public Form1()
{
InitializeComponent();
richTextBox1.Text += "***** To la bot chuyen khao sat ham so!" + Environment.NewLine +
"***** Hay nhap ham so to can khao sat nha!" + Environment.NewLine +
"***** Luu y: " + Environment.NewLine +
"***** - To chi du thong minh giai ham so cap ba" + Environment.NewLine +
"***** - abc" + Environment.NewLine +
"***** - abcdhhfjdjgr" + Environment.NewLine +
"hahdjeyfyhgbbsgfs" + Environment.NewLine +
"--------------------------------------------------------------" + Environment.NewLine;
//BeginLoadMaple
MapleEngine.MapleCallbacks cb;
byte[] err = new byte[2048];
// pass -A2 which sets kernelopts(assertlevel=2) just to show
// how in this example. The corresponding argc parameter
// (the first argument to StartMaple) should then be 2
// argv[0] should always be filled in with something.
String[] argv = new String[2];
argv[0] = "maple";
argv[1] = "-A2";
// only a textcallback is really needed here, but error and status
// callbacks are also provided to show how to handle the IntPtr
// arguments
cb.textCallBack = cbText;
cb.errorCallBack = cbError;
cb.statusCallBack = cbStatus;
cb.readlineCallBack = null;
cb.redirectCallBack = null;
cb.streamCallBack = null;
cb.queryInterrupt = null;
cb.callbackCallBack = null;
//EndIntilia//
try
{
kv = MapleEngine.StartMaple(2, argv, ref cb, IntPtr.Zero, IntPtr.Zero, err);
}
catch (DllNotFoundException e)
{
MessageBox.Show(e.ToString());
}
catch (EntryPointNotFoundException e)
{
MessageBox.Show(e.ToString());
}
if (kv.ToInt64() == 0)
{
// Maple didn't start properly. The "err" parameter will be filled
// in with the reason why (usually a license error)
// Note that since we passed in a byte[] array we need to trim
// the characters past \0 during conversion to string
MessageBox.Show("Fatal Error, could not start Maple: "
+ System.Text.Encoding.ASCII.GetString(err, 0, Array.IndexOf(err, (byte)0))
);
}
}
private string CalltheAnswer(string temp)
{
string meow;
List <string> greetings = new List <string>(new string[] { "hello", "hi", "xin chào", "chào" });
List <string> goodbyeph = new List <string>(new string[] { "bye", "tạm biệt", "hẹn gặp lại", "good bye", "see ya" });
if (greetings.Contains(temp.ToLower()))
{
return("nahdgdfjjs");
}
else if (temp.Contains("x^3"))
{
List <char> formula = new List <char>(new char[] { ' ', 'x', 'y', '^', '+', '-', '*', '/', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '=' });
int beg = -1;
int length = 0;
for (int i = 0; i < temp.Count(); i++)
{
if (formula.Contains(temp[i]) && beg == -1 && temp[i] != ' ')
{
beg = i;
length = 1;
}
else
{
if (formula.Contains(temp[i]))
{
length++;
}
}
}
tmp = temp.Substring(beg, length);
return(tmp);
}
else if (goodbyeph.Contains(temp.ToLower()))
{
Random randNum = new Random();
MapleEngine.StopMaple(kv);
return(goodbyeph[randNum.Next(0, goodbyeph.Count)]);
}
else if (temp.Contains("1") && tmp != "")
{
stepMath = 0;
string luuSo = "";
List <char> numFind = new List <char>(new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '/' });
//tim a
int i = tmp.IndexOf("x^3");
int j = i - 1;
if (j >= 0)
{
if (tmp[j] == '*')
{
j--;
i--;
}
}
while (j >= 0 && numFind.Contains(tmp[j]))
{
j--;
}
j++;
if (j == i)
{
luuSo = "1";
}
else
{
luuSo = tmp.Substring(j, i - j);
}
if (j > 0)
{
if (tmp[j - 1] == '-')
{
luuSo = "-" + luuSo;
}
else
{
luuSo = "+" + luuSo;
}
}
else
{
luuSo = "+" + luuSo;
}
a = luuSo;
//end a
//tim b
if (tmp.Contains("x^2"))
{
