Add files via upload

prime_numbers-main.cpp

@@ -34,7 +34,8 @@ int main()
 
 	do
 	{
-		cout	<< "\n";
+		cls();
+		cout << "\n";
 
 		//=== user input ===
 		int lowerBound = 0;
@@ -45,18 +46,22 @@ int main()
 		int inputStage = 0; // used to control std::couts of inputFunction()
 
 		inputStage++;
-		lowerBound = inputFunction(inputStage, 0);
+		lowerBound    = inputFunction(inputStage, 0);
 
 		inputStage++;
-		upperBound = inputFunction(inputStage, lowerBound);
+		upperBound    = inputFunction(inputStage, lowerBound+1);
 
 		inputStage++;
 		amountColumns = inputFunction(inputStage, 1);
 		}
 
+
 		//=== output of corrected user input ===
 		cls();
-
+		cout << "\n "
+			 << "lower bound: "    << lowerBound    << "\n "
+			 << "upper bound: "    << upperBound    << "\n "
+			 << "amount columns: " << amountColumns << "\n ";
 
 
 		//=== output - header ===

prime_numbers-user_input.cpp

@@ -17,7 +17,7 @@ using std::string;
 using std::stoi;
 
 
-//==============================================================================
+//=== core function ============================================================
 
 
 int inputFunction(int inputStage, int comparable)
@@ -51,14 +51,16 @@ int inputFunction(int inputStage, int comparable)
 		if (input == "help")
 		{
 			return 0;
-		}
+		}	// WIP
 
-		if (stoi(input) <= comparable)
+		if (stoi(input) < comparable)
 		{
-			cout << " error: input value MUST NOT be lower than " << comparable << "!";
+			cout << " "
+				 << "===== ERROR: input value MUST NOT be lower than " << comparable << "! ====="
+				 << "\n\n";
 		}
 	}
-	while (stoi(input) <= comparable);
+	while (stoi(input) < comparable);
 
 	return stoi(input);
 }