1 files changed, 86 insertions, 0 deletions
diff --git a/Bachelor/Prog1/Prakt2/prg1p2_2/prg1p2_2.cpp b/Bachelor/Prog1/Prakt2/prg1p2_2/prg1p2_2.cpp
new file mode 100644
index 0000000..1ac93e1
--- /dev/null
+++ b/Bachelor/Prog1/Prakt2/prg1p2_2/prg1p2_2.cpp
@@ -0,0 +1,86 @@
+// Programmieren 1, Praktikum 2, Aufgabe 2
+// Sven Eisenhauer
+// 29.10.2004
+//
+// file: prg1p2_2.cpp
+//
+// purpose: convert bin to dec numbers or dec numbers to bin
+//          10 digits mean 2exp9 to 2exp0
+//
+#include <iostream>
+#include <cmath>
+using std::cin;
+using std::cout;
+using std::endl;
+
+int main()
+{
+    const iBit=10;  //define how large the binary output should be.
+
+	int iMode;
+	int iBin=0;
+	int iActualFactor=0;
+	int iDec=0;
+	int iCounter=0;
+    int iCounter2=0;
+	//int iBinOut[iBit];
+	int iBinOut=0;
+
+
+	do
+	{		
+		system("cls");
+	    cout << "Please select Converter:\n1) Bin -> Dec\n2) Dec -> Bin\n\n0) End\n\n"
+		    "Your selection: ";
+	    cin >> iMode;
+		switch (iMode) {
+		    case 1:
+				cout << "\nPlease enter a binary number (max 10 characters): ";
+            	cin  >> iBin;
+				for (iCounter = 9;iCounter>=0;iCounter--)
+				{
+                	iActualFactor=iBin/pow(10,iCounter);
+					iDec+=(iActualFactor * static_cast <int> (pow(2,iCounter)));
+					iBin=iBin%static_cast <int>(pow(10,iCounter));
+				}
+				cout << "\nDecimal: " << iDec;
+				cout << endl;
+				system ("pause");
+		    break; // end bin2dec
+	    	case 2://dec2bin
+            	cout << "\nPlease enter a decimal number: ";
+				cin >> iDec;
+				cout << "\n"<<iBit<<"-bit Integer is: ";
+				/* // fill the array
+				for (iCounter=iBit-1;iCounter>=0;iCounter--)
+				{
+					iBinOut[iCounter]=iDec%2;
+					iDec=iDec/2;
+				}
+				// print array in reverse order
+				for (iCounter=0;iCounter<=iBit-1;iCounter++)
+				{
+					cout << iBinOut[iCounter];
+					if (0==((iCounter+1)%4))  // space separator after 4 bit
+						cout <<" ";
+				}
+				*/
+				iBinOut=0;
+				for (iCounter2=iBit;iCounter2>=0;iCounter2--)
+				{
+                    iBin=iDec%2;
+					iDec=iDec/2;
+					iBinOut += iBin * static_cast <int> (pow(10,iBit-iCounter2));
+				}
+				cout << iBinOut << endl;
+				system ("pause");
+		    break; // end dec2bin
+	    	case 0: // end selected... we are leaving...
+		    break;
+	    	default: // wrong selection
+		    	cout << "\n !! No functon selected !!";
+		} // end switch
+	} // end while
+	while (iMode != 0);
+	return 0; // so far, we are ok
+}// end main
+\ No newline at end of file