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authorBrad King <brad.king@kitware.com>2020-01-14 14:06:26 (GMT)
committerKitware Robot <kwrobot@kitware.com>2020-01-14 14:06:40 (GMT)
commit710371ca2f5032462e8dc352da869834bb421261 (patch)
tree10aaf87b7b2cedfc27a80ee0f55aa5aa9bea3071 /Help/guide/tutorial/Step12/MathFunctions/MakeTable.cxx
parenta2a91eb1416a5a48b7ba55973f3805998d0a643a (diff)
parenta7d25358a0ad1a9d8c80413dd620e773363e1b76 (diff)
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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.cxx25
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
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+++ 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
+}