finish "step7":exercise 1

Author: YuZhen-Yang

Step7/CMakePresets.json

@@ -7,6 +7,9 @@
       "description": "Preset to use with the tutorial",
       "binaryDir": "${sourceDir}/build",
       "cacheVariables": {
+        "CMAKE_CXX_COMPILER":"g++-13",
+        "CMAKE_EXPORT_COMPILE_COMMANDS":"ON",
+
         "TUTORIAL_USE_STD_SQRT": "OFF",
         "TUTORIAL_ENABLE_IPO": "OFF"
       }

Step7/MathFunctions/CMakeLists.txt

@@ -14,6 +14,7 @@ target_sources(MathFunctions
 target_link_libraries(MathFunctions
   PRIVATE
     MathLogger
+    GeneratedTable
 
   PUBLIC
     OpAdd
@@ -52,3 +53,4 @@ endif()
 add_subdirectory(MathLogger)
 add_subdirectory(MathExtensions)
 # TODO9: Add the MakeTable subdirectory to the project
+add_subdirectory(MakeTable)

Step7/MathFunctions/MakeTable/CMakeLists.txt

@@ -1,15 +1,33 @@
 # TODO1: Add a MakeTable executable
-
+add_executable(MakeTable)
 # TODO2: Add MakeTable.cxx to the MakeTable executable
-
+target_sources(
+    MakeTable
+    PRIVATE
+    MakeTable.cxx
+)
 # TODO3: Add a custom command which invokes MakeTable to generate SqrtTable.h
-
+add_custom_command(
+    OUTPUT SqrtTable.h
+    COMMAND MakeTable SqrtTable.h
+    DEPENDS MakeTable
+    VERBATIM
+)
 # TODO4: Add a custom target which depends on SqrtTable.h
-
+add_custom_target(GenerateSqrtTable DEPENDS SqrtTable.h)
 # TODO5: Add an INTERFACE library to describe the SqrtTable header
-
+add_library(GeneratedTable INTERFACE)
 # TODO6: Add the current binary directory (and optionally the SqrtTable.h FILE)
 #        to a header file set of the interface library
+target_sources(GeneratedTable
+    INTERFACE
+        FILE_SET HEADERS
+        BASE_DIRS
+            ${CMAKE_CURRENT_BINARY_DIR}
+        FILES
+            ${CMAKE_CURRENT_BINARY_DIR}/SqrtTable.h
+            )
 
 # TODO7: Use add_dependencies to ensure the custom target always runs before
 #        targets that depend on the interface library
+add_dependencies(GeneratedTable GenerateSqrtTable)

Step7/MathFunctions/MathFunctions.cxx

@@ -56,7 +56,8 @@ double fallback_mysqrt(double x)
 }
 
 // TODO10: Replace this hardcoded sqrtTable with #include <SqrtTable.h>
-double sqrtTable[] = { 0, 1, 1, 2, 2, 2, 2, 3, 3, 3 };
+#include "SqrtTable.h"
+// double sqrtTable[] = { 0, 1, 1, 2, 2, 2, 2, 3, 3, 3 };
 
 double table_sqrt(double x)
 {