#include

#include

#include

#include

#include

using namespace std;

void getPoint(int& x, int& y);

void displayPoint(int x, int y);

double getDistance (int x1, int y1, int x2, int y2);

void orderLeftToRight(int& x1, int& y1, int& x2, int& y2);

void findClosestToOrigin(int x1, int y1, int x2, int y2,

int& closestX, int& closestY);

/****************************************************************************

Function: main

Description: Performs some calculations on points

Parameters: None

Returned: Exit Status

****************************************************************************/

int main() {

int x1, y1;

int x2, y2;

int closestX, closestY;

cout << setprecision(3) << fixed;

cout << "********************* ";

cout << "* POINTS * ";

cout << "********************* ";

cout << endl;

getPoint(x1, y1);

getPoint(x2, y2);

cout << " You entered points ";

displayPoint(x1, y1);

cout << " and ";

displayPoint(x2, y2);

cout << endl;

getDistance(x1, y1, x2, y2);

cout << endl;

orderLeftToRight(x1, y1, x2, y2);

cout << endl;

findClosestToOrigin(x1, y1, x2, y2, closestX, closestY);

cout << "(" << closestX << ", " << closestY << ")" << endl;

system("Pause");

return EXIT_SUCCESS;

}

/****************************************************************************

Function: getPoint

Description: Prompt the user for a point (x,y). Read the point from the user

Parameters: x - the x value of the point, pass by reference

y - the y value of the point, pass by reference

Returned: None

****************************************************************************/

void getPoint(int& x, int& y) {

cout << "Enter a point: ";

cin >> x >> y;

}

/****************************************************************************

Function: displayPoint

Description: Display the point to the screen

Parameters: x - the x value of the point

y - the y value of the point

Returned: None

****************************************************************************/

void displayPoint(int x, int y) {

cout << "(" << x << ", " << y << ")";

}

/****************************************************************************

Function: getDistance

Description: Calculate the distance between the points. Return distance.

Parameters: x1 - the x value of the first point

y1 - the y value of the first point

x2 - the x value of the second point

y2 - the y value of the second point

Returned: the distance between the points

****************************************************************************/

double getDistance(int x1, int y1, int x2, int y2) {

double x, y;

double s1,s2 , result;

cout << " ";

cout << endl;

cout << "The distance between the points is";

x = x2 - x1;

y = y2 - y1;

s1 = x2- x1;

s2 = y2 - y1;

result = sqrt(s1) + sqrt(s2);

printf ("(%f)", result);

cout << endl;

return 0.0;

}

/****************************************************************************

Function: orderLeftToRight

Description: Order the points from left to right using the x values.

The left most point ends up in x1, y1, the rightmost point

ends up in x2, y2

Parameters: x1 - the x value of the first point

y1 - the y value of the first point

x2 - the x value of the second point

y2 - the y value of the second point

Returned: None

****************************************************************************/

void orderLeftToRight(int& x1, int& y1, int& x2, int& y2) {

cout << "The points left to right are";

cout << "(" << x1 << ", " << y1 << ")" << " and " << "(" << x2 << ", " << y2 << ")";

cout << endl;

}

/****************************************************************************

Function: findClosestToOrigin

Description: Determine which of two points is closer to (0, 0).

Return the point via closestX, closestY

Parameters: x1 - the x value of the first point

y1 - the y value of the first point

x2 - the x value of the second point

y2 - the y value of the second point

closestX - the x value of the point closest to the origin

closestY - the y value of the point closest to the origin

Returned: None

****************************************************************************/

void findClosestToOrigin(int x1, int y1, int x2, int y2,

int& closestX, int& closestY) {

cout << "The point closest to the origin is:";

if (x1 <= x2) {

closestX = x1;

}

if (y1 <= y2) {

closestY = y1;

}

if (x2 <= x1) {

closestX = x2;

}

if (y2 <= y1) {

closestY = y2;

}

}