Question

C programming.

(30 pts) Consider the following code.

struct Triangle {

float side1;

float side2;

float side3;} t1, t2;

enum Boolean {FALSE, TRUE};

enum Boolean isEquilateral(struct Triangle * triangle);

a. (15 pts) Implement the function isEquilateral which returns enum value TRUE if the given triangle is equilateral and enum value FALSE otherwise. (Hint: in the real world, no two float values are exactly the same. If the difference of two float values is between -0.0001 and 0.0001, consider “almostEqual” and neglect the minor difference.)

b. (6 pts) Assign values of your choice to member variables of t1 to 2.5, 4.5, and 4.5, respectively.

c. (4 pts) Call the function isEquilateral on triangle t1 and capture the returned value in variable result.

d. (5 pts) Copy the content from t1 to t2 without having to individually copy each member.

Answer 1

Full Working C Code:

#include<stdio.h>
#include <stdbool.h>
struct Triangle
{
float side1;
float side2;
float side3;
}t1,t2;
//Enum with two values
enum Boolean { TRUE, FALSE };
/*
Function to check if the triangle is an Equilateral Triangle or not i.e
are all the 3 sides equal or not
*/
bool isEquilateral( struct Triangle object)
{
enum Boolean b;
if ( object.side1 == object.side2 && object.side2 == object.side3)
b = TRUE;
else
b = FALSE;
return b;
//Returns either True (0) or False (1)
}
int main()
{
//Initialize varibales of object t1
t1.side1 = 4.5;
t1.side2 = 4.5;
t1.side3 = 4.5;
//Copy all the fields in t2 object also
t2 = t1;
//call the method for checking if Triangle is Equilateral or not
int checkForEquilateral = isEquilateral(t2);
if(checkForEquilateral == 0)
{
printf("Equilateral Triangle");
}
else
{
printf("Not an Equilateral Triangle");
}
return 0;
}

Snapshots of Code:

Output:

a.)

bool isEquilateral( struct Triangle object)
{
enum Boolean b;
if ( object.side1 == object.side2 && object.side2 == object.side3)
b = TRUE;
else
b = FALSE;
return b;
//Returns either True (0) or False (1)
}

b.)

t1.side1 = 2.5;
t1.side2 = 4.5;
t1.side3 = 4.5;

c.)

int checkForEquilateral = isEquilateral(t1);

d.)

t2 = t1;