private static void PromptMatrix(string text, Macierz.Macierz m)
{
Console.WriteLine("\n " + text + ": ");
Console.WriteLine("Dimensions: " + m.GetLength(0) + " x " + m.GetLength(1));
Console.WriteLine(m.ToString());
Console.WriteLine("Sum of all cells: " + m.Sum());
}
private static void InputResult(Macierz.Macierz a, Macierz.Macierz b, Macierz.Macierz c)
{
Console.WriteLine("\n===========Input=========");
PromptMatrix('A', a);
PromptMatrix('B', b);
Console.WriteLine("\n===========Result=========");
PromptMatrix('C', c);
ExitMessage();
}
private static void PromptMatrix(char symbol, Macierz.Macierz m)
{
if (m.IsZero)
{
Console.WriteLine("\n Matrix " + symbol + " is empty.");
}
else
{
Console.WriteLine("\n Matrix " + symbol + ": ");
Console.WriteLine("Dimensions: " + m.GetLength(0) + " x " + m.GetLength(1));
Console.WriteLine(m.ToString());
Console.WriteLine("Sum of all cells: " + m.Sum());
}
}
private static Macierz.Macierz CreateMatrix()
{
Console.WriteLine("You are creating an m-by-n matrix.");
Console.Write("Enter m: ");
var choiceM = Console.ReadLine();
int m = 0;
if (int.TryParse(choiceM, out m) && m > 0)
{
Console.Write("Enter n: ");
var choiceN = Console.ReadLine();
int n = 0;
if (int.TryParse(choiceN, out n) && n > 0)
{
Macierz.Macierz matrix = new Macierz.Macierz(m, n);
Console.WriteLine("\n Type values (from left to right and top to bottom). Use \",\" as decimal point. Press 'Enter' after each value.");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
float f = 0;
var val = Console.ReadLine();
if (float.TryParse(val?.Trim(), out f))
{
matrix[i, j] = f;
}
else
{
Console.Write("Ops, wrong value \n");
Console.Write("===============\n HINT\n =============== \n Read the above. Enter only numeric values. \n ------------------------------");
return(new Macierz.Macierz(0, 0));
}
}
}
return(matrix);
}
else
{
return(new Macierz.Macierz(0, 0));
}
}
else
{
return(new Macierz.Macierz(0, 0));
}
}
static void Main(string[] args)
{
Macierz.Macierz matrixA = new Macierz.Macierz(0, 0);
Macierz.Macierz matrixB = new Macierz.Macierz(0, 0);
Macierz.Macierz matrixC = new Macierz.Macierz(0, 0);
Console.WriteLine("Welcome to program called MatrixOperations.");
for (;;)
{
// string directory = System.Environment.CurrentDirectory;
Console.WriteLine("\n Help on:");
Console.WriteLine(" 1. Calculate matrix operation using MatrixLib");
Console.WriteLine(" 2. Enter matrix from console and also read/write text files");
Console.WriteLine(" 3. Display .NET components");
Console.WriteLine(" 4. Author");
Console.WriteLine(" 5. Clear console");
Console.WriteLine(" 6. Help");
Console.WriteLine(" 7. Quit");
Console.Write("Selection: ");
var ans0 = Console.ReadLine();
int case0 = 0;
if (int.TryParse(ans0, out case0))
{
switch (case0)
{
#region case1
case 1:
Console.Clear();
Console.WriteLine("Welcome. \n This is a program created for the purpose of calculating some basic matrix operations. \n You can add, subtract or multipy. \n");
Console.WriteLine("Current memory state: ");
//If mememory is empty or sth
bool allGood = !matrixA.IsZero && !matrixB.IsZero;
bool w1 = matrixA.IsZero && !matrixB.IsZero;
bool w2 = !matrixA.IsZero && matrixB.IsZero;
bool w3 = !allGood;
bool w4 = w1 || w2 || w3;
if (w1)
{
Console.WriteLine("Matrix A is empty \n");
PromptMatrix('B', matrixB);
MainMenu();
break;
}
if (w2)
{
PromptMatrix('A', matrixA);
Console.WriteLine("");
Console.WriteLine("Matrix B is empty");
MainMenu();
break;
}
if (w3)
{
Console.WriteLine("Matrix A is empty \n");
Console.WriteLine("Matrix B is empty");
MainMenu();
break;
}
else
{
if (matrixC.IsZero)
{
Console.WriteLine("\nMatrix C is currently empty");
Console.WriteLine("\nContinue to calculate matrix C");
}
else
{
PromptMatrix('C', matrixC);
Console.WriteLine("\nContinue to overwrite matrix C");
}
}
//Else if is it's all good
if (allGood)
{
PromptMatrix('A', matrixA);
PromptMatrix('B', matrixB);
Console.WriteLine("\n\nHelp on:");
Console.WriteLine(" 1. C = A + B / B + A");
Console.WriteLine(" 2. C = A - B");
Console.WriteLine(" 3. C = B - A");
Console.WriteLine(" 4. C = A * B");
Console.WriteLine(" 5. C = B * A");
Console.WriteLine(" 6. Prompt A and B and their sums");
Console.WriteLine(" 7. Quit");
Console.Write("Choose what u want to do: ");
var ans12 = Console.ReadLine();
var case12 = 0;
#region ifAllGood
if (int.TryParse(ans12, out case12))
{
switch (case12)
{
case 1:
matrixC = matrixA + matrixB;
InputResult(matrixA, matrixB, matrixC);
break;
case 2:
matrixC = matrixA - matrixB;
InputResult(matrixA, matrixB, matrixC);
break;
case 3:
matrixC = matrixB - matrixA;
InputResult(matrixA, matrixB, matrixC);
break;
case 4:
