2 files changed, 11 insertions, 1 deletions
diff --git a/cv/affine.cpp b/cv/affine.cpp
index 9018e107..1b37305c 100644
--- a/cv/affine.cpp
+++ b/cv/affine.cpp
@@ -7,6 +7,8 @@
 
 #include "affine.hpp"
 
+namespace affine_impl {
+
 Affine::Affine() : R(mat33::eye()), t(0,0,0) {}
 
 Affine::Affine(const mat33& R, const vec3& t) : R(R),t(t) {}
@@ -30,3 +32,5 @@ vec3 operator*(const Affine& X, const vec3& v)
 {
     return X.R*v + X.t;
 }
+
+} // ns affine_impl
diff --git a/cv/affine.hpp b/cv/affine.hpp
index aedb0bc8..3bc85c95 100644
--- a/cv/affine.hpp
+++ b/cv/affine.hpp
@@ -9,9 +9,10 @@
 
 #include <opencv2/core.hpp>
 #include "numeric.hpp"
-using namespace types;
 
+namespace affine_impl {
 
+using namespace types;
 
 class Affine final
 {
@@ -27,3 +28,8 @@ Affine operator*(const Affine& X, const Affine& Y);
 Affine operator*(const mat33& X, const Affine& Y);
 Affine operator*(const Affine& X, const mat33& Y);
 vec3 operator*(const Affine& X, const vec3& v);
+
+} // ns affine_impl
+
+using affine_impl::Affine;
+using affine_impl::operator *;