest {
-    /** */
-    private static final int IMPOSSIBLE_SIZE = -1;
-
-    /** */
-    private static final SampleParams sampleParams = new SampleParams();
-
-    /** */
-    @Test(expected = NullPointerException.class)
-    public void nullVecParamTest() {
-        assertEquals("Expect exception due to null vector param.", IMPOSSIBLE_SIZE,
-            new PivotedVectorView(null, sampleParams.pivot).size());
-    }
-
-    /** */
-    @Test(expected = NullPointerException.class)
-    public void nullVecParam2Test() {
-        assertEquals("Expect exception due to null vector param, with unpivot.", IMPOSSIBLE_SIZE,
-            new PivotedVectorView(null, sampleParams.pivot, sampleParams.unpivot).size());
-    }
-
-    /** */
-    @Test(expected = NullPointerException.class)
-    public void nullPivotParamTest() {
-        assertEquals("Expect exception due to null pivot param.", IMPOSSIBLE_SIZE,
-            new PivotedVectorView(sampleParams.vec, null).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void nullPivotParam2Test() {
-        assertEquals("Expect exception due to null pivot param, with unpivot.", IMPOSSIBLE_SIZE,
-            new PivotedVectorView(sampleParams.vec, null, sampleParams.unpivot).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void nullUnpivotParam2Test() {
-        assertEquals("Expect exception due to null unpivot param.", IMPOSSIBLE_SIZE,
-            new PivotedVectorView(sampleParams.vec, sampleParams.pivot, null).size());
-    }
-
-    /** */
-    @Test(expected = CardinalityException.class)
-    public void emptyPivotTest() {
-        assertEquals("Expect exception due to empty pivot param.", IMPOSSIBLE_SIZE,
-            new PivotedVectorView(sampleParams.vec, new int[] {}).size());
-    }
-
-    /** */
-    @Test(expected = CardinalityException.class)
-    public void emptyPivot2Test() {
-        assertEquals("Expect exception due to empty pivot param, with unpivot.", IMPOSSIBLE_SIZE,
-            new PivotedVectorView(sampleParams.vec, new int[] {}, sampleParams.unpivot).size());
-    }
-
-    /** */
-    @Test(expected = CardinalityException.class)
-    public void wrongPivotTest() {
-        assertEquals("Expect exception due to wrong pivot param.", IMPOSSIBLE_SIZE,
-            new PivotedVectorView(sampleParams.vec, new int[] {0}).size());
-    }
-
-    /** */
-    @Test(expected = CardinalityException.class)
-    public void wrongPivot2Test() {
-        assertEquals("Expect exception due to wrong pivot param, with unpivot.", IMPOSSIBLE_SIZE,
-            new PivotedVectorView(sampleParams.vec, new int[] {0}, sampleParams.unpivot).size());
-    }
-
-    /** */
-    @Test(expected = CardinalityException.class)
-    public void emptyUnpivotTest() {
-        assertEquals("Expect exception due to empty unpivot param.", IMPOSSIBLE_SIZE,
-            new PivotedVectorView(sampleParams.vec, sampleParams.pivot, new int[] {}).size());
-    }
-
-    /** */
-    @Test(expected = CardinalityException.class)
-    public void wrongUnpivotTest() {
-        assertEquals("Expect exception due to wrong unpivot param, with unpivot.", IMPOSSIBLE_SIZE,
-            new PivotedVectorView(sampleParams.vec, sampleParams.pivot, new int[] {0}).size());
-    }
-
-    /** */
-    @Test
-    public void basicPivotTest() {
-        final PivotedVectorView pvv = new PivotedVectorView(sampleParams.vec, sampleParams.pivot);
-
-        final int size = sampleParams.vec.size();
-
-        assertEquals("View size differs from expected.", size, pvv.size());
-
-        assertSame("Base vector differs from expected.", sampleParams.vec, pvv.getBaseVector());
-
-        for (int idx = 0; idx < size; idx++) {
-            assertEquals("Sample pivot and unpivot differ from expected",
-                idx, sampleParams.unpivot[sampleParams.pivot[idx]]);
-
-            assertEquals("Pivot differs from expected at index " + idx,
-                sampleParams.pivot[idx], pvv.pivot(idx));
-
-            assertEquals("Default unpivot differs from expected at index " + idx,