i = tmp.IndexOf("x^2");
j = i - 1;
if (j >= 0)
{
if (tmp[j] == '*')
{
j--;
i--;
}
}
while (j >= 0 && numFind.Contains(tmp[j]))
{
j--;
}
j++;
if (j == i)
{
luuSo = "1";
}
else
{
luuSo = tmp.Substring(j, i - j);
}
if (j > 0)
{
if (tmp[j - 1] == '-')
{
luuSo = "-" + luuSo;
}
else
{
luuSo = "+" + luuSo;
}
}
else
{
luuSo = "+" + luuSo;
}
b = luuSo;
}
//end b
//tim c
i = 0;
while (i < tmp.Count())
{
if ((tmp[i] == 'x') && (i + 1 == tmp.Count()))
{
break;
}
else if (tmp[i] == 'x' && tmp[i + 1] != '^')
{
break;
}
i++;
}
if (i < tmp.Count())
{
j = i - 1;
if (j >= 0)
{
if (tmp[j] == '*')
{
j--;
i--;
}
}
while (j >= 0 && numFind.Contains(tmp[j]))
{
j--;
}
j++;
if (j == i)
{
luuSo = "1";
}
else
{
luuSo = tmp.Substring(j, i - j);
}
if (j > 0)
{
if (tmp[j - 1] == '-')
{
luuSo = "-" + luuSo;
}
else
{
luuSo = "+" + luuSo;
}
}
else
{
luuSo = "+" + luuSo;
}
c = luuSo;
}
//end c
//tim d
for (i = 0; i < tmp.Count(); i++)
{
j = i - 1;
if (numFind.Contains(tmp[i]))
{
j = i;
while (j < tmp.Count())
{
if (numFind.Contains(tmp[j]))
{
j++;
}
else
{
break;
}
}
if (j < tmp.Count())
{
if (tmp[j] == 'x' || tmp[j] == '*')
{
j = i - 1;
}
}
if (j > 1)
{
if (tmp[j - 2] == '^')
{
j = i - 1;
}
}
}
if (j >= i)
{
luuSo = tmp.Substring(i, j - i);
if (i > 0)
{
if (tmp[i - 1] == '-')
{
luuSo = "-" + luuSo;
}
else
{
luuSo = "+" + luuSo;
}
}
else
{
luuSo = "+" + luuSo;
}
d = luuSo;
break;
}
}
//end d
string dir = GetGifFilePath();
string outputFinal = Khoitao();
if (pictureBox1.Image != null)
{
pictureBox1.Image.Dispose();
}
if (outputFinal.Length > 0)
{
richTextBox1.Text += Environment.NewLine;
try
{
IntPtr val = NativeMethods.CreateGifFromEq(outputFinal, dir);
pictureBox1.Image = Image.FromFile(dir);
storageImage.Add(Image.FromFile(dir));
currInd++;
}
catch (Exception e)
{
return(e.ToString());
}
}
return("Den day ban biet lam chua? (Co/Khong)");
}
else if (temp.Contains("2") && tmp != "")
{
return("Thuc hien ngu nguoi 2 :)");
}
else if (tmp != "" && (temp.Contains("khong") || temp.Contains("Khong")))
{
if (stepMath == 5)
{
tmp = "";
return("Tks kiu nha <3 Muon giup gi cu noi minh");
}
string dir = GetGifFilePath();
string outputFinal = Khoitao();
if (pictureBox1.Image != null)
{
pictureBox1.Image.Dispose();
}
if (outputFinal.Length > 0)
{
richTextBox1.Text += Environment.NewLine;
try
{
IntPtr val = NativeMethods.CreateGifFromEq(outputFinal, dir);
pictureBox1.Image = Image.FromFile(dir);
storageImage.Add(Image.FromFile(dir));
currInd++;
}
catch (Exception e)
{
return(e.ToString());
}
}
List <string> arrQues = new List <string>(new string[] { "Giup cau roi do, biet lam chua? ", "Sao cau ngu the, gio biet chua? ", "Toi day roi thi sao? " });
Random randNum = new Random();
return(arrQues[randNum.Next(0, arrQues.Count)] + "(Co/Khong)");
}
else if (tmp != "" && ((temp.Contains("co") || temp.Contains("Co") || stepMath == 4)))
{
if (stepMath < 5)
{
stepMath++;
return("Ban co muon giai bai toan tiep tuyen voi ham so nay khong? (Co/Khong)");
}
else if (stepMath == 5)
{
//thuc hien bai toan no.2;
stepMath++;
return("Nhap hai toa do cua diem di qua tiep tuyen.");
}
else
{
tmp = "";
return("Tks kiu ban <3 Con muon giai gi thi noi nhe!");
}
}
meow = "hiu hiu";
return(meow);
}
private string Khoitao()
{
// This evaluates the inputted expression and sends the text output
// to the text callback (cbText). It also returns a handle to the
// result. Use a colon to terminate the statement if you don't
// want any output (a result is still returned).
