private void buttonDocfile_Click(object sender, EventArgs e)
{
// xoa het cac phan tu dang co combobox
comboBoxMang.Items.Clear();
// hien thi dialog doc file
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "Doc tap tin txt|*.txt";
if (dialog.ShowDialog() == DialogResult.OK)
{
// lay duong dan file can doc
string duongdan = dialog.FileName;
// doc mang tu file
StreamReader doc = new StreamReader(duongdan);
PhanSo phanso1;
while (!doc.EndOfStream)
{
string str = doc.ReadLine();
phanso1 = new PhanSo(str);
comboBoxMang.Items.Add(str);
}
doc.Close();
}
}
static void Main(string[] args)
{
PhanSo k = new PhanSo();
k.nhap();
k.show();
Console.ReadLine();
}
public static PhanSo operator /(PhanSo a, PhanSo b)
{
int tuMoi = a.tu * b.mau;
int mauMoi = a.mau * b.tu;
PhanSo c = new PhanSo(tuMoi, mauMoi);
return(c);
}
public void TestHamDung2ThamSo()
{
PhanSo p;
p = new PhanSo(3, 4);
Assert.AreEqual(3, p.Tu, "Loi o tu so");
Assert.AreEqual(4, p.Mau, "loi o mau so");
}
public void TestTru()
{
PhanSo p1 = new PhanSo(1, 2);
PhanSo p2 = new PhanSo(3, 4);
PhanSo p3 = p1.Tru(p2);
Assert.AreEqual(-2, p3.Tu, "Loi o tu so");
Assert.AreEqual(8, p3.Mau, "loi o mau so");
}
public void TestChia()
{
PhanSo p1 = new PhanSo(1, 2);
PhanSo p2 = new PhanSo(3, 4);
PhanSo p3 = p1.Chia(p2);
Assert.AreEqual(4, p3.Tu, "Loi o tu so");
Assert.AreEqual(6, p3.Mau, "loi o mau so");
}
public PhanSo Chia(PhanSo PS2)
{
int TS = tu * PS2.mau;
int MS = mau * PS2.tu;
PhanSo kq = new PhanSo(TS, MS);
return(kq);
}
public void TestPS2()
{
PhanSo ps1 = new PhanSo(1, 2);
PhanSo ps2 = new PhanSo(1, 4);
PhanSo ps3 = new PhanSo(1, 4);
PhanSo add = ps2.add(ps3);
Assert.AreNotEqual(ps1, add);
}
public void TestHamDungMacDinh()
{
PhanSo p;
p = new PhanSo();
Assert.AreEqual(0, p.Tu, "Loi o tu so");
Assert.AreEqual(1, p.Mau, "Loi o mau so");
}
public void TestPS2()
{
PhanSo ps1 = new PhanSo(1, 2);
PhanSo ps2 = new PhanSo(1, 3);
PhanSo ps3 = new PhanSo(1, 4);
Assert.AreEqual(ps1, ps2);
Assert.AreNotEqual(ps2, ps3);
}
public void TestCong_PhanSoAm()
{
PhanSo p1 = new PhanSo(-1, 2);
PhanSo p2 = new PhanSo(3, 4);
PhanSo p3 = p1.Cong(p2);
Assert.AreEqual(2, p3.Tu, "Loi o tu so");
Assert.AreEqual(8, p3.Mau, "loi o mau so");
}
static void Main(string[] args)
{
PhanSo ob1 = new PhanSo(2, 5);
ob1.show();
PhanSo ob2 = new PhanSo(ob1);
ob2.show();
Console.ReadLine();
return;
}
/*
* Hàm xuất chuỗi
*/
private string Xuat(PhanSo ps)
{
if (ps.tu == ps.mau)
{
return("1");
}
else
{
return(ps.tu + "/" + ps.mau);
}
}
private void bt_Calc_Click(object sender, EventArgs e)
{
try
{
//Biến để tính toán
PhanSo[] ps = new PhanSo[n];
string[] dau = new string[n];
PhanSo Dapan = new PhanSo();
Label daTu = new Label();
Label daMau = new Label();
Panel daGach = new Panel();
for (i = 0; i < n; i++)
{
ps[i] = new PhanSo();
int a, b;
a = int.Parse(Tuso[i].Text);
b = int.Parse(Mauso[i].Text);
ps[i].iTuSo = a;
ps[i].iMauSo = b;
if (i + 1 != n)
{
dau[i] = Dau[i].Text;
}
}
for (i = 0; i < n - 1; i++)
{
if (dau[i] == "+")
{
Dapan = ps[i] + ps[i + 1];
}
else if (dau[i] == "-")
{
Dapan = ps[i] - ps[i + 1];
}
else if (dau[i] == "*")
