diff options
author | Brad King <brad.king@kitware.com> | 2020-01-14 14:06:26 (GMT) |
---|---|---|
committer | Kitware Robot <kwrobot@kitware.com> | 2020-01-14 14:06:40 (GMT) |
commit | 710371ca2f5032462e8dc352da869834bb421261 (patch) | |
tree | 10aaf87b7b2cedfc27a80ee0f55aa5aa9bea3071 /Help/guide/tutorial/Step12/MathFunctions/MakeTable.cxx | |
parent | a2a91eb1416a5a48b7ba55973f3805998d0a643a (diff) | |
parent | a7d25358a0ad1a9d8c80413dd620e773363e1b76 (diff) | |
download | CMake-710371ca2f5032462e8dc352da869834bb421261.zip CMake-710371ca2f5032462e8dc352da869834bb421261.tar.gz CMake-710371ca2f5032462e8dc352da869834bb421261.tar.bz2 |
Merge topic 'tutorial'
a7d25358a0 Tutorial: Add the PRIVATE keyword to target_link_libraries command
cf2afb1065 Tutorial: Remove 'Consumer' example
77b515f3eb Tutorial: Improve "MultiPackage" example
3a510a47b0 Tutorial: Add links to relevant CMake documentation
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !4113
Diffstat (limited to 'Help/guide/tutorial/Step12/MathFunctions/MakeTable.cxx')
-rw-r--r-- | Help/guide/tutorial/Step12/MathFunctions/MakeTable.cxx | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Help/guide/tutorial/Step12/MathFunctions/MakeTable.cxx b/Help/guide/tutorial/Step12/MathFunctions/MakeTable.cxx new file mode 100644 index 0000000..ee58556 --- /dev/null +++ b/Help/guide/tutorial/Step12/MathFunctions/MakeTable.cxx @@ -0,0 +1,25 @@ +// 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); + const bool 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 +} |