Merge topic 'update-tutorial'

0e2cdacf7b Tests: Update style of c++ code snippets in Tutorial directions
f2ddedfa58 Tests: Update CMake tutorial
438651506a Tests: Make ExternalProjectLocal independent of Tutorial directory

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !2731

1 files changed, 18 insertions, 0 deletions

diff --git a/Tests/Tutorial/Complete/MathFunctions/MathFunctions.cxx b/Tests/Tutorial/Complete/MathFunctions/MathFunctions.cxx
new file mode 100644
index 0000000..5351184
--- /dev/null
+++ b/Tests/Tutorial/Complete/MathFunctions/MathFunctions.cxx
@@ -0,0 +1,18 @@
+
+#include "MathFunctions.h"
+#include <cmath>
+
+#ifdef USE_MYMATH
+#  include "mysqrt.h"
+#endif
+
+namespace mathfunctions {
+double sqrt(double x)
+{
+#ifdef USE_MYMATH
+  return detail::mysqrt(x);
+#else
+  return std::sqrt(x);
+#endif
+}
+}