// COMP1511 programming example
//
// Convert a measurement in feet to metres
//
// A simple program demonstrating the use of scanf,
// printf and an if statement
//
// Andrew Taylor - andrewt@unsw.edu.au
// 11/3/2017

#include <stdio.h>

int main(void) {
    double x, absoluteValue;

    printf("Enter number: ");
    scanf("%lf", &x);

    absoluteValue = x;
    if (x < 0) {
        absoluteValue = -1.0 * x;
    }

    printf("The absolute value of %f is %f\n", x, absoluteValue);
    return 0;
}