Added missing dlib namespace

dlib/numerical_integration/integrate_function_adapt_simpson.h

@@ -7,9 +7,11 @@
 
 // ----------------------------------------------------------------------------------------
 
-template <typename T, typename funct>
-T impl_adapt_simp_stop(const funct& f, T a, T b, T fa, T fm, T fb, T is, int cnt)
+namespace dlib
 {
+    template <typename T, typename funct>
+    T impl_adapt_simp_stop(const funct& f, T a, T b, T fa, T fm, T fb, T is, int cnt)
+    {
         const int MAXINT = 500;
 
         T m   = (a + b)/2.0;
@@ -37,18 +39,18 @@ T impl_adapt_simp_stop(const funct& f, T a, T b, T fa, T fm, T fb, T is, int cnt
         }
 
         return Q;
-}
+    }
 
 // ----------------------------------------------------------------------------------------
 
-template <typename T, typename funct>
-T integrate_function_adapt_simp(
+    template <typename T, typename funct>
+    T integrate_function_adapt_simp(
         const funct& f,
         T a,
         T b,
         T tol = 1e-10
-)
-{
+    )
+    {
         T eps = std::numeric_limits<T>::epsilon();
         if(tol < eps)
         {
@@ -73,6 +75,7 @@ T integrate_function_adapt_simp(
         int cnt = 0;
 
         return impl_adapt_simp_stop(f, a, b, fa, fm, fb, is, cnt);
+    }
 }
 
 // ----------------------------------------------------------------------------------------

dlib/numerical_integration/integrate_function_adapt_simpson_abstract.h

@@ -3,14 +3,17 @@
 #undef DLIB_INTEGRATE_FUNCTION_ADAPT_SIMPSON_ABSTRACT__
 #ifdef DLIB_INTEGRATE_FUNCTION_ADAPT_SIMPSON_ABSTRACT__
 
-template <typename T, typename funct>
-T integrate_function_adapt_simp(
+namespace dlib
+{
+
+    template <typename T, typename funct>
+    T integrate_function_adapt_simp(
         const funct& f, 
         T a, 
         T b, 
         T tol = 1e-10
-);
-/*!
+    );
+    /*!
         requires 
             - b > a
             - tol > 0
@@ -21,9 +24,11 @@ T integrate_function_adapt_simp(
             - returns an approximation of the integral of f over the domain [a,b] using the
               adaptive Simpson method outlined in Gander, W. and W. Gautshi, "Adaptive
               Quadrature -- Revisited" BIT, Vol. 40, (2000), pp.84-101
-        - tol is a tolerance parameter that determines the overall accuracy of approximated
-          integral.  We suggest a default value of 1e-10 for tol. 
-!*/
+            - tol is a tolerance parameter that determines the overall accuracy of
+              approximated integral.  We suggest a default value of 1e-10 for tol. 
+    !*/
+
+}
 
 #endif // DLIB_INTEGRATE_FUNCTION_ADAPT_SIMPSON__