public virtual void TestAddSparseToDense(double[] dense1, int sparseIndex, double v)
{
ConcatVector v1 = new ConcatVector(1);
v1.SetDenseComponent(0, dense1);
ConcatVector v2 = new ConcatVector(1);
v2.SetSparseComponent(0, (int)sparseIndex, v);
double expected = v1.DotProduct(v2) + 0.7f * (v2.DotProduct(v2));
v1.AddVectorInPlace(v2, 0.7f);
NUnit.Framework.Assert.AreEqual(v1.DotProduct(v2), 5.0e-4, expected);
}
public virtual void TestAddSparseToSparse(int sparseIndex1, double val1, int sparseIndex2, double val2)
{
ConcatVector v1 = new ConcatVector(1);
v1.SetSparseComponent(0, (int)sparseIndex1, val1);
ConcatVector v2 = new ConcatVector(1);
v2.SetSparseComponent(0, (int)sparseIndex2, val2);
double expected = v1.DotProduct(v2) + 0.7f * (v2.DotProduct(v2));
v1.AddVectorInPlace(v2, 0.7f);
NUnit.Framework.Assert.AreEqual(v1.DotProduct(v2), 5.0e-3, expected);
}
public virtual void TestCopyOnWrite(ConcatVectorTest.DenseTestVector d1)
{
ConcatVector v2 = d1.vector.DeepClone();
v2.AddVectorInPlace(v2, 1.0);
for (int i = 0; i < d1.values.Length; i++)
{
for (int j = 0; j < d1.values[i].Length; j++)
{
NUnit.Framework.Assert.AreEqual(d1.vector.GetValueAt(i, j), 5.0e-4, d1.values[i][j]);
NUnit.Framework.Assert.AreEqual(v2.GetValueAt(i, j), 5.0e-4, d1.values[i][j] * 2);
}
}
}
public virtual void TestValueEquals(ConcatVectorTest.DenseTestVector d1)
{
ConcatVector clone = d1.vector.DeepClone();
NUnit.Framework.Assert.IsTrue(clone.ValueEquals(d1.vector, 1.0e-5));
NUnit.Framework.Assert.IsTrue(d1.vector.ValueEquals(clone, 1.0e-5));
NUnit.Framework.Assert.IsTrue(d1.vector.ValueEquals(d1.vector, 1.0e-5));
NUnit.Framework.Assert.IsTrue(clone.ValueEquals(clone, 1.0e-5));
Random r = new Random();
int size = clone.GetNumberOfComponents();
if (size > 0)
{
clone.AddVectorInPlace(d1.vector, 1.0);
// If the clone is a 0 vector
bool isZero = true;
foreach (double[] arr in d1.values)
{
foreach (double d in arr)
{
if (d != 0)
{
isZero = false;
}
}
}
if (isZero)
{
NUnit.Framework.Assert.IsTrue(clone.ValueEquals(d1.vector, 1.0e-5));
NUnit.Framework.Assert.IsTrue(d1.vector.ValueEquals(clone, 1.0e-5));
}
else
{
NUnit.Framework.Assert.IsFalse(clone.ValueEquals(d1.vector, 1.0e-5));
NUnit.Framework.Assert.IsFalse(d1.vector.ValueEquals(clone, 1.0e-5));
}
NUnit.Framework.Assert.IsTrue(d1.vector.ValueEquals(d1.vector, 1.0e-5));
NUnit.Framework.Assert.IsTrue(clone.ValueEquals(clone, 1.0e-5));
// refresh the clone
clone = d1.vector.DeepClone();
int tinker = r.NextInt(size);
d1.vector.SetDenseComponent(tinker, new double[] { 0, 0, 1 });
clone.SetSparseComponent(tinker, 2, 1);
NUnit.Framework.Assert.IsTrue(d1.vector.ValueEquals(clone, 1.0e-5));
NUnit.Framework.Assert.IsTrue(clone.ValueEquals(d1.vector, 1.0e-5));
}
}
public virtual void TestResizeOnSetComponent(IDictionary <int, int> featureMap1, IDictionary <int, int> featureMap2)
{
ConcatVectorNamespace @namespace = new ConcatVectorNamespace();
ConcatVector namespace1 = ToNamespaceVector(@namespace, (IDictionary <int, int>)featureMap1);
ConcatVector namespace2 = ToNamespaceVector(@namespace, (IDictionary <int, int>)featureMap2);
ConcatVector regular1 = ToVector((IDictionary <int, int>)featureMap1);
ConcatVector regular2 = ToVector((IDictionary <int, int>)featureMap2);
NUnit.Framework.Assert.AreEqual(namespace1.DotProduct(namespace2), 1.0e-5, regular1.DotProduct(regular2));
ConcatVector namespaceSum = namespace1.DeepClone();
namespaceSum.AddVectorInPlace(namespace2, 1.0);
ConcatVector regularSum = regular1.DeepClone();
regularSum.AddVectorInPlace(regular2, 1.0);
NUnit.Framework.Assert.AreEqual(namespace1.DotProduct(namespaceSum), 1.0e-5, regular1.DotProduct(regularSum));
NUnit.Framework.Assert.AreEqual(namespaceSum.DotProduct(namespace2), 1.0e-5, regularSum.DotProduct(regular2));
}