-                sampleParams.unpivot[idx], pvv.unpivot(idx));
-
-            final Metric metric = new Metric(sampleParams.vec.get(idx), pvv.get(pvv.pivot(idx)));
-
-            assertTrue("Not close enough at index " + idx + ", " + metric, metric.closeEnough());
-        }
-
-        for (int idx = 0; idx < size; idx++) {
-            sampleParams.vec.set(idx, sampleParams.vec.get(idx) + idx + 1);
-
-            final Metric metric = new Metric(sampleParams.vec.get(idx), pvv.get(pvv.pivot(idx)));
-
-            assertTrue("Modified value not close enough at index " + idx + ", " + metric, metric.closeEnough());
-        }
-    }
-
-    /** */
-    @Test
-    public void basicUnpivotTest() {
-        final PivotedVectorView pvv = new PivotedVectorView(sampleParams.vec, sampleParams.pivot, sampleParams.unpivot);
-
-        final int size = sampleParams.vec.size();
-
-        assertEquals("View size differs from expected.", size, pvv.size());
-
-        for (int idx = 0; idx < size; idx++) {
-            assertEquals("Unpivot differs from expected at index " + idx,
-                sampleParams.unpivot[idx], pvv.unpivot(idx));
-
-            final Metric metric = new Metric(sampleParams.vec.get(idx), pvv.get(pvv.unpivot(idx)));
-
-            assertTrue("Not close enough at index " + idx + ", " + metric, metric.closeEnough());
-        }
-    }
-
-    /** */
-    private static class SampleParams {
-        /** */
-        final double[] data = new double[] {0, 1};
-        /** */
-        final Vector vec = new DenseLocalOnHeapVector(data);
-        /** */
-        final int[] pivot = new int[] {1, 0};
-        /** */
-        final int[] unpivot = new int[] {1, 0};
-    }
-
-    /** */
-    private static class Metric { // todo consider if softer tolerance (like say 0.1 or 0.01) would make sense here
-        /** */
-        private final double exp;
-
-        /** */
-        private final double obtained;
-
-        /** **/
-        Metric(double exp, double obtained) {
-            this.exp = exp;
-            this.obtained = obtained;
-        }
-
-        /** */
-        boolean closeEnough() {
-            return new Double(exp).equals(obtained) || closeEnoughToZero();
-        }
-
-        /** {@inheritDoc} */
-        @Override public String toString() {
-            return "Metric{" + "expected=" + exp +
-                ", obtained=" + obtained +
-                '}';
-        }
-
-        /** */
-        private boolean closeEnoughToZero() {
-            return (new Double(exp).equals(0.0) && new Double(obtained).equals(-0.0))
-                || (new Double(exp).equals(-0.0) && new Double(obtained).equals(0.0));
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/RandomVectorConstructorTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/RandomVectorConstructorTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/RandomVectorConstructorTest.java
deleted file mode 100644
index 6d4e4f1..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/RandomVectorConstructorTest.java
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import java.util.HashMap;
-import java.util.Map;
-import org.apache.ignite.math.Vector;
-import org.apache.ignite.math.exceptions.UnsupportedOperationException;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-/** */
-public class RandomVectorConstructorTest {
-    /** */
-    private static final int IMPOSSIBLE_SIZE = -1;
-
-    /** */
-    @Test(expected = org.apache.ignite.math.exceptions.UnsupportedOperationException.class)
-    public void mapInvalidArgsTest() {
-        assertEquals("Expect exception due to invalid args.", IMPOSSIBLE_SIZE,
-            new RandomVector(new HashMap<String, Object>() {{
-                put("invalid", 99);
-            }}).size());
-    }
-
-    /** */
-    @Test(expected = UnsupportedOperationException.class)
-    public void mapMissingArgsTest() {
-        final Map<String, Object> test = new HashMap<String, Object>() {{
-            put("paramMissing", "whatever");
-        }};
-
-        assertEquals("Expect exception due to missing args.",
