From e19e790e95f14ca69a7ce9c5e45d815fe21df36e Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Tue, 10 Jul 2012 12:33:43 +0000
Subject: [PATCH] It seems bondflip is fixed. Before 'for' loops I had to set j=0 in vertex.c and triangle.c in remove_neighbour

---
 src/energy.c |   60 ++++++++++++++++++++++++++++++------------------------------
 1 files changed, 30 insertions(+), 30 deletions(-)

diff --git a/src/energy.c b/src/energy.c
index 7cd96f5..4d93753 100644
--- a/src/energy.c
+++ b/src/energy.c
@@ -23,7 +23,7 @@
 inline ts_bool energy_vertex(ts_vertex *vtx){
 //    ts_vertex *vtx=&vlist->vertex[n]-1; // Caution! 0 Indexed value!
 //    ts_triangle *tristar=vtx->tristar-1;
-    ts_vertex_data *data=vtx->data;
+    //ts_vertex_data *data=vtx->data;
     ts_uint jj;
     ts_uint jjp,jjm;
     ts_vertex *j,*jp, *jm;
@@ -31,21 +31,21 @@
     ts_double s=0,xh=0,yh=0,zh=0,txn=0,tyn=0,tzn=0;
     ts_double x1,x2,x3,ctp,ctm,tot,xlen;
     ts_double h,ht;
-    for(jj=1; jj<=data->neigh_no;jj++){
+    for(jj=1; jj<=vtx->neigh_no;jj++){
         jjp=jj+1;
-        if(jjp>data->neigh_no) jjp=1;
+        if(jjp>vtx->neigh_no) jjp=1;
         jjm=jj-1;
-        if(jjm<1) jjm=data->neigh_no;
-        j=data->neigh[jj-1];
-        jp=data->neigh[jjp-1];
-        jm=data->neigh[jjm-1];
+        if(jjm<1) jjm=vtx->neigh_no;
+        j=vtx->neigh[jj-1];
+        jp=vtx->neigh[jjp-1];
+        jm=vtx->neigh[jjm-1];
 //        printf("tristar_no=%u, neigh_no=%u, jj=%u\n",data->tristar_no,data->neigh_no,jj);
-        jt=data->tristar[jj-1];
+        jt=vtx->tristar[jj-1];
         x1=vtx_distance_sq(vtx,jp); //shouldn't be zero!
         x2=vtx_distance_sq(j,jp); // shouldn't be zero!
-        x3=(j->data->x-jp->data->x)*(data->x-jp->data->x)+
-           (j->data->y-jp->data->y)*(data->y-jp->data->y)+
-           (j->data->z-jp->data->z)*(data->z-jp->data->z);
+        x3=(j->x-jp->x)*(vtx->x-jp->x)+
+           (j->y-jp->y)*(vtx->y-jp->y)+
+           (j->z-jp->z)*(vtx->z-jp->z);
         
 #ifdef TS_DOUBLE_DOUBLE
         ctp=x3/sqrt(x1*x2-x3*x3);
@@ -58,9 +58,9 @@
 #endif
         x1=vtx_distance_sq(vtx,jm);
         x2=vtx_distance_sq(j,jm);
-        x3=(j->data->x-jm->data->x)*(data->x-jm->data->x)+
-           (j->data->y-jm->data->y)*(data->y-jm->data->y)+
-           (j->data->z-jm->data->z)*(data->z-jm->data->z);
+        x3=(j->x-jm->x)*(vtx->x-jm->x)+
+           (j->y-jm->y)*(vtx->y-jm->y)+
+           (j->z-jm->z)*(vtx->z-jm->z);
 #ifdef TS_DOUBLE_DOUBLE
         ctm=x3/sqrt(x1*x2-x3*x3);
 #endif
@@ -74,21 +74,21 @@
         tot=0.5*tot;
         xlen=vtx_distance_sq(j,vtx);
 #ifdef  TS_DOUBLE_DOUBLE 
-        data->bond[jj-1]->bond_length=sqrt(xlen); 
+        vtx->bond[jj-1]->bond_length=sqrt(xlen); 
 #endif
 #ifdef  TS_DOUBLE_FLOAT
-        data->bond[jj-1]->bond_length=sqrtf(xlen); 
+        vtx->bond[jj-1]->bond_length=sqrtf(xlen); 
 #endif
 #ifdef  TS_DOUBLE_LONGDOUBLE 
-        data->bond[jj-1]->bond_length=sqrtl(xlen); 
+        vtx->bond[jj-1]->bond_length=sqrtl(xlen); 
 #endif
 
-        data->bond[jj-1]->bond_length_dual=tot*data->bond[jj-1]->bond_length;
+        vtx->bond[jj-1]->bond_length_dual=tot*vtx->bond[jj-1]->bond_length;
 
         s+=tot*xlen;
-        xh+=tot*(j->data->x - data->x);
-        yh+=tot*(j->data->y - data->y);
-        zh+=tot*(j->data->z - data->z);
+        xh+=tot*(j->x - vtx->x);
+        yh+=tot*(j->y - vtx->y);
+        zh+=tot*(j->z - vtx->z);
         txn+=jt->xnorm;
         tyn+=jt->ynorm;
         tzn+=jt->znorm;
@@ -99,29 +99,29 @@
     s=s/4.0; 
 #ifdef TS_DOUBLE_DOUBLE
     if(ht>=0.0) {
-        data->curvature=sqrt(h);
+        vtx->curvature=sqrt(h);
     } else {
-        data->curvature=-sqrt(h);
+        vtx->curvature=-sqrt(h);
     }
 #endif
 #ifdef TS_DOUBLE_FLOAT
     if(ht>=0.0) {
-        data->curvature=sqrtf(h);
+        vtx->curvature=sqrtf(h);
     } else {
-        data->curvature=-sqrtf(h);
+        vtx->curvature=-sqrtf(h);
     }
 #endif
 #ifdef TS_DOUBLE_LONGDOUBLE
     if(ht>=0.0) {
-        data->curvature=sqrtl(h);
+        vtx->curvature=sqrtl(h);
     } else {
-        data->curvature=-sqrtl(h);
+        vtx->curvature=-sqrtl(h);
     }
 #endif
-// What is vtx->data->c?????????????? Here it is 0!
+// What is vtx->c?????????????? Here it is 0!
 // c is forced curvature energy for each vertex. Should be set to zero for
-// norman circumstances.
-    data->energy=0.5*s*(data->curvature/s-data->c)*(data->curvature/s-data->c);
+// normal circumstances.
+    vtx->energy=0.5*s*(vtx->curvature/s-vtx->c)*(vtx->curvature/s-vtx->c);
 
     return TS_SUCCESS;
 }

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