finish "step1":exercise 3

Author: YuZhen-Yang

.gitignore

@@ -30,3 +30,6 @@ CTestTestfile.cmake
 # ===== OS =====
 .DS_Store
 Thumbs.db
+Step1/.cache/clangd/index/MathFunctions.cxx.202E5E417D0E2065.idx
+Step1/.cache/clangd/index/MathFunctions.h.25429671B54EAD80.idx
+Step1/.cache/clangd/index/Tutorial.cxx.704C168B3F6B49A5.idx

Step1/CMakeLists.txt

@@ -11,7 +11,9 @@ Tutorial/Tutorial.cxx)
 
 # TODO7: Add the MathFunctions library as a linked dependency
 #        to the Tutorial target
-
+target_link_libraries(Tutorial
+PRIVATE
+MathFunction)
 # TODO11: Add the Tutorial subdirectory to the project
 
 # TODO5: Add a library target called MathFunctions to the project

Step1/Tutorial/Tutorial.cxx

@@ -4,6 +4,7 @@
 #include <string>
 
 // TODO8: Include the MathFunctions header
+#include "MathFunctions.h"
 
 int main(int argc, char* argv[])
 {
@@ -17,7 +18,7 @@ int main(int argc, char* argv[])
 
   // TODO9: Use the mathfunctions::sqrt function
   // calculate square root
-  double const outputValue = std::sqrt(inputValue);
+  double const outputValue = mathfunctions::sqrt(inputValue);
   std::cout << "The square root of " << inputValue << " is " << outputValue
             << std::endl;
 }