fixes

src/main/kotlin/function/stubs/LnStub.kt

@@ -0,0 +1,10 @@
+package function.stubs
+
+import function.base.ILn
+
+class LnStub : ILn {
+    override fun ln(
+        x: Double,
+        eps: Double,
+    ): Double = 1.0
+}