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, 7 insertions, 0 deletions

diff --git a/Help/guide/tutorial/Step5/MathFunctions/mysqrt.h b/Help/guide/tutorial/Step5/MathFunctions/mysqrt.h
new file mode 100644
index 0000000000..593d41e7a6
--- /dev/null
+++ b/Help/guide/tutorial/Step5/MathFunctions/mysqrt.h
@@ -0,0 +1,7 @@
+#pragma once
+
+namespace mathfunctions {
+namespace detail {
+double mysqrt(double x);
+}
+}