Files
CMake/Help/guide/tutorial/Step7/MathFunctions/MakeTable/MakeTable.cxx
Vito Gamberini b2e3e3e30e Tutorial: Rewrite using conventions enabled by CMake 3.23
This is a full re-write of the CMake Tutorial for CMake 3.23, both
the functionality it provides, as well as the modern workflows that
developers use when interfacing with CMake.

Issue: #22663, #23086, #23799, #26053, #26105, #26153, #26914
2025-09-17 11:57:23 -04:00

26 lines
627 B
C++

// A simple program that builds a sqrt table
#include <cmath>
#include <fstream>
#include <iostream>
int main(int argc, char* argv[])
{
// make sure we have enough arguments
if (argc < 2) {
return 1;
}
std::ofstream fout(argv[1], std::ios_base::out);
bool const fileOpen = fout.is_open();
if (fileOpen) {
fout << "double sqrtTable[] = {" << std::endl;
for (int i = 0; i < 10; ++i) {
fout << sqrt(static_cast<double>(i)) << "," << std::endl;
}
// close the table with a zero
fout << "0};" << std::endl;
fout.close();
}
return fileOpen ? 0 : 1; // return 0 if wrote the file
}