private void String2Complex(String str, ref ComplexCal num)
{
Regex regex = new Regex(@"\d*\,?\d+[+|-]\d*\,?\d+i");
if (!regex.IsMatch(str))
{
label2.Text = "Некорректные данные";
return;
}
String n1 = null, n2 = null;
Boolean minus_sign = false;
int i, index = 0, first_index = 0;
if (str[0] == '-' || str[0] == '+')
{
n1 += str[0];
first_index = 1;
}
for (i = first_index; i < str.Length; i++)
{
if (str[i] == '+' || str[i] == '-')
{
num.Re = Convert.ToSingle(n1);
minus_sign = (str[i] == '-') ? true : false;
index = i + 1;
break;
}
n1 += str[i];
}
if (minus_sign)
{
n2 = "-";
}
for (i = index; i < str.Length; i++)
{
if (str[i] == 'i')
{
num.Im = Convert.ToSingle(n2);
break;
}
n2 += str[i];
}
}
private void button2_Click(object sender, EventArgs e)
{
String2Complex(textBox3.Text, ref left_num);
String2Complex(textBox4.Text, ref right_num);
if (!(label2.Text == "Неверно введены данные!"))
{
res = left_num - right_num;
if (res.Im >= 0)
{
label2.Text = res.Re.ToString() + "+" + res.Im.ToString() + "i";
}
else
{
label2.Text = res.Re.ToString() + res.Im.ToString() + "i";
}
label8.Text = res.GetAbs().ToString();
label10.Text = res.GetArg().ToString();
}
}