Merge topic 'help-guide-tutorial'

8ab8563533 Help: Add tutorial guide table of contents
0a6c9c417a Help: Update tutorial to include text from CMake book
eef3e020c2 Help: Populate tutorial guide text
862cfc0e6c Help/guide/tutorial: Adopt tutorial code
d2fde94809 Help: Add infrastructure for guide-level documentation
f067af8e38 Tests/Tutorial: Remove trailing blank lines
d5a81ef747 Tests/Tutorial: Remove unused file

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !3439

1 files changed, 25 insertions, 0 deletions

diff --git a/Help/guide/tutorial/Step7/MathFunctions/MakeTable.cxx b/Help/guide/tutorial/Step7/MathFunctions/MakeTable.cxx
new file mode 100644
index 0000000..ee58556
--- /dev/null
+++ b/Help/guide/tutorial/Step7/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
+}