public void FindKAndB(double x1, double y1, double x2, double y2, double expectedK, double expectedB)
{
double actualK = VariablesMath.SolveIndexK(x1, y1, x2, y2);
double actualB = VariablesMath.SolveIndexB(x1, y1, x2, y2);
Assert.AreEqual(expectedK, actualK);
Assert.AreEqual(expectedB, actualB);
}
public void FindKAndBNegative(double x1, double y1, double x2, double y2)
{
try
{
VariablesMath.SolveIndexK(x1, y1, x2, y2);
VariablesMath.SolveIndexB(x1, y1, x2, y2);
}
catch
{
Assert.Pass();
}
Assert.Fail();
}
static void Main(string[] args)
{
double x1, y1, x2, y2;
Console.WriteLine("Enter x1:");
x1 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter y1:");
y1 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter x2:");
x2 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter y2:");
y2 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("A (" + x1 + "," + y1 + ")");
Console.WriteLine("B (" + x2 + "," + y2 + ")");
double k = VariablesMath.SolveIndexK(x1, y1, x2, y2);
double b = VariablesMath.SolveIndexB(x1, y1, x2, y2);
Console.Write("Stright line equation: y=");
Console.Write(k + "*x + " + b);
}