In this activity you need to complete the function complexAbsolute in the provided program.

Download complexAbs.c, or copy it into your current directory on a CSE system by running

$ cp /web/cs1511/17s2/week06/files/complexAbs.c .

In this exercise you have been provided with a struct to represent a Complex Number, called complex. Read the provided file and understand the given data structure.

You have also been given a main function and an incomplete double complexAbsolute(complex c). You must edit this function so that it returns the magnitude/absolute value of the complex number it has been given.

The formula for the magnitude of a complex number $z = x + iy$ is

$$r=|z|=\sqrt{x^2+y^2}$$

We’ve #included a new header file, <math.h>. This declares a function, double sqrt(double x), which returns the square root of x.

Some Examples

Enter the real part: 3
Enter the imaginary part: 4
The absolute value is 5.00.

Enter the real part: 17
Enter the imaginary part: 17
The absolute value is 24.04.

To run some simple automated tests:

$ 1511 autotest complexAbs

To run Styl-o-matic:

$ 1511 stylomatic complexAbs.c
Looks good!

You’ll get advice if you need to make changes to your code.

Submit your work with the give command, like so:

$ give cs1511 wk06_complexAbs

Or, if you are working from home, upload the relevant file(s) to the wk06_complexAbs activity on Give Online.