diff --git a/noise/fractal/base.ipp b/noise/fractal/base.ipp
index 2a96a646..8918f71e 100644
--- a/noise/fractal/base.ipp
+++ b/noise/fractal/base.ipp
@@ -59,6 +59,15 @@ namespace util { namespace noise { namespace fractal {
     }
 
 
+    //-------------------------------------------------------------------------
+    template <typename T, typename B>
+    constexpr unsigned
+    base<T,B>::octaves (void) const
+    {
+        return m_octaves;
+    }
+
+
     //-------------------------------------------------------------------------
     template <typename T, typename B>
     T
@@ -67,7 +76,16 @@ namespace util { namespace noise { namespace fractal {
         m_H = _h;
         m_invAH = std::pow (m_amplitude, -m_H);
         m_invGH = std::pow (m_gain, m_H);
-        return H;
+        return m_H;
+    }
+
+
+    //-------------------------------------------------------------------------
+    template <typename T, typename B>
+    constexpr T
+    base<T,B>::H (void) const
+    {
+        return m_H;
     }
 
 
@@ -98,6 +116,15 @@ namespace util { namespace noise { namespace fractal {
     }
 
 
+    //-------------------------------------------------------------------------
+    template <typename T, typename B>
+    constexpr T
+    base<T,B>::lacunarity (void) const
+    {
+        return m_lacunarity;
+    }
+
+
     //-------------------------------------------------------------------------
     template <typename T, typename B>
     typename base<T,B>::seed_t
@@ -105,4 +132,13 @@ namespace util { namespace noise { namespace fractal {
     {
         return m_basis.seed (_seed);
     }
+
+
+    //-------------------------------------------------------------------------
+    template <typename T, typename B>
+    constexpr typename base<T,B>::seed_t
+    base<T,B>::seed (void) const
+    {
+        return m_basis.seed ();
+    }
 } } }