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-rw-r--r--Help/guide/tutorial/Step5/MathFunctions/MathFunctions.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/Help/guide/tutorial/Step5/MathFunctions/MathFunctions.h b/Help/guide/tutorial/Step5/MathFunctions/MathFunctions.h
index cd36bccffd..d5c2f224bf 100644
--- a/Help/guide/tutorial/Step5/MathFunctions/MathFunctions.h
+++ b/Help/guide/tutorial/Step5/MathFunctions/MathFunctions.h
@@ -1 +1,5 @@
-double mysqrt(double x);
+#pragma once
+
+namespace mathfunctions {
+double sqrt(double x);
+}