hw5.cpp

// Programmer: Jennifer Leopold date: September 25, 2014

// File: hw5.cpp

// Purpose: This program will calculate various health

// functions as selected from a menu.

//

// To compile: fg++ hw5.cpp hw5fncts.cpp -o hw5

//

// To execute: ./hw5

#include <iostream>

#include "hw5.h"

using namespace std;

int main()

{

bool invalidSelection; // true when invalid menu selection

short menuChoice; // user's selection from menu

float serumCreatine, // the various attributes of a user

leftLegLength, // that may need to be input to

rightLegLength, // calculate a health function

bodyMassIndexValue;

short height, weight,

age,

poundsBaconEaten;

bool heartDiseasePredisposition;

// Greet user

greet();

// Display menu and perform desired functionality until

// user wants to quit

do

{

cout << "1. Body Mass Index (BMI)\n";

cout << "2. Creatinine Clearance (CC)\n";

cout << "3. Coronary Risk (CR)\n";

cout << "4. Totter Index (TI)\n";

cout << "5. Quit\n";

// Loop until user makes valid selection

do

{

cout << "Please enter selection (1-5): ";

cin >> menuChoice;

invalidSelection = (menuChoice < 1) || (menuChoice > 5);

if (invalidSelection)

cout << "Invalid selection!\n";

} while (invalidSelection);

// Perform corresponding calculation

switch (menuChoice)

{

case 1: height = promptForNonNegativeShort("height (in)");

weight = promptForNonNegativeShort("weight (lbs)");

cout << "Body mass index = "

<< bodyMassIndex(weight, height) << endl;

break;

case 2: age = promptForNonNegativeShort("age (yrs)");

weight = promptForNonNegativeShort("weight (kg)");

serumCreatine = promptForNonNegativeFloat

("serum creatine value");

cout << "Creatinine clearance = "

<< creatineClearance(age, weight,

serumCreatine)

<< endl;

break;

case 3: bodyMassIndexValue = promptForNonNegativeFloat

("BMI");

heartDiseasePredisposition =

promptForBool("heart disease predisposition");

poundsBaconEaten = promptForNonNegativeOrZeroShort

("pounds of bacon eaten");

cout << "Coronary risk = "

<< coronaryRisk(bodyMassIndexValue,

heartDiseasePredisposition,

poundsBaconEaten)

<< endl;

break;

case 4: leftLegLength = promptForNonNegativeOrZeroFloat

("left leg length (in)");

rightLegLength = promptForNonNegativeOrZeroFloat

("right leg length (in)");

cout << "Totter index = "

<< totterIndex(leftLegLength,

rightLegLength)

<< endl;

}

cout << endl;

} while (menuChoice != 5);

// Sign off

goodbye();

return 0;

}