public TFract Reduce()
{
int a, b, ta, tb, tmp, gcd;
a = ta = this.Num;
b = tb = this.Den;
if (a < 0)
{
ta = Math.Abs(ta);
}
while (ta != 0)
{
if (ta < tb)
{
tmp = ta; ta = tb; tb = tmp;
}
ta = ta - tb;
}
gcd = tb;
a = a / gcd;
b = b / gcd;
this.Num = a;
this.Den = b;
TFract F = new TFract(a, b);
return(F);
}
public void ResultShowEqual(TFract A, TFract B, bool C, TextBox tR, ComboBox cO)
{
tR.Text += A.ToString() + " " + cO.Text + " " + B.ToString()
+ " is " + C.ToString()
+ '\r' + '\n'
+ '\r' + '\n';
}
public static TFract operator +(int n, TFract a)
{
TFract b = new TFract();
TFract c = new TFract();
b.SetNum(n); b.SetDen(1);
c = b + a;
return(c);
}
public static TFract operator +(TFract a, int n)
{
TFract b = new TFract();
TFract c = new TFract();
b.SetNum(n); b.SetDen(1);
c = a + b;
return(c);
}
public void ResultShowCalc(TFract A, TFract B, TFract C, TextBox tR, ComboBox cO)
{
tR.Text += A.ToString() + " " + cO.Text + " " + B.ToString()
+ " = " + C.ToString()
+ " = " + C.Reduce().ToString()
+ " = " + C.ToFloat().ToString()
+ '\r' + '\n'
+ '\r' + '\n';
}
public override bool Equals(object obj)
{
if (obj.GetType() != GetType())
{
return(false);
}
TFract t = (TFract)obj;
return(Num == t.Num && Den == t.Den);
}
private void buttonResult_Click(object sender, EventArgs e)
{
try
{
TFract A = new TFract(Int32.Parse(tBf1_num.Text), Int32.Parse(tBf1_den.Text));
TFract B = new TFract(Int32.Parse(tBf2_num.Text), Int32.Parse(tBf2_den.Text));
TFract C;
if(comboBoxOperation.Text == "+")
{
C = A + B;
ResultShowCalc(A, B, C, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "-")
{
C = A - B;
ResultShowCalc(A, B, C, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "*")
{
C = A * B;
ResultShowCalc(A, B, C, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "/")
{
C = A / B;
ResultShowCalc(A, B, C, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "<")
{
bool r;
r = A < B;
ResultShowEqual(A, B, r, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == ">")
{
bool r;
r = A > B;
ResultShowEqual(A, B, r, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "<=")
{
bool r;
r = A <= B;
ResultShowEqual(A, B, r, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == ">=")
{
bool r;
r = A >= B;
ResultShowEqual(A, B, r, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "=")
{
bool r;
r = (A == B);
ResultShowEqual(A, B, r, textBoxResult, comboBoxOperation);
}
}
catch(Exception ex)
{
textBoxResult.Text += ex.Message + '\r' + '\n' + '\r' + '\n';
}
}
private void buttonResult_Click(object sender, EventArgs e)
{
/*TFract f1 = new TFract(2, 5);
* TFract f2 = new TFract(3, 6);
* TFract f3;
* f3 = (f1 + f2).Reduce();
*
* textBoxResult.Text = f3.ToString();*/
/*TFract f1 = new TFract(3, 5);
* TFract f2 = new TFract(3, 2);
*
* if (f1 > f2) { textBoxResult.Text = f1.ToString() + " is bigger"; };
* if (f1 < f2) { textBoxResult.Text = f2.ToString() + " is bigger"; };*/
/*try
* {
* TFract f2 = new TFract(3, 0);
* }
* catch(TFractException ex)
* {
* textBoxResult.Text = ex.Message;
* }*/
/*TFract f1 = new TFract(1, 2);
* TFract f2 = new TFract(2, 3);
* TFract f3 = new TFract(3, 4);
* TFract f4 = new TFract(4, 5);
* TFract f5 = f1 - f2 - f3 - f4;
*
* textBoxResult.Text = f5.Reduce().ToFloat().ToString();*/
try
{
TFract A = new TFract(Int32.Parse(tBf1_num.Text), Int32.Parse(tBf1_den.Text));
TFract B = new TFract(Int32.Parse(tBf2_num.Text), Int32.Parse(tBf2_den.Text));
TFract C;
if (comboBoxOperation.Text == "+")
{
C = A + B;
ResultShowCalc(A, B, C, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "-")
{
C = A - B;
ResultShowCalc(A, B, C, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "*")
{
C = A * B;
ResultShowCalc(A, B, C, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "/")
{
C = A / B;
ResultShowCalc(A, B, C, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "<")
{
bool r;
r = A < B;
ResultShowEqual(A, B, r, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == ">")
{
bool r;
r = A > B;
ResultShowEqual(A, B, r, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "<=")
{
bool r;
r = A <= B;
ResultShowEqual(A, B, r, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == ">=")
{
bool r;
r = A >= B;
ResultShowEqual(A, B, r, textBoxResult, comboBoxOperation);
}
else
if (comboBoxOperation.Text == "=")
{
bool r;
r = (A == B);
ResultShowEqual(A, B, r, textBoxResult, comboBoxOperation);
}
}
catch (Exception ex)
{
textBoxResult.Text += ex.Message + '\r' + '\n' + '\r' + '\n';
}
}
