/****************************
 *                          *
 *                          *
 *    CSCI 1470, Fall 2005  *
 *          MP10            *
 * Purpose: Manipulate data *
 *     using strings.       *
 ****************************/

#include <iostream>
#include <iomanip>

//constant variables
const int MAXROWS = 100;
const int MAXCOLUMNS = 100;

//prototypes for the functions
void get_data(double [][MAXCOLUMNS] ,int&,int&);
double max(double [][MAXCOLUMNS], int, int);
double min(double [][MAXCOLUMNS], int, int);
double sum(double [][MAXCOLUMNS], int, int);
double avg(double [][MAXCOLUMNS], int, int);
void printdata(double [][MAXCOLUMNS], int, int);


using namespace std;

int main(void)
{

	int num_row, num_column;

	double a[MAXROWS][MAXCOLUMNS];

	get_data(a, num_row, num_column);

	//output the returns of the functions
	cout << endl << endl << "The max of the matrix is: " << setprecision(3) << fixed << showpoint << max(a,num_row,num_column) << endl;

	cout << "The min of the matrix is: " << min(a,num_row,num_column) << endl;

	cout << "The sum of the matrix is: " << sum(a,num_row,num_column) << endl;

	cout << "The average of the matrix is: " << avg(a, num_row,num_column) << endl << endl << endl;

	cout << "The entered data was:" << endl << endl;

	printdata(a,num_row,num_column);

	cout << endl;


	return 0;
}//end of function main

//function gets data from the user
void get_data(double x[][MAXCOLUMNS], int& num_row, int& num_column)
{
	cout << "Enter number of rows(less than or equal to 100): ";
	cin >> num_row;
	cout << endl << "Enter the number of columns(less than or equal to 100): ";
	cin >> num_column;

	for (int i=0; i<num_row; ++i)
		for (int j=0; j<num_column; ++j)
		{
			cout << "Enter a value for row " << i << " and column " << j << " :";
			cin >> x[i][j];
		}
	return;
}//end of function get_data

//function returns the max of the entered data
double max(double x[][MAXCOLUMNS], int num_rows, int num_columns)
{
	double temp;
	temp = x[0][0];
	for (int i=0; i<num_rows; ++i)
	{
		for (int j=0; j<num_columns; ++j)
		{
			if (x[i][j] > temp)
				temp = x[i][j];
		}
	}
	return temp;
}//end of function max

//function returns the min of the entered data
double min(double x[][MAXCOLUMNS], int num_rows, int num_columns)
{
	double temp;
	temp = x[0][0];
	for (int i=0; i<num_rows; ++i)
		for (int j=0; j<num_columns; ++j)
		{
			if (x[i][j] < temp)
				temp = x[i][j];
		}

	return temp;
}//end of fucntion min

//function returns the sum of the entered data
double sum(double x[][MAXCOLUMNS], int num_rows, int num_columns)
{
	double temp =0;

	for (int i=0; i<num_rows; ++i)
		for (int j=0; j<num_columns; ++j)
			temp = temp + x[i][j];

	return temp;
}//end of function sum

//function returns the average of the entered data
double avg(double x[][MAXCOLUMNS], int num_rows, int num_columns)
{
	double temp, divide;

	divide = num_rows * num_columns;

	temp = sum(x,num_rows,num_columns)/divide;

	return temp;
}//end of function avg

//function prints the users data out row by row
void printdata(double x[][MAXCOLUMNS], int num_rows, int num_columns)
{
	for (int i=0; i<num_rows; ++i)
	{	
		cout << endl;
		for (int j=0; j<num_columns; ++j)
			cout << x[i][j] << " ";
	}
	return;
}//end of function printdata