finalOutput = "";
switch (stepMath)
{
case 0:
val = MapleEngine.EvalMapleStatement(kv, "a:=" + a + ";" + "b:=" + b + ";" + "c:=" + c + ";" + "d:=" + d + ";");
val = MapleEngine.EvalMapleStatement(kv, "y :=a*x^3+b*x^2+c*x+d;"
+ "dhl:=diff(y, x);"
+ "k:=4*b^2-12*a*c;");
//finalOutput += "a:=" + a + ";" + "b:=" + b + ";" + "c:=" + c + ";" + "d:=" + d + ";" + Environment.NewLine;
val = MapleEngine.EvalMapleStatement(kv, "latex(y);");
finalOutput += "\\text{Ham so ban vua nhap la : y = }" + stepOutput +
"\\\\ \\text{TXD: D=R} \\\\";
val = MapleEngine.EvalMapleStatement(kv, "latex(Limit(y, x = -infinity) = limit(y, x = -infinity));");
finalOutput += "\\text{Cac gioi han vo cuc la: }" +
stepOutput + ", ";
val = MapleEngine.EvalMapleStatement(kv, "latex(Limit(y, x = infinity) = limit(y, x = infinity));");
finalOutput += stepOutput + "\\\\";
val = MapleEngine.EvalMapleStatement(kv, "latex(dhl);");
finalOutput += "\\text{Dao ham: y' = }" + stepOutput + "\\\\";
stepMath++;
break;
case 1:
val = MapleEngine.EvalMapleStatement(kv, "k;");
if (Convert.ToInt32(stepOutput) > 0)
{
val = MapleEngine.EvalMapleStatement(kv, "x1:=min(solve(dhl=0,x)); x2:=max(solve(dhl=0,x)); y1:=a*x1^3+b*x1^2+c*x1+d; y2:=a*x2^3+b*x2^2+c*x2+d; u:=solve(dif(dhl,x)=0); yu:=a*u^3+b*u^2+c*u+d;");
finalOutput += "\\text{Phuong trinh y'=0 co cac nghiem lan luot la: }";
val = MapleEngine.EvalMapleStatement(kv, "x1;");
finalOutput += stepOutput + ", ";
val = MapleEngine.EvalMapleStatement(kv, "x2;");
finalOutput += stepOutput + "\\\\ \\text{Hs DB tren tung khoang (}";
val = MapleEngine.EvalMapleStatement(kv, "latex(-infinity);");
finalOutput += stepOutput + ", ";
val = MapleEngine.EvalMapleStatement(kv, "x1;");
finalOutput += stepOutput + "), (";
val = MapleEngine.EvalMapleStatement(kv, "x2);");
finalOutput += stepOutput + ", ";
val = MapleEngine.EvalMapleStatement(kv, "latex(infinity)");
finalOutput += stepOutput + "\\text{) Va Hs NB tren (}";
val = MapleEngine.EvalMapleStatement(kv, "x1;");
finalOutput += stepOutput + ", ";
val = MapleEngine.EvalMapleStatement(kv, "x2;");
finalOutput += stepOutput + ") \\\\";
}
else
{
val = MapleEngine.EvalMapleStatement(kv, "u:=solve(diff(dhl,x)=0); yu:=a*u^3+b*u^2+c*u+d;");
if (Convert.ToInt32(a) < 0)
{
finalOutput += "\\text{Hs luon NB tren R} \\\\";
}
else
{
finalOutput += "\\text{Hs luon DB tren R} \\\\";
}
}
stepMath++;
break;
case 2:
val = MapleEngine.EvalMapleStatement(kv, "k;");
if (Convert.ToInt32(stepOutput) > 0)
{
finalOutput += "\\text{Diem cuc tieu la: (}";
val = MapleEngine.EvalMapleStatement(kv, "x1;");
finalOutput += stepOutput + ", ";
val = MapleEngine.EvalMapleStatement(kv, "y1;");
finalOutput += stepOutput + ") \\\\ \\text{Va diem cuc dai la: (}";
val = MapleEngine.EvalMapleStatement(kv, "x2;");
finalOutput += stepOutput + ", ";
val = MapleEngine.EvalMapleStatement(kv, "y2;");
finalOutput += stepOutput + ")";
}
else
{
finalOutput += "\\text{Hs khong dat cuc tri tren R} \\\\";
}
stepMath++;
break;
case 3:
finalOutput += "\\text{Diem uon: (}";
val = MapleEngine.EvalMapleStatement(kv, "u;");
finalOutput += stepOutput + ", ";
val = MapleEngine.EvalMapleStatement(kv, "yu;");
finalOutput += stepOutput + ") \\\\";
finalOutput += "\\text{Do thi co tam doi xung la diem uon} \\\\";
stepMath++;
break;
case 4:
finalOutput += "\\text{Do thi giao voi Ox tai diem: (}";
val = MapleEngine.EvalMapleStatement(kv, "latex(fsolve(y=0));");
finalOutput += stepOutput + ",0) \\\\ \\text{Do thi giao voi Oy tai diem: (0,}" + d + ") \\\\";
stepMath++;
break;
case 5:
//val = MapleEngine.EvalMapleStatement(kv, "plot(y, color=red);");
//finalOutput += stepOutput;
stepMath++;
break;
}
return(finalOutput);
}