refactoring

Geo/GModelIO_GEO.cpp

@@ -63,6 +63,10 @@ void GEO_Internals::resetPhysicalGroups()
 
 void GEO_Internals::addVertex(int num, double x, double y, double z, double lc)
 {
+  if(FindPoint(num)){
+    Msg::Error("GEO vertex with tag %d already exists", num);
+    return;
+  }
   Vertex *v = Create_Vertex(num, x, y, z, lc, 1.0);
   Tree_Add(Points, &v);
 }
@@ -70,6 +74,10 @@ void GEO_Internals::addVertex(int num, double x, double y, double z, double lc)
 void GEO_Internals::addVertex(int num, double x, double y, gmshSurface *surface,
                               double lc)
 {
+  if(FindPoint(num)){
+    Msg::Error("GEO vertex with tag %d already exists", num);
+    return;
+  }
   Vertex *v = Create_Vertex(num, x, y, surface, lc);
   Tree_Add(Points, &v);
 }

Parser/Gmsh.tab.hpp

@@ -478,7 +478,7 @@
 
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
-#line 117 "Gmsh.y"
+#line 118 "Gmsh.y"
 {
   char *c;
   int i;