Question

Use C

Create a function that will take in a vector (three double variables) representing a position in meters.

Calculate the magnitude of the vector in meters:

sqrt(x * x + y * y + z * z)

Calculate the magnitude of the vector in feet:

magnitudeInMeters * 3.28084

Using passing by reference, return both outputs from the same function.

Input: Three unique doubles, each one representing a component of the vector.

Output: Magnitude of the vector in meters, magnitude of the vector in feet.

TIP: You will need to #include <math.h> to use the square root function (sqrt).

TIP: You need to use pointers and pass by reference to output both values from the same function.

In your main function:

Prompt the user to enter the X component in meters, followed by the Y component, followed by the Z component.

Call your magnitude calculating function and receive both outputs.

Output the magnitude of the vector in meters.

Output the magnitude of the vector in feet.

NOTE: Your function is required to demonstrate pass by reference

Answer 1

The following code in C gives you the required functionality:

#include <stdio.h>
#include<math.h>
void mag_cal(double* mag_met, double* mag_fet,double x, double y, double z );
int main(void)
{
double x,y,z;
double mag_met, mag_fet;
printf("Enter the X component, Y component and Z component in meters, respectively: ");
scanf("%lf%lf%lf",&x,&y,&z);
mag_cal(&mag_met,&mag_fet,x,y,z);
printf("Magnitude of vector in meters: %lf\n",mag_met);
printf("Magnitude of vector in feet: %lf\n",mag_fet);
return 0;
}//end of main function

void mag_cal(double* a, double* b,double x, double y, double z )
{
*a = sqrt(x*x + y*y + z*z);
*b = 3.28084 * (*a);
}//end of calculate magnitude function

Code's output:

Enter the X component, Y component and Z component in meters, respectively: 1 1 1 Magnitude of vector in meters 1.732051 Magnitude of vector in feet 5.682582
Hope it helps, do give your valuable response.​