add use costheta

.gitignore

@@ -4,6 +4,5 @@ spack*
 ./Generator/output/
 ./Generator/options/
 
-.vscode/
 InstallArea/
 venv

.vscode/settings.json

-{
-    "files.associations": {
-        "*.sycl": "cpp",
-        "*.hpp": "cpp",
-        "*.h": "cpp",
-        "*.c": "cpp",
-        "*.cpp": "cpp",
-        "array": "cpp",
-        "bitset": "cpp",
-        "initializer_list": "cpp",
-        "list": "cpp",
-        "random": "cpp",
-        "type_traits": "cpp",
-        "vector": "cpp",
-        "xhash": "cpp",
-        "xstring": "cpp",
-        "xtree": "cpp",
-        "xutility": "cpp",
-        "cmath": "cpp"
-    }
-}
\ No newline at end of file