matrixC = matrixA * matrixB;
InputResult(matrixA, matrixB, matrixC);
break;
case 5:
matrixC = matrixB * matrixA;
InputResult(matrixA, matrixB, matrixC);
break;
case 6:
PromptMatrix('A', matrixA);
PromptMatrix('B', matrixB);
ExitMessage();
break;
case 7:
ExitMessage();
break;
default:
NoSelection();
ExitMessage();
break;
}
}
else
{
WrongValue();
}
#endregion
break;
}
break;
#endregion
#region case2
case 2:
Console.WriteLine("\n Help on:");
Console.WriteLine("1. Enter matrix from console to memory");
Console.WriteLine("2. Save matrix from memory to file");
Console.WriteLine("3. Read matrix from file to memory");
Console.WriteLine("4. Display memory state");
Console.Write("Selection: ");
var ans2 = Console.ReadLine();
int case2 = 0;
if (int.TryParse(ans2, out case2))
{
switch (case2)
{
case 4:
{
PromptMatrix('A', matrixA);
PromptMatrix('B', matrixB);
PromptMatrix('C', matrixC);
break;
}
case 2:
Console.WriteLine("Type 'A' to save matrix A, 'B' to save matrix B or 'C' to save matrix C [Q to break]: ");
var k2 = Console.ReadLine();
if (k2 == "A" || k2 == "a")
{
WriteFile(matrixA);
break;
}
else if (k2 == "B" || k2 == "b")
{
WriteFile(matrixB);
break;
}
else if (k2 == "C" || k2 == "c")
{
WriteFile(matrixC);
break;
}
else if (k2 == "Q" || k2 == "q")
{
break;
}
break;
case 3:
Console.WriteLine("Type the name of the file :");
var k3 = Console.ReadLine();
Macierz.Macierz temp = ReadMatrix(k3?.Trim());
if (!temp.IsZero)
{
PromptMatrix("Matrix found in file: ", temp);
Console.WriteLine("Type 'A' to overwrite matrix A, 'B' to overwrite matrix B [Q to break] :");
var k31 = Console.ReadLine();
if (k31 == "A" || k31 == "a")
{
matrixA = temp;
}
else if (k31 == "B" || k31 == "b")
{
matrixB = temp;
}
else if (k31 == "Q" || k31 == "q")
{
break;
}
}
break;
case 1:
Console.WriteLine("Type 'A' to enter matrix A, 'B' to enter matrix B [Q to break) :");
var kkk = Console.ReadLine();
if (kkk == "A" || kkk == "a")
{
Console.WriteLine("Matrix A: ");
matrixA = CreateMatrix();
if (!matrixA.IsZero)
{
Console.WriteLine("\n==============================");
Console.Write("\n Matrix was entered corretly, \n");
}
else
{
Console.Write("\n Matrix was NOT entered corretly, \n");
}
}
else if (kkk == "B" || kkk == "b")
{
Console.WriteLine("Matrix B: ");
matrixB = CreateMatrix();
if (!matrixB.IsZero)
{
Console.WriteLine("\n==============================");
Console.Write("\n Matrix was entered corretly, \n");
}
else
{
Console.Write("\n Matrix was NOT entered corretly, \n");
}
}
else if (kkk == "q" || kkk == "Q")
{
break;
}
break;
default:
NoSelection();
break;
}
}
else
{
WrongValue();
ExitMessage();
break;
}
break;
#endregion
case 3:
AssemblyInfo();
break;
case 4:
Console.Clear();
Console.WriteLine("===================================");
Console.WriteLine("The author of this program: \n \nŁukasz Kandziora, SSM Informatyka AEI, Politechnika Śląska \n");
Console.WriteLine("===================================");
break;
case 5:
Console.Clear();
break;
case 6:
Console.WriteLine("In menus use only numeric values like 1,2,3 ... to select the option of your preference.");
Console.WriteLine("The memory state doesn't change if you enter a matrix incorrectly.");
Console.ReadKey();
break;
case 7:
Environment.Exit(0);
break;
default:
NoSelection();
break;
}
}
else
{
WrongValue();
}
}
}
private static void WriteFile(Macierz.Macierz m)
{
if (!m.IsZero)
{
try
{
for (;;)
{
bool fc = false;
Console.Write("Enter filename (without the .txt extension)[Q to break]: ");
var crl = Console.ReadLine();
crl.Trim();
if (crl == "Q" || crl == "q")
{
break;
}
char[] arr = crl.ToCharArray();
foreach (var a in arr)
{
if (a == '<' || a == '>' || a == '?' || a == '\\' || a == '/' || a == '/' || a == '*' || a == ':' || a == '?' || a == '|' || a == '"')
{
fc = true;
break;
}
}
if (fc)
{
Console.Write("String contains forbidden characters.\nTry entering a diffrent filename.\n");
continue;
}
if (File.Exists(crl + ".txt"))
{
Console.Write("File already exits, try diffrent name \n");
Console.Write("Type 'overwrite' to overwrite of any key to change name \n");
var crl1 = Console.ReadLine();
if (crl1?.Trim() != "overwrite")
{
continue;
}
}
StreamWriter sw = new StreamWriter(crl + ".txt");
sw.WriteLine(m.GetLength(0) + " " + m.GetLength(1));
var matat = m.ToString();
string[] lines = matat.Split('\n');
foreach (var l in lines)
{
sw.WriteLine(l);
}
sw.Close();
Console.Write("\n =============File saved.============\n");
break;
}
}
catch (Exception e)
{
Console.Write("Exception occurred while writing file");
Console.WriteLine(e);
}
}
else
{
Console.WriteLine("Matrix is empty");
Console.WriteLine("No files were created");
}
}