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++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter6: User-defined Functions
Section: Chapter Questions
Problem 19PE
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Question
![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 (,
}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F04c52921-cfa4-41e1-9a17-e97aadee2312%2Fe08d64a2-ac27-40af-9cac-506c59d604e0%2Fdy19rw_processed.png&w=3840&q=75)
Transcribed Image Text: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 (,
}
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