{
Dapan = ps[i] * ps[i + 1];
}
else if (dau[i] == "/")
{
Dapan = ps[i] / ps[i + 1];
}
else
{
MessageBox.Show("Xin nhập đúng định dạng");
}
}
Txt_Numerator.Text = Convert.ToString(Dapan.iTuSo);
Txt_Denominator.Text = Convert.ToString(Dapan.iMauSo);
}
catch { MessageBox.Show("Xin nhập đúng định dạng"); }
}
/*
* Hàm rút gon
*/
private PhanSo RutGon(PhanSo ps1)
{
PhanSo ketqua;
int uchung = USChung(ps1.tu, ps1.mau);
ketqua.tu = ps1.tu / uchung;
ketqua.mau = ps1.mau / uchung;
return(ketqua);
}
public static PhanSo TinhTongPhanSo(PhanSo A, PhanSo B)
{
PhanSo kq;
kq.TuSo = A.TuSo * B.MauSo + B.TuSo * A.MauSo;
kq.MauSo = A.MauSo * B.MauSo;
Console.WriteLine("Ket qua tong 2 phan so: ");
Console.WriteLine($"{kq.TuSo} / {kq.MauSo}");
return(kq);
}
/*
* Tính tổng
*/
private PhanSo Cong(PhanSo ps1, PhanSo ps2)
{
PhanSo ketqua;
ketqua.tu = (ps1.tu * ps2.mau) + (ps1.mau * ps2.tu);
ketqua.mau = ps1.mau * ps2.mau;
PhanSo kqrutgon = RutGon(ketqua);
return(kqrutgon);
}
static void Main(string[] args)
{
PhanSo ob = new PhanSo();
ob.show();
ob.Cong();
ob.Tru();
ob.Nhan();
ob.Chia();
ob.SoSanh();
Console.ReadLine();
}
private void buttonSua_Click(object sender, EventArgs e)
{
if (comboBoxMang.SelectedIndex != -1)
{
string str1 = textBoxGiaTri.Text;
PhanSo ps = new PhanSo(str1);
comboBoxMang.Items[comboBoxMang.SelectedIndex] = ps;
}
else
{
MessageBox.Show("Ban chua chon phan tu can sua", "Thong bao");
}
}
private void buttonSua_Click(object sender, EventArgs e)
{
if (comboBoxMang.SelectedIndex != -1)
{
string str1 = textBoxGiaTri.Text;
PhanSo ps = new PhanSo(str1);
comboBoxMang.Items[comboBoxMang.SelectedIndex] = ps;
}
else
{
MessageBox.Show("Ban chua chon phan tu can sua", "Thong bao");
}
}
//Cộng hai phân số
public static PhanSo operator +(PhanSo a, PhanSo b)
{
if (a.iMauSo == b.iMauSo)
{
return(new PhanSo(a.iTuSo + b.iTuSo, a.iMauSo));
}
int tu1 = a.iTuSo * b.iMauSo;
int tu2 = b.iTuSo * a.iMauSo;
PhanSo ps = new PhanSo(tu1 + tu2, a.iMauSo * b.iMauSo);
ps.rutGon();
return(ps);
}
public void Cong2PhanSo_DeuLaPhanSoDuong_TraVeTong()
{
//Given
var ps1 = new PhanSo(1, 4);
var ps2 = new PhanSo(2, 4);
var expected = new PhanSo(3, 4);
//When
var actual = ps1 + ps2;
//Then
Assert.Equal(expected.TuSo, actual.TuSo);
Assert.Equal(expected.MauSo, actual.MauSo);
}
static void Main(string[] args)
{
PhanSo k1 = new PhanSo();
k1.show();
PhanSo k2 = new PhanSo(7);
k2.show();
PhanSo k3 = new PhanSo(6, 9);
k3.show();
Console.ReadLine();
return;
}
public void Cong2PhanSo_2PhanSoAm_TraVeTong()
{
//Given
var ps1 = new PhanSo(-1, 4);
var ps2 = new PhanSo(-2, 4);
var expected = new PhanSo(-3, 4);
//When
var actual = ps1 + ps2;
//Then
Assert.Equal(expected.TuSo, actual.TuSo);
Assert.Equal(expected.MauSo, actual.MauSo);
Assert.Equal(expected.Dau, actual.Dau);
}
private void buttonThem_Click(object sender, EventArgs e)
{
string chuoi = textBoxGiaTri.Text;
PhanSo phanso1;
if (PhanSo.KiemTraChuoiPhanSo(chuoi) == true)
{
phanso1 = new PhanSo(chuoi);
comboBoxMang.Items.Add(phanso1);
}
else
{
MessageBox.Show("Sai du lieu nhap", "Thong bao");
}
}
/*
* Ham tach chuoi
*/
