Tutorial: Refactor MathFunctions code

Propagate the refactor in Step 10 MathFunctions through all of the
steps. Use MathFunctions/MathFunctions.cxx instead of Tutorial.cxx
to determine which sqrt library is called. Adds .h files which
correspond to their .cxx files by name.

1 files changed, 2 insertions, 7 deletions

diff --git a/Help/guide/tutorial/Step2/tutorial.cxx b/Help/guide/tutorial/Step2/tutorial.cxx
index 87f5e0f..7a2a595 100644
--- a/Help/guide/tutorial/Step2/tutorial.cxx
+++ b/Help/guide/tutorial/Step2/tutorial.cxx
@@ -3,11 +3,8 @@
 #include <iostream>
 #include <string>
 
-#include "TutorialConfig.h"
-
-// TODO 11: Only include MathFunctions if USE_MYMATH is defined
-
 // TODO 5: Include MathFunctions.h
+#include "TutorialConfig.h"
 
 int main(int argc, char* argv[])
 {
@@ -22,9 +19,7 @@ int main(int argc, char* argv[])
   // convert input to double
   const double inputValue = std::stod(argv[1]);
 
-  // TODO 12: Use mysqrt if USE_MYMATH is defined and sqrt otherwise
-
-  // TODO 6: Replace sqrt with mysqrt
+  // TODO 6: Replace sqrt with mathfunctions::sqrt
 
   // calculate square root
   const double outputValue = sqrt(inputValue);