4- The function sum_n_avg computes the sum and the average of three input arguments and relays its results through two output parameters. a) Write a prototype for a function sum_n_avg that accepts three double-type input parameters and returns two output parameters through reference (the sum and average). b) Write the function definition for function sum_n_avg. The function definition is where the actual computations are performed. c) Write a function call in main () for sum_n_avg. The function call can look like below: { double one, two, three, sum_of_3, avg_of_3; printf("Enter three numbers> "); scanf ("%lf%lf%lf", &one, &two, &three); sum_n_avg (, }
4- The function sum_n_avg computes the sum and the average of three input arguments and relays its results through two output parameters. a) Write a prototype for a function sum_n_avg that accepts three double-type input parameters and returns two output parameters through reference (the sum and average). b) Write the function definition for function sum_n_avg. The function definition is where the actual computations are performed. c) Write a function call in main () for sum_n_avg. The function call can look like below: { double one, two, three, sum_of_3, avg_of_3; printf("Enter three numbers> "); scanf ("%lf%lf%lf", &one, &two, &three); sum_n_avg (, }
C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter6: Modularity Using Functions
Section: Chapter Questions
Problem 7PP: (Numerical) Heron’s formula for the area, A, of a triangle with sides of length a, b, and c is...
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