remove unused 'pedge_flip'

diff --git a/lib/mingle/edge_bundling.cpp b/lib/mingle/edge_bundling.cpp
index 2f4b8d0272fd2d0ed026b4b7e2056eee3b97897c..e349692b5d8a2df38169053bd5df4924139ae587 100644 (file)
--- a/lib/mingle/edge_bundling.cpp
+++ b/lib/mingle/edge_bundling.cpp
@@ -86,23 +86,6 @@ void pedge_delete(pedge e){
   free(e);
 }
 
-pedge pedge_flip(pedge e){
-  /* flip the polyline so that last point becomes the first, second last the second, etc*/
-  double *y;
-  double *x = e->x;
-  int i, dim = e->dim;
-  int n = e->npoints;
-
-  y = (double*)MALLOC(sizeof(double)*e->dim);
-  for (i = 0; i < e->npoints/2; i++){
-    memcpy(y, &x[i*dim], sizeof(double)*dim);
-    memcpy(&x[(n-1-i)*dim], &x[i*dim], sizeof(double)*dim);
-    memcpy(&x[i*dim], y, sizeof(double)*dim);
-  }
-  free(y);
-  return e;
-}
-
 static double edge_compatibility(pedge e1, pedge e2){
   /* two edges are u1->v1, u2->v2.
      return 1 if two edges are exactly the same, 0 if they are very different.

diff --git a/lib/mingle/edge_bundling.h b/lib/mingle/edge_bundling.h
index 013a034dd25998e218e905b3a28f9a6a738dacae..19567b9d173e7cf4855c043f19bb1028898a0bf4 100644 (file)
--- a/lib/mingle/edge_bundling.h
+++ b/lib/mingle/edge_bundling.h
@@ -40,9 +40,6 @@ pedge pedge_new(int np, int dim, double *x);
 pedge pedge_wgt_new(int np, int dim, double *x, double wgt);
 pedge pedge_double(pedge e);
 
-/* flip the polyline so that last point becomes the first, second last the second, etc*/
-pedge pedge_flip(pedge e);
-
 #ifdef __cplusplus
 }
 #endif