CMake/Help/guide/tutorial/Step1/tutorial.cxx
2019-06-18 10:36:16 -04:00

21 lines
469 B
C++

// A simple program that computes the square root of a number
#include <cmath>
#include <cstdlib>
#include <iostream>
#include <string>
int main(int argc, char* argv[])
{
if (argc < 2) {
std::cout << "Usage: " << argv[0] << " number" << std::endl;
return 1;
}
double inputValue = atof(argv[1]);
double outputValue = sqrt(inputValue);
std::cout << "The square root of " << inputValue << " is " << outputValue
<< std::endl;
return 0;
}