diff --git a/src/lib.rs b/src/lib.rs
index 8d824c0..9f87698 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -123,4 +123,14 @@ pub mod math {
     pub mod y1f;
     pub mod yn;
     pub mod ynf;
-}
\ No newline at end of file
+}
+
+
+
+// FIXME: Scuffed
+#[no_mangle]
+extern "C" fn __truncdfsf2(_x: f64) -> f32 {
+    0.0
+}
+
+