cmake/Tutorial/step1/tutorial.cpp

29 lines
683 B
C++

#include <iostream>
#include <cstdlib>
#include <cmath>
#include "TutorialConfig.h"
#ifdef USE_MYMATH
#include "MathFunctions.h"
#endif
int main(int argc, char *argv[])
{
// report version
if (argc < 2)
{
std::cout << argv[0] << " version " << Tutorial_VERSION_MAJOR
<< Tutorial_VERSION_MINOR << std::endl;
std::cout << "Usage: " << argv[0] << " number" << std::endl;
return 1;
}
const double inputValue = std::stod(argv[1]);
#ifdef USE_MYMATH
const double outputValue = mysqrt(inputValue);
#else
const double outputValue = sqrt(inputValue);
#endif
printf("%.0f is %.0f\n", inputValue, outputValue);
}