-            -1, new RandomVector(test).size());
-    }
-
-    /** */
-    @Test(expected = ClassCastException.class)
-    public void mapInvalidParamTypeTest() {
-        final Map<String, Object> test = new HashMap<String, Object>() {{
-            put("size", "whatever");
-            put("fastHash", true);
-        }};
-
-        assertEquals("Expect exception due to invalid param type.", IMPOSSIBLE_SIZE,
-            new RandomVector(test).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void mapNullTest() {
-        //noinspection ConstantConditions
-        assertEquals("Null map args.", IMPOSSIBLE_SIZE,
-            new RandomVector(null).size());
-    }
-
-    /** */
-    @Test
-    public void mapTest() {
-        assertEquals("Size from args.", 99,
-            new RandomVector(new HashMap<String, Object>() {{
-                put("size", 99);
-            }}).size());
-
-        final int test = 99;
-
-        assertEquals("Size from args with fastHash false.", test,
-            new RandomVector(new HashMap<String, Object>() {{
-                put("size", test);
-                put("fastHash", false);
-            }}).size());
-
-        assertEquals("Size from args with fastHash true.", test,
-            new RandomVector(new HashMap<String, Object>() {{
-                put("size", test);
-                put("fastHash", true);
-            }}).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void negativeSizeTest() {
-        assertEquals("Negative size.", IMPOSSIBLE_SIZE,
-            new RandomVector(-1).size());
-    }
-
-    /** */
-    @Test
-    public void basicTest() {
-        final int basicSize = 3;
-
-        Vector v1 = new RandomVector(basicSize);
-
-        //noinspection EqualsWithItself
-        assertTrue("Expect vector to be equal to self", v1.equals(v1));
-
-        //noinspection ObjectEqualsNull
-        assertFalse("Expect vector to be not equal to null", v1.equals(null));
-
-        assertEquals("Size differs from expected", basicSize, v1.size());
-
-        verifyValues(v1);
-
-        Vector v2 = new RandomVector(basicSize, true);
-
-        assertEquals("Size differs from expected", basicSize, v2.size());
-
-        verifyValues(v2);
-
-        Vector v3 = new RandomVector(basicSize, false);
-
-        assertEquals("Size differs from expected", basicSize, v3.size());
-
-        verifyValues(v3);
-    }
-
-    /** */
-    private void verifyValues(Vector v) {
-        for (Vector.Element e : v.all()) {
-            double val = e.get();
-
-            assertTrue("Value too small: " + val + " at index " + e.index(), -1d <= val);
-
-            assertTrue("Value too large: " + val + " at index " + e.index(), val <= 1d);
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SingleElementVectorConstructorTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SingleElementVectorConstructorTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SingleElementVectorConstructorTest.java
deleted file mode 100644
index 69e22e0..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SingleElementVectorConstructorTest.java
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import java.util.HashMap;
-import java.util.Map;
-import org.apache.ignite.math.Vector;
-import org.apache.ignite.math.exceptions.UnsupportedOperationException;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-
-/** */
-public class SingleElementVectorConstructorTest {
-    /** */
-    private static final int IMPOSSIBLE_SIZE = -1;
-
-    /** */
-    @Test(expected = UnsupportedOperationException.class)
-    public void mapInvalidArgsTest() {
-        assertEquals("Expect exception due to invalid args.", IMPOSSIBLE_SIZE,
-            new SingleElementVector(new HashMap<String, Object>() {{
-                put("invalid", 99);
-            }}).size());
-    }
-
-    /** */
-    @Test(expected = UnsupportedOperationException.class)
-    public void mapMissingArgsTest() {
-        final Map<String, Object> test = new HashMap<String, Object>() {{
-            put("size", 1);
-
