private void calculateButton_Click(object sender, EventArgs e)
{
string r1 = realTextBox1.Text;
string i1 = imaginaryTextBox1.Text;
string r2 = realTextBox2.Text;
string i2 = imaginaryTextBox2.Text;
var charsToRemove = new string[] { "i", " " };
foreach (var c in charsToRemove)
{
i1 = i1.Replace(c, string.Empty);
i2 = i2.Replace(c, string.Empty);
}
try
{
double.TryParse(r1, out double realNumber1);
double.TryParse(i1, out double imaginaryNumber1);
double.TryParse(r2, out double realNumber2);
double.TryParse(i2, out double imaginaryNumber2);
if (operatorButton1.Text == "-")
{
imaginaryNumber1 = 0.0 - imaginaryNumber1;
}
if (operatorButton2.Text == "-")
{
imaginaryNumber2 = 0.0 - imaginaryNumber2;
}
ComplexData complexNumber1 = new ComplexData(realNumber1, imaginaryNumber1);
ComplexData complexNumber2 = new ComplexData(realNumber2, imaginaryNumber2);
if (operatorLabel.Text == "+")
{
ComplexData answer = complexArithmetic.Calculate(complexNumber1, complexNumber2, new Func <ComplexData, ComplexData, ComplexData>(complexArithmetic.Add));
if (answer.ImaginaryNumber < 0)
{
operatorAnswerTextBox.Text = "-";
answer.ImaginaryNumber = 0 - answer.ImaginaryNumber;
}
else
{
operatorAnswerTextBox.Text = "+";
}
decimal realNumber = Convert.ToDecimal(answer.RealNumber);
decimal imaginaryNumber = Convert.ToDecimal(answer.ImaginaryNumber);
realAnswerTextBox.Text = Decimal.Round(realNumber, 2).ToString();
imaginaryAnswerTextBox.Text = Decimal.Round(imaginaryNumber).ToString() + "i";
}
else if (operatorLabel.Text == "-")
{
ComplexData answer = complexArithmetic.Calculate(complexNumber1, complexNumber2, new Func <ComplexData, ComplexData, ComplexData>(complexArithmetic.Subtract));
if (answer.ImaginaryNumber < 0)
{
operatorAnswerTextBox.Text = "-";
answer.ImaginaryNumber = 0 - answer.ImaginaryNumber;
}
else
{
operatorAnswerTextBox.Text = "+";
}
decimal realNumber = Convert.ToDecimal(answer.RealNumber);
decimal imaginaryNumber = Convert.ToDecimal(answer.ImaginaryNumber);
realAnswerTextBox.Text = Decimal.Round(realNumber, 2).ToString();
imaginaryAnswerTextBox.Text = Decimal.Round(imaginaryNumber).ToString() + "i";
}
else if (operatorLabel.Text == "*")
{
ComplexData answer = complexArithmetic.Calculate(complexNumber1, complexNumber2, new Func <ComplexData, ComplexData, ComplexData>(complexArithmetic.Multiply));
if (answer.ImaginaryNumber < 0)
{
operatorAnswerTextBox.Text = "-";
answer.ImaginaryNumber = 0 - answer.ImaginaryNumber;
}
else
{
operatorAnswerTextBox.Text = "+";
}
decimal realNumber = Convert.ToDecimal(answer.RealNumber);
decimal imaginaryNumber = Convert.ToDecimal(answer.ImaginaryNumber);
realAnswerTextBox.Text = Decimal.Round(realNumber, 2).ToString();
imaginaryAnswerTextBox.Text = Decimal.Round(imaginaryNumber).ToString() + "i";
}
else if (operatorLabel.Text == "/")
{
ComplexData answer = complexArithmetic.Calculate(complexNumber1, complexNumber2, new Func <ComplexData, ComplexData, ComplexData>(complexArithmetic.Divide));
if (answer.ImaginaryNumber < 0)
{
operatorAnswerTextBox.Text = "-";
answer.ImaginaryNumber = 0 - answer.ImaginaryNumber;
}
else
{
operatorAnswerTextBox.Text = "+";
}
decimal realNumber = Convert.ToDecimal(answer.RealNumber);
decimal imaginaryNumber = Convert.ToDecimal(answer.ImaginaryNumber);
realAnswerTextBox.Text = Decimal.Round(realNumber, 2).ToString();
imaginaryAnswerTextBox.Text = Decimal.Round(imaginaryNumber).ToString() + "i";
}
}
catch (FormatException)
{
MessageBox.Show("You entered an invalid input.");
}
}
public ComplexData Calculate(ComplexData cn1, ComplexData cn2, Func <ComplexData, ComplexData, ComplexData> calc)
{
return(calc(cn1, cn2));
}
public ComplexData Divide(ComplexData cn1, ComplexData cn2)
{
return(cn1 / cn2);
}
public ComplexData Multiply(ComplexData cn1, ComplexData cn2)
{
return(cn1 * cn2);
}
public ComplexData Subtract(ComplexData cn1, ComplexData cn2)
{
return(cn1 - cn2);
}
public ComplexData Add(ComplexData cn1, ComplexData cn2)
{
return(cn1 + cn2);
}