[ECP 1016]Tutorial 10, Question 2(All)

//https://www.facebook.com/AminproPastebin

#include <stdio.h>

struct Complex{
    float real;
    float imag;
};

//Function Prototypes
struct Complex complex_add(struct Complex, struct Complex);
void complex_mul(struct Complex, struct Complex, struct Complex *);


int main(void){
struct Complex z1, z2, add, mul;


//user input
printf("First complex number...\n");
printf("Enter the real part: \n");
scanf("%f", &z1.real);
printf("Enter the imaginary part: \n");
scanf("%f", &z1.imag);

printf("Second complex number...\n");
printf("Enter the real part: \n");
scanf("%f", &z2.real);
printf("Enter the imaginary part: \n");
scanf("%f", &z2.imag);

//calling function
add = complex_add(z1, z2);
complex_mul(z1, z2, &mul);

//print
printf("addition result: %.2f%+.2fi\n", add.real, add.imag);
printf("Multiplication result: %.2f%+.2fi\n", mul.real, mul.imag);


return 0;
    }


//function definition

struct Complex complex_add(struct Complex n1, struct Complex n2){
struct Complex result;

result.real = n1.real + n2.real;
result.imag = n1.imag + n2.imag;
return result;
}

void complex_mul(struct Complex n1, struct Complex n2,
struct Complex *result){

result -> real = (n1.real*n2.real) - (n1.imag*n2.imag);
result -> imag = (n1.real*n2.imag) + (n1.imag*n2.real);
}