-            put("paramMissing", "whatever");
-        }};
-
-        assertEquals("Expect exception due to missing args.",
-            -1, new SingleElementVector(test).size());
-    }
-
-    /** */
-    @Test(expected = ClassCastException.class)
-    public void mapInvalidParamTypeTest() {
-        final Map<String, Object> test = new HashMap<String, Object>() {{
-            put("size", "whatever");
-
-            put("index", 0);
-            put("value", 1.0);
-        }};
-
-        assertEquals("Expect exception due to invalid param type.", IMPOSSIBLE_SIZE,
-            new SingleElementVector(test).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void mapNullTest() {
-        //noinspection ConstantConditions
-        assertEquals("Null map args.", IMPOSSIBLE_SIZE,
-            new SingleElementVector(null).size());
-    }
-
-    /** */
-    @Test
-    public void mapTest() {
-        assertEquals("Size from array in args.", 99,
-            new SingleElementVector(new HashMap<String, Object>() {{
-                put("size", 99);
-                put("index", 0);
-                put("value", 1.0);
-            }}).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void negativeSizeTest() {
-        assertEquals("Negative size.", IMPOSSIBLE_SIZE,
-            new SingleElementVector(-1, 0, 1.0).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void zeroSizeTest() {
-        assertEquals("Zero size.", IMPOSSIBLE_SIZE,
-            new SingleElementVector(0, 0, 1.0).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void wrongIndexTest() {
-        //noinspection ConstantConditions
-        assertEquals("Wrong index.", IMPOSSIBLE_SIZE,
-            new SingleElementVector(1, 2, 1.0).size());
-    }
-
-    /** */
-    @Test
-    public void basicTest() {
-        final int[] sizes = new int[] {1, 4, 8};
-
-        for (int size : sizes)
-            for (int idx = 0; idx < size; idx++)
-                basicTest(size, idx);
-    }
-
-    /** */
-    private void basicTest(int size, int idx) {
-        final Double expVal = (double)(size - idx);
-
-        Vector v = new SingleElementVector(size, idx, expVal);
-
-        assertTrue("Expect value " + expVal + " at index " + idx + " for size " + size,
-            expVal.equals(v.get(idx)));
-
-        final double delta = 1.0;
-
-        v.set(idx, expVal - delta);
-
-        assertTrue("Expect value " + expVal + " at index " + idx + " for size " + size,
-            expVal.equals(v.get(idx) + delta));
-
-        final Double zero = 0.0;
-
-        for (int i = 0; i < size; i++) {
-            if (i == idx)
-                continue;
-
-            assertTrue("Expect zero at index " + i + " for size " + size,
-                zero.equals(v.get(i)));
-
-            boolean eCaught = false;
-
-            try {
-                v.set(i, 1.0);
-            }
-            catch (UnsupportedOperationException uoe) {
-                eCaught = true;
-            }
-
-            assertTrue("Expect " + java.lang.UnsupportedOperationException.class.getSimpleName()
-                + " at index " + i + " for size " + size, eCaught);
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SingleElementVectorViewConstructorTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SingleElementVectorViewConstructorTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SingleElementVectorViewConstructorTest.java
deleted file mode 100644
index 957f3b7..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SingleElementVectorViewConstructorTest.java
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import org.apache.ignite.math.Vector;
-import org.apache.ignite.math.exceptions.UnsupportedOperationException;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-
-/** */
-public class SingleElementVectorViewConstructorTest {
-    /** */
-    private static final int IMPOSSIBLE_SIZE = -1;
-
-    /** */
-    private static final SampleHelper helper = new SampleHelper();
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void nullVecParamTest() {