private void TachChuoi(ref PhanSo ps1, ref PhanSo ps2)
{
//phan so 1
string[] a = { txtPhanSo1.Text };
int i = 0;
while (a[i] != "\0")
{
ps1.tu = int.Parse(a[i]);
ps1.mau = int.Parse(a[i]);
i++;
}
//phan so 2
}
static void Main(string[] args)
{
PhanSo a = new PhanSo();
a.Nhap();
a.Xuat();
PhanSo b = new PhanSo();
b.Nhap();
b.Xuat();
PhanSo c = a + b;
Console.WriteLine("\nKet qua phep cong 2 phan so a va b: {0}", c.ToString());
PhanSo d = a - b;
Console.WriteLine("Ket qua phep tru 2 phan so a va b: {0}", d.ToString());
PhanSo e = a * b;
Console.WriteLine("Ket qua phep nhan 2 phan so a va b: {0}", e.ToString());
PhanSo f = a / b;
Console.WriteLine("Ket qua phep chia 2 phan so a va b: {0}", f.ToString());
if (a == b)
{
Console.Write("Hai phan so a va b bang nhau : TRUE ");
}
else
{
Console.WriteLine("Hai phan so a va b bang nhau : FALSE ");
}
if (a != b)
{
Console.WriteLine("Hai phan so a va b khac nhau : TRUE ");
}
else
{
Console.WriteLine("Hai phan so a va b khac nhau : FALSE ");
}
PhanSo g = a++;
Console.WriteLine("Phan so a tang them 1 don vi : " + g.ToString());
Console.ReadLine();
}
static void Main()
{
PhanSo f1 = new PhanSo(3, 4);
Console.WriteLine("f1 : {0}", f1.ToString());
PhanSo f2 = new PhanSo(2, 4);
Console.WriteLine("f2 : {0}", f2.ToString());
PhanSo f3 = f1 + f2;
Console.WriteLine("f1 + f2 = f3 : {0}", f3.ToString());
PhanSo f4 = f3 + f1;
Console.WriteLine("f3 + 5 = f4 : {0}", f4.ToString());
PhanSo f5 = new PhanSo(4, 8);
if (f5 == f2)
{
Console.WriteLine("f5 :{0} == f2 : {1}", f5.ToString(), f2.ToString());
}
Console.ReadLine();
}
private void buttonDocfile_Click(object sender, EventArgs e)
{
// xoa het cac phan tu dang co combobox
comboBoxMang.Items.Clear();
// hien thi dialog doc file
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "Doc tap tin txt|*.txt";
if (dialog.ShowDialog() == DialogResult.OK)
{
// lay duong dan file can doc
string duongdan = dialog.FileName;
// doc mang tu file
StreamReader doc = new StreamReader(duongdan);
PhanSo phanso1;
while (!doc.EndOfStream)
{
string str = doc.ReadLine();
phanso1 = new PhanSo(str);
comboBoxMang.Items.Add(str);
}
doc.Close();
}
}
/*
* Hàm Nhập
*/
private void Nhap(ref PhanSo ps1, ref PhanSo ps2)
{
// phan so 1
string phanso1 = txtPhanSo1.Text;
string[] tam1 = phanso1.Split("/".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
if (tam1.Length > 1)
{
ps1.tu = int.Parse(tam1[0]);
ps1.mau = int.Parse(tam1[1]);
}
//phan so 2
string phanso2 = txtPhanSo2.Text;
string[] tam2 = phanso2.Split("/".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
ps2.tu = int.Parse(tam2[0]);
ps2.mau = int.Parse(tam2[1]);
}
private void buttonThem_Click(object sender, EventArgs e)
{
string chuoi = textBoxGiaTri.Text;
PhanSo phanso1;
if (PhanSo.KiemTraChuoiPhanSo(chuoi) == true)
{
phanso1 = new PhanSo(chuoi);
comboBoxMang.Items.Add(phanso1);
}
else
{
MessageBox.Show("Sai du lieu nhap", "Thong bao");
}
}
public bool SoSanhBang(PhanSo ps)
{
return(tu * ps.mau == mau * ps.tu);
}
public void TestChia0()
{
PhanSo p1 = new PhanSo(1, 2);
PhanSo p2 = new PhanSo(0, 4);
PhanSo p3 = p1.Chia(p2);
}
