public void GCDofRowTest1()
{
double[,] m = { { 0, 5, 8 }, { 12, 9, 3 }, { 1, 7, 9 } };
ChemEqnMatrix cm = new ChemEqnMatrix(m);
double expected = 3;
double results = cm.GCDofRow(1);
Assert.AreEqual(expected, results);
}