-        assertEquals("Expect exception due to null vector param.", IMPOSSIBLE_SIZE,
-            new SingleElementVectorView(null, helper.idx).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void negativeIdxParamTest() {
-        assertEquals("Expect exception due to negative index param.", IMPOSSIBLE_SIZE,
-            new SingleElementVectorView(helper.vec, -1).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void tooLargeIdxParamTest() {
-        assertEquals("Expect exception due to too large index param.", IMPOSSIBLE_SIZE,
-            new SingleElementVectorView(helper.vec, helper.vec.size()).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void emptyVecParamTest() {
-        assertEquals("Expect exception due to empty vector param.", IMPOSSIBLE_SIZE,
-            new SingleElementVectorView(helper.vecEmpty, 0).size());
-    }
-
-    /** */
-    @Test
-    public void basicTest() {
-        final int[] sizes = new int[] {1, 4, 8};
-
-        for (int size : sizes)
-            for (int idx = 0; idx < size; idx++)
-                basicTest(size, idx);
-    }
-
-    /** */
-    private void basicTest(int size, int idx) {
-        final Double expVal = (double)(size - idx);
-
-        Vector orig = helper.newSample(size, idx, expVal);
-
-        SingleElementVectorView svv = new SingleElementVectorView(orig, idx);
-
-        assertEquals("Size differs from expected", size, svv.size());
-
-        assertTrue("Expect value " + expVal + " at index " + idx + " for size " + size,
-            expVal.equals(svv.get(idx)));
-
-        final double delta = 1.0;
-
-        svv.set(idx, expVal - delta);
-
-        assertTrue("Expect value " + expVal + " at index " + idx + " for size " + size,
-            expVal.equals(orig.get(idx) + delta));
-
-        final Double zero = 0.0;
-
-        for (int i = 0; i < size; i++) {
-            if (i == idx)
-                continue;
-
-            assertTrue("Expect zero at index " + i + " for size " + size,
-                zero.equals(svv.get(i)));
-
-            boolean eCaught = false;
-
-            try {
-                svv.set(i, 1.0);
-            }
-            catch (UnsupportedOperationException uoe) {
-                eCaught = true;
-            }
-
-            assertTrue("Expect " + UnsupportedOperationException.class.getSimpleName()
-                + " at index " + i + " for size " + size, eCaught);
-        }
-    }
-
-    /** */
-    private static class SampleHelper {
-        /** */
-        final double[] data = new double[] {0, 1};
-        /** */
-        final Vector vec = new DenseLocalOnHeapVector(data);
-        /** */
-        final Vector vecEmpty = new DenseLocalOnHeapVector(new double[] {});
-        /** */
-        final int idx = 0;
-
-        /** */
-        Vector newSample(int size, int idx, double expVal) {
-            final Vector v = new DenseLocalOnHeapVector(size);
-
-            for (int i = 0; i < size; i++)
-                v.set(i, i == idx ? expVal : i);
-
-            return v;
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SparseLocalVectorConstructorTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SparseLocalVectorConstructorTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SparseLocalVectorConstructorTest.java
deleted file mode 100644
index 2be4a10..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/SparseLocalVectorConstructorTest.java
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import org.apache.ignite.math.StorageConstants;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/** */
-public class SparseLocalVectorConstructorTest {
-    /** */
-    private static final int IMPOSSIBLE_SIZE = -1;
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void negativeSizeTest() {
-        assertEquals("Negative size.", IMPOSSIBLE_SIZE,
-            new SparseLocalVector(-1, 1).size());
-    }
-
-    /** */
-    @Test(expected = AssertionError.class)
-    public void zeroSizeTest() {
-        assertEquals("0 size.", IMPOSSIBLE_SIZE,
-            new SparseLocalVector(0, 1).size());
