add comments

Geo/GEdge.h

@@ -28,7 +28,6 @@
 #include "MElement.h"
 
 // A model edge.
-
 class GEdge : public GEntity {
  protected:
   GVertex *v0, *v1;

Geo/GModel.h

@@ -31,7 +31,6 @@
 #include "SmoothNormals.h"
 
 // A geometric model. The model is a "not yet" non-manifold B-Rep.
-
 class GModel  
 {
  protected:

Geo/MEdge.h

@@ -23,6 +23,7 @@
 #include "MVertex.h"
 #include "SVector3.h"
 
+// A mesh edge.
 class MEdge {
  private:
   MVertex *_v[2];
@@ -52,26 +53,4 @@ class MEdge {
   }
 };
 
-class MEdgeLessThan {
- public:
-  bool operator()(const MEdge &e1, const MEdge &e2) const
-  {
-    int e10 = e1.getVertex(0)->getNum();
-    int e11 = e1.getVertex(1)->getNum();
-    int e20 = e2.getVertex(0)->getNum();
-    int e21 = e2.getVertex(1)->getNum();
-    int i1 = std::min(e10, e11);
-    int i2 = std::min(e20, e21);
-    if(i1 < i2)
-      return true;
-    if(i1 > i2)
-      return false;
-    int j1 = std::max(e10, e11);
-    int j2 = std::max(e20, e21);
-    if(j1 < j2)
-      return true;
-    return false;
-  }
-};
-
 #endif

Geo/MElement.h

@@ -41,6 +41,7 @@ extern int quadfaces_hexa[6][4];
 extern int quadfaces_prism[3][4];
 extern int quadfaces_pyramid[1][4];
 
+// A mesh element.
 class MElement 
 {
  private:

Geo/MFace.h

@@ -28,6 +28,7 @@
 
 extern Context_T CTX;
 
+// A mesh face.
 class MFace {
  private:
   MVertex *_v[4];

Geo/MVertex.h

@@ -26,6 +26,7 @@
 
 class GEntity;
 
+// A mesh vertex.
 class MVertex{
  private:
   static int _globalNum;