1 files changed, 8 insertions, 0 deletions
diff --git a/src/math/atanh.c b/src/math/atanh.c
index 63a035d7..b0f489f3 100644
--- a/src/math/atanh.c
+++ b/src/math/atanh.c
@@ -27,3 +27,11 @@ double atanh(double x)
 	}
 	return s ? -y : y;
 }
+
+
+#ifdef TEST
+int
+main(void) {
+	return 0;
+}
+#endif