C Program to Add Two Complex Numbers by Passing Structure to a Function

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Program:

#include <stdio.h>
typedef struct complex
{
    float real;
    float imag;
} complex;
complex add(complex n1,complex n2);

int main()
{
    complex n1, n2, temp;

    printf("For 1st complex number \n");
    printf("Enter real and imaginary part respectively:\n");
    scanf("%f %f", &n1.real, &n1.imag);

    printf("\nFor 2nd complex number \n");
    printf("Enter real and imaginary part respectively:\n");
    scanf("%f %f", &n2.real, &n2.imag);

    temp = add(n1, n2);
    printf("Sum = %.1f + %.1fi", temp.real, temp.imag);

    return 0;
}

complex add(complex n1, complex n2)
{
      complex temp;

      temp.real = n1.real + n2.real;
      temp.imag = n1.imag + n2.imag;

      return(temp);
}

Output:

For 1st complex number
Enter real and imaginary part respectively: 2.3
4.5

For 2nd complex number
Enter real and imaginary part respectively: 3.4
5
Sum = 5.7 + 9.5i

Explanation:

This program takes two complex numbers as structures and adds them with the use of functions.

In this program, structures n1 and n2 are passed as an argument of function add().

This function computes the sum and returns the structure variable temp to the main()function.


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