diff --git a/.gitignore b/.gitignore
index 0a747394c31e6f445872438f14eb0a4b9a8f4f19..5b8c2da1fc8c1b37d0285033ea752dfdcb1e8df9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,4 @@
 .Rproj.user
 .Rhistory
 .RData
-src/*.o
-src/*.so
-src/*.dll
+.Rproj
diff --git a/src/airGR.dll b/src/airGR.dll
new file mode 100644
index 0000000000000000000000000000000000000000..a1e3a6d112627aeb30df6e94718c73abf137b390
Binary files /dev/null and b/src/airGR.dll differ