-    }
-
-    /** */
-    @Test
-    public void primitiveTest() {
-        assertEquals("1 size, random access.", 1,
-            new SparseLocalVector(1, StorageConstants.RANDOM_ACCESS_MODE).size());
-
-        assertEquals("1 size, sequential access.", 1,
-            new SparseLocalVector(1, StorageConstants.SEQUENTIAL_ACCESS_MODE).size());
-
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/VectorAttributesTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/VectorAttributesTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/VectorAttributesTest.java
deleted file mode 100644
index 992018a..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/VectorAttributesTest.java
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import java.util.Arrays;
-import java.util.List;
-import java.util.function.Function;
-import org.apache.ignite.math.Vector;
-import org.apache.ignite.math.impls.matrix.DenseLocalOffHeapMatrix;
-import org.apache.ignite.math.impls.matrix.DenseLocalOnHeapMatrix;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/** */
-public class VectorAttributesTest {
-    /** */
-    private final List<AttrCfg> attrCfgs = Arrays.asList(
-        new AttrCfg("isDense", Vector::isDense,
-            DenseLocalOnHeapVector.class, DenseLocalOffHeapVector.class, RandomVector.class, ConstantVector.class,
-            SingleElementVector.class),
-        new AttrCfg("isArrayBased", Vector::isArrayBased,
-            DenseLocalOnHeapVector.class),
-        new AttrCfg("isSequentialAccess", Vector::isSequentialAccess,
-            DenseLocalOnHeapVector.class, DenseLocalOffHeapVector.class, SparseLocalVectorSequentialAccess.class,
-            RandomVector.class, ConstantVector.class, SingleElementVector.class),
-        new AttrCfg("guidNotNull", v -> v.guid() == null), // IMPL NOTE this is somewhat artificial
-        new AttrCfg("isRandomAccess", Vector::isRandomAccess,
-            DenseLocalOnHeapVector.class, DenseLocalOffHeapVector.class, RandomVector.class, ConstantVector.class,
-            SingleElementVector.class, SparseLocalVectorSequentialAccess.class, SparseLocalVectorRandomAccess.class),
-        new AttrCfg("isDistributed", Vector::isDistributed));
-
-    /** */
-    private final List<Specification> specFixture = Arrays.asList(
-        new Specification(new DenseLocalOnHeapVector(1)),
-        new Specification(new DenseLocalOffHeapVector(1)),
-        new Specification(new DelegatingVector(new DenseLocalOnHeapVector(1)),
-            DenseLocalOnHeapVector.class, "isDense", "isArrayBased", "isSequentialAccess",
-            "isRandomAccess", "isDistributed"),
-        new Specification(new DelegatingVector(new DenseLocalOffHeapVector(1)),
-            DenseLocalOffHeapVector.class, "isDense", "isArrayBased", "isSequentialAccess",
-            "isRandomAccess", "isDistributed"),
-        new Specification(new SparseLocalVectorSequentialAccess(1)),
-        new Specification(new SparseLocalVectorRandomAccess(1)),
-        new Specification(new RandomVector(1)),
-        new Specification(new ConstantVector(1, 1.0)),
-        new Specification(new FunctionVector(1, idx -> (double)idx)),
-        new Specification(new SingleElementVector(1, 0, 1.0)),
-        new Specification(new PivotedVectorView(new DenseLocalOnHeapVector(1), new int[] {0}),
-            DenseLocalOnHeapVector.class, "isDense", "isArrayBased", "isSequentialAccess",
-            "isRandomAccess", "isDistributed"),
-        new Specification(new PivotedVectorView(new DenseLocalOffHeapVector(1), new int[] {0}),
-            DenseLocalOffHeapVector.class, "isDense", "isArrayBased", "isSequentialAccess",
-            "isRandomAccess", "isDistributed"),
-        new Specification(new SingleElementVectorView(new DenseLocalOnHeapVector(1), 0),
-            DenseLocalOnHeapVector.class, "isDense", "isSequentialAccess",
-            "isRandomAccess", "isDistributed"),
-        new Specification(new SingleElementVectorView(new DenseLocalOffHeapVector(1), 0),
-            DenseLocalOffHeapVector.class, "isDense", "isSequentialAccess",
