1 files changed, 98 insertions, 0 deletions
diff --git a/KnoxFunctions.cpp b/KnoxFunctions.cpp
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+++ b/KnoxFunctions.cpp
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+// functions for the project written by Jacob Knox
+// email [email protected]
+
+#include "header.h"
+#include <string>
+#include <iostream>
+
+using namespace std;
+
+void DisplayMenu(int& choice)
+{
+	const string menu =
+		"\t\t\t--MENU--\n\n\
+\t 1. Is the value positive or negative\n\
+\t 2. Is the value odd or even\n\
+\t 3. How many digits does the value have\n\
+\t 4. See the digit at a specifed position\n\
+\t 5. Show additon table\n\
+\t 6. Show multiplication table\n\
+\t 7. Exit program\n\n";
+
+	cout << menu;
+	cout << "Input Menu Choice: ";
+
+	cin >> choice;
+}
+
+void ProcessMenuChocie(int chocie, int& value)
+{
+	int digits = 0;
+	switch (chocie)
+	{
+	case 1:
+		IsPosNeg(value);
+		break;
+	case 2:
+	case 3:
+		digits = FindNumDigits(value);
+		cout << value << " has " << digits << " digits.\n";
+		break;
+	case 4:
+	case 5:
+		DisplayAdditonTable();
+		break;
+	case 6:
+	case 7:
+		return;
+	default:
+		cout << "Unknown Menu Choice. Please input a number between 1 and 6";
+		return;
+	}
+}
+
+void IsPosNeg(int value)
+{
+	if (value == 0)
+	{
+		cout << value << " is not positive or negative.\n";
+	}
+	else if (value < 0)
+	{
+		cout << value << " is negative.\n";
+	}
+	else
+	{
+		cout << value << " is positve.\n";
+	}
+}
+
+int FindNumDigits(int value)
+{
+	int digits;
+	// truncated log of an int is the number of digits
+	digits = (int) log(value);
+	return digits;
+}
+
+void DisplayAdditonTable()
+{
+	cout << "The addition table for numbers 0-12:\n";
+	for (int i = 0; i <= 12; i++)
+	{
+		for (int j = 0; j <= 12; j++)
+		{
+			// if block makes it so numbers are spaced evenly
+			int sum = i + j;
+			if (sum >= 10)
+			{
+				cout << sum << " ";
+			}
+			else 
+			{
+				cout << sum << "  ";
+			}
+		}
+		cout << "\n";
+	}
+}