public void Sub()
{
SparseVectorf sub = v1 - v2;
Assert.AreEqual((float)2.0, sub[1]);
Assert.AreEqual((float)-2.0, sub[2]);
}
public void Add()
{
SparseVectorf add = v1 + v2;
Assert.AreEqual((float)2.0, add[1]);
Assert.AreEqual((float)2.0, add[2]);
Assert.AreEqual(0.0f, add[3]);
Assert.AreEqual((float)14.0, add[5]);
Assert.AreEqual((float)5.0, add[12]);
Assert.AreEqual((float)5.0, add[14]);
}
public void ElementConstructionAndAccess()
{
// We construct giant sparse vector.
SparseVectorf v = new SparseVectorf(
new SparseElementf[] {
new SparseElementf(1, (float)2.0),
new SparseElementf(5, (float)3.0),
new SparseElementf(12, (float)4.0),
new SparseElementf(115, (float)70.0)
}, 150);
// Accessor test.
Assert.AreEqual(0.0f, v[7]);
Assert.AreEqual((float)3.0, v[5]);
Assert.AreEqual((float)70.0, v[115]);
Assert.AreEqual(0.0f, v[145]);
// Setting test.
v[15] = (float)6.0;
Assert.AreEqual((float)6.0, v[15]);
v[5] = (float)3.0;
Assert.AreEqual((float)3.0, v[5]);
}