-            "isRandomAccess", "isDistributed"),
-        new Specification(new MatrixVectorView(new DenseLocalOnHeapMatrix(1, 1), 0, 0, 1, 1),
-            DenseLocalOnHeapVector.class, "isDense",
-            "isRandomAccess", "isDistributed"), // todo find out why "isSequentialAccess" fails here
-        new Specification(new MatrixVectorView(new DenseLocalOffHeapMatrix(1, 1), 0, 0, 1, 1),
-            DenseLocalOffHeapVector.class, "isDense",
-            "isRandomAccess", "isDistributed"));
-
-    /** */
-    @Test
-    public void isDenseTest() {
-        assertAttribute("isDense");
-    }
-
-    /** */
-    @Test
-    public void isArrayBasedTest() {
-        assertAttribute("isArrayBased");
-    }
-
-    /** */
-    @Test
-    public void isSequentialAccessTest() {
-        assertAttribute("isSequentialAccess");
-    }
-
-    /** */
-    @Test
-    public void guidTest() {
-        assertAttribute("guidNotNull");
-    }
-
-    /** */
-    @Test
-    public void isRandomAccessTest() {
-        assertAttribute("isRandomAccess");
-    }
-
-    /** */
-    @Test
-    public void isDistributedTest() {
-        assertAttribute("isDistributed");
-    }
-
-    /** */
-    private void assertAttribute(String name) {
-        final AttrCfg attr = attrCfg(name);
-
-        for (Specification spec : specFixture)
-            spec.verify(attr);
-    }
-
-    /** */
-    private AttrCfg attrCfg(String name) {
-        for (AttrCfg attr : attrCfgs)
-            if (attr.name.equals(name))
-                return attr;
-
-        throw new IllegalArgumentException("Undefined attribute " + name);
-    }
-
-    /** See http://en.wikipedia.org/wiki/Specification_pattern */
-    private static class Specification {
-        /** */
-        private final Vector v;
-        /** */
-        private final Class<? extends Vector> underlyingType;
-        /** */
-        private final List<String> attrsFromUnderlying;
-        /** */
-        final String desc;
-
-        /** */
-        Specification(Vector v, Class<? extends Vector> underlyingType, String... attrsFromUnderlying) {
-            this.v = v;
-            this.underlyingType = underlyingType;
-            this.attrsFromUnderlying = Arrays.asList(attrsFromUnderlying);
-            final Class<? extends Vector> clazz = v.getClass();
-            desc = clazz.getSimpleName() + (clazz.equals(underlyingType)
-                ? "" : " (underlying type " + underlyingType.getSimpleName() + ")");
-        }
-
-        /** */
-        Specification(Vector v) {
-            this(v, v.getClass());
-        }
-
-        /** */
-        void verify(AttrCfg attr) {
-            final boolean obtained = attr.obtain.apply(v);
-
-            final Class<? extends Vector> typeToCheck
-                = attrsFromUnderlying.contains(attr.name) ? underlyingType : v.getClass();
-
-            final boolean exp = attr.trueInTypes.contains(typeToCheck);
-
-            assertEquals("Unexpected " + attr.name + " value for " + desc, exp, obtained);
-        }
-    }
-
-    /** */
-    private static class AttrCfg {
-        /** */
-        final String name;
-        /** */
-        final Function<Vector, Boolean> obtain;
-        /** */
-        final List<Class> trueInTypes;
-
-        /** */
-        AttrCfg(String name, Function<Vector, Boolean> obtain, Class... trueInTypes) {
-            this.name = name;
-            this.obtain = obtain;
-            this.trueInTypes = Arrays.asList(trueInTypes);
-        }
-    }
-
-    /** */
-    private static class SparseLocalVectorSequentialAccess extends SparseLocalVector {
-        /** */
-        public SparseLocalVectorSequentialAccess() {
-            // No-op.
-        }
-
-        /** */
-        SparseLocalVectorSequentialAccess(int size) {
-            super(size, SEQUENTIAL_ACCESS_MODE);
-        }
-    }
-
-    /** */
-    private static class SparseLocalVectorRandomAccess extends SparseLocalVector {
-        /** */
-        public SparseLocalVectorRandomAccess() {
-            // No-op.
