| // A simple program that computes the square root of a number |
| #include "TutorialConfig.h" |
| #include <math.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| int main(int argc, char* argv[]) |
| { |
| if (argc < 2) { |
| fprintf(stdout, "%s Version %d.%d\n", argv[0], Tutorial_VERSION_MAJOR, |
| Tutorial_VERSION_MINOR); |
| fprintf(stdout, "Usage: %s number\n", argv[0]); |
| return 1; |
| } |
| double inputValue = atof(argv[1]); |
| double outputValue = sqrt(inputValue); |
| fprintf(stdout, "The square root of %g is %g\n", inputValue, outputValue); |
| return 0; |
| } |