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

1 files changed, 19 insertions, 0 deletions

diff --git a/Help/guide/tutorial/Step12/MathFunctions/MathFunctions.cxx b/Help/guide/tutorial/Step12/MathFunctions/MathFunctions.cxx
new file mode 100644
index 0000000..0145300
--- /dev/null
+++ b/Help/guide/tutorial/Step12/MathFunctions/MathFunctions.cxx
@@ -0,0 +1,19 @@
+
+#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
+}
+}