-        }
-
-        /** */
-        SparseLocalVectorRandomAccess(int size) {
-            super(size, RANDOM_ACCESS_MODE);
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/732dfea9/modules/math/src/test/java/org/apache/ignite/math/impls/vector/VectorFoldMapTest.java
----------------------------------------------------------------------
diff --git a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/VectorFoldMapTest.java b/modules/math/src/test/java/org/apache/ignite/math/impls/vector/VectorFoldMapTest.java
deleted file mode 100644
index 67eb8ba..0000000
--- a/modules/math/src/test/java/org/apache/ignite/math/impls/vector/VectorFoldMapTest.java
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.math.impls.vector;
-
-import java.util.Arrays;
-import java.util.function.BiConsumer;
-import java.util.function.BiFunction;
-import java.util.function.Function;
-import org.apache.ignite.math.Vector;
-import org.apache.ignite.math.functions.Functions;
-import org.junit.Test;
-
-import static java.util.function.DoubleUnaryOperator.identity;
-import static org.junit.Assert.assertTrue;
-
-/** See also: {@link AbstractVectorTest} and {@link VectorToMatrixTest}. */
-public class VectorFoldMapTest {
-    /** */
-    @Test
-    public void mapVectorTest() {
-        operationVectorTest((operand1, operand2) -> operand1 + operand2, (Vector v1, Vector v2) -> v1.map(v2, Functions.PLUS));
-    }
-
-    /** */
-    @Test
-    public void mapDoubleFunctionTest() {
-        consumeSampleVectors((v, desc) -> operatorTest(v, desc,
-            (vec) -> vec.map(Functions.INV), (val) -> 1.0 / val));
-    }
-
-    /** */
-    @Test
-    public void mapBiFunctionTest() {
-        consumeSampleVectors((v, desc) -> operatorTest(v, desc,
-            (vec) -> vec.map(Functions.PLUS, 1.0), (val) -> 1.0 + val));
-    }
-
-    /** */
-    @Test
-    public void foldMapTest() {
-        toDoubleTest(
-            ref -> Arrays.stream(ref).map(identity()).sum(),
-            (v) -> v.foldMap(Functions.PLUS, Functions.IDENTITY, 0.0));
-    }
-
-    /** */
-    @Test
-    public void foldMapVectorTest() {
-        toDoubleTest(
-            ref -> 2.0 * Arrays.stream(ref).sum(),
-            (v) -> v.foldMap(v, Functions.PLUS, Functions.PLUS, 0.0));
-
-    }
-
-    /** */
-    private void operatorTest(Vector v, String desc, Function<Vector, Vector> op, Function<Double, Double> refOp) {
-        final int size = v.size();
-        final double[] ref = new double[size];
-
-        VectorImplementationsTest.ElementsChecker checker = new VectorImplementationsTest.ElementsChecker(v, ref, desc);
-
-        Vector actual = op.apply(v);
-
-        for (int idx = 0; idx < size; idx++)
-            ref[idx] = refOp.apply(ref[idx]);
-
-        checker.assertCloseEnough(actual, ref);
-    }
-
-    /** */
-    private void toDoubleTest(Function<double[], Double> calcRef, Function<Vector, Double> calcVec) {
-        consumeSampleVectors((v, desc) -> {
-            final int size = v.size();
-            final double[] ref = new double[size];
-
-            new VectorImplementationsTest.ElementsChecker(v, ref, desc); // IMPL NOTE this initialises vector and reference array
-
-            final VectorImplementationsTest.Metric metric = new VectorImplementationsTest.Metric(calcRef.apply(ref), calcVec.apply(v));
-
-            assertTrue("Not close enough at " + desc
-                + ", " + metric, metric.closeEnough());
-        });
-    }
-
-    /** */
-    private void operationVectorTest(BiFunction<Double, Double, Double> operation,
-        BiFunction<Vector, Vector, Vector> vecOperation) {
-        consumeSampleVectors((v, desc) -> {
-            // TODO find out if more elaborate testing scenario is needed or it's okay as is.
-            final int size = v.size();
-            final double[] ref = new double[size];
-
-            final VectorImplementationsTest.ElementsChecker checker = new VectorImplementationsTest.ElementsChecker(v, ref, desc);
-            final Vector operand = v.copy();
-
-            for (int idx = 0; idx < size; idx++)
-                ref[idx] = operation.apply(ref[idx], ref[idx]);
-
-            checker.assertCloseEnough(vecOperation.apply(v, operand), ref);
-        });
-    }
-
-    /** */
-    private void consumeSampleVectors(BiConsumer<Vector, String> consumer) {
-        new VectorImplementationsFixtures().consumeSampleVectors(null, consumer);
-    }
-}