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 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 TestAppendSparseComponent(int sparse1, double sparse1Val, int sparse2, double sparse2Val)
{
ConcatVector v1 = new ConcatVector(1);
ConcatVector v2 = new ConcatVector(1);
v1.SetSparseComponent(0, (int)sparse1, sparse1Val);
v2.SetSparseComponent(0, (int)sparse2, sparse2Val);
if (sparse1 == sparse2)
{
NUnit.Framework.Assert.AreEqual(v1.DotProduct(v2), 5.0e-4, sparse1Val * sparse2Val);
}
else
{
NUnit.Framework.Assert.AreEqual(v1.DotProduct(v2), 5.0e-4, 0.0);
}
}
public virtual void TestAddVector(ConcatVectorTest.DenseTestVector d1, ConcatVectorTest.DenseTestVector d2, ConcatVectorTest.DenseTestVector d3)
{
// Test the invariant x^Tz + 0.7*y^Tz == (x+0.7*y)^Tz
double expected = d1.vector.DotProduct(d3.vector) + (0.7f * d2.vector.DotProduct(d3.vector));
ConcatVector clone = d1.vector.DeepClone();
clone.AddVectorInPlace(d2.vector, 0.7f);
NUnit.Framework.Assert.AreEqual(clone.DotProduct(d3.vector), 5.0e-4, expected);
}
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));
}
public virtual void TestProtoVector(ConcatVectorTest.DenseTestVector d1, ConcatVectorTest.DenseTestVector d2)
{
double expected = d1.vector.DotProduct(d2.vector);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
System.Diagnostics.Debug.Assert((d1.vector.GetType() == typeof(ConcatVector)));
d1.vector.WriteToStream(byteArrayOutputStream);
byteArrayOutputStream.Close();
byte[] bytes = byteArrayOutputStream.ToByteArray();
ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bytes);
ConcatVector recovered = ConcatVector.ReadFromStream(byteArrayInputStream);
NUnit.Framework.Assert.AreEqual(recovered.DotProduct(d2.vector), 5.0e-4, expected);
}
public virtual void TestAppendDenseComponent(double[] vector1, double[] vector2)
{
ConcatVector v1 = new ConcatVector(1);
ConcatVector v2 = new ConcatVector(1);
v1.SetDenseComponent(0, vector1);
v2.SetDenseComponent(0, vector2);
double sum = 0.0f;
for (int i = 0; i < Math.Min(vector1.Length, vector2.Length); i++)
{
sum += vector1[i] * vector2[i];
}
NUnit.Framework.Assert.AreEqual(v1.DotProduct(v2), 5.0e-4, sum);
}