diff --git a/floorshapes.cpp b/floorshapes.cpp
index 902f3db7..daf0ef24 100644
--- a/floorshapes.cpp
+++ b/floorshapes.cpp
@@ -282,17 +282,6 @@ void generate_floorshapes() {
     }
   }
 
-  hyperpoint mid3(hyperpoint h1, hyperpoint h2, hyperpoint h3) {
-    using namespace hyperpoint_vec;
-    return mid(h1+h2+h3, h1+h2+h3);
-    }
-
-  hyperpoint mid_at(hyperpoint h1, hyperpoint h2, ld v) {
-    using namespace hyperpoint_vec;
-    hyperpoint h = h1 * (1-v) + h2 * v;
-    return mid(h, h);
-    }
-  
 namespace gp {
   int pshid[3][8][32][32][8];
   int nextid;
diff --git a/hyperpoint.cpp b/hyperpoint.cpp
index 2474e01d..02eb39b1 100644
--- a/hyperpoint.cpp
+++ b/hyperpoint.cpp
@@ -604,4 +604,15 @@ transmatrix rotmatrix(double rotation, int c0, int c1) {
   return t;
   }
 
+hyperpoint mid3(hyperpoint h1, hyperpoint h2, hyperpoint h3) {
+  using namespace hyperpoint_vec;
+  return mid(h1+h2+h3, h1+h2+h3);
+  }
+
+hyperpoint mid_at(hyperpoint h1, hyperpoint h2, ld v) {
+  using namespace hyperpoint_vec;
+  hyperpoint h = h1 * (1-v) + h2 * v;
+  return mid(h, h);
+  }  
+
 }