public void Sub()
{
SparseVectori sub = v1 - v2;
Assert.AreEqual((int)2.0, sub[1]);
Assert.AreEqual((int)-2.0, sub[2]);
}
public void Add()
{
SparseVectori add = v1 + v2;
Assert.AreEqual((int)2.0, add[1]);
Assert.AreEqual((int)2.0, add[2]);
Assert.AreEqual(0, add[3]);
Assert.AreEqual((int)14.0, add[5]);
Assert.AreEqual((int)5.0, add[12]);
Assert.AreEqual((int)5.0, add[14]);
}
public void ElementConstructionAndAccess()
{
// We construct giant sparse vector.
SparseVectori v = new SparseVectori(
new SparseElementi[] {
new SparseElementi(1, (int)2.0),
new SparseElementi(5, (int)3.0),
new SparseElementi(12, (int)4.0),
new SparseElementi(115, (int)70.0)
}, 150);
// Accessor test.
Assert.AreEqual(0, v[7]);
Assert.AreEqual((int)3.0, v[5]);
Assert.AreEqual((int)70.0, v[115]);
Assert.AreEqual(0, v[145]);
// Setting test.
v[15] = (int)6.0;
Assert.AreEqual((int)6.0, v[15]);
v[5] = (int)3.0;
Assert.AreEqual((int)3.0, v[5]);
}