replaced old with iel when appropriate

Author: corentin-prigent

src/mmg2d/delone_2d.c

@@ -262,8 +262,8 @@ int MMG2D_delone(MMG5_pMesh mesh,MMG5_pSol sol,MMG5_int ip,MMG5_int *list,int il
 
   /* Initialize tagdel field */
   for (k=0; k<ilist; k++) {
-    old = list[k];
-    pt1 = &mesh->tria[old];
+    iel = list[k];
+    pt1 = &mesh->tria[iel];
     for (i=0; i<3; i++) {
       ppt = &mesh->point[ pt1->v[i] ];
       ppt->tagdel = 0;
@@ -275,9 +275,9 @@ int MMG2D_delone(MMG5_pMesh mesh,MMG5_pSol sol,MMG5_int ip,MMG5_int *list,int il
   /* Count the number of external faces in the cavity, and tag the corresponding vertices */
   size = 0;
   for (k=0; k<ilist; k++) {
-    old  = list[k];
-    pt1  = &mesh->tria[old];
-    iadr = (old-1)*3 + 1;
+    iel  = list[k];
+    pt1  = &mesh->tria[iel];
+    iadr = (iel-1)*3 + 1;
     adja = &mesh->adja[iadr];
     nei[0]  = adja[0]/3 ;
     nei[1]  = adja[1]/3 ;
@@ -298,8 +298,8 @@ int MMG2D_delone(MMG5_pMesh mesh,MMG5_pSol sol,MMG5_int ip,MMG5_int *list,int il
   /* Check for an isolated vertex (the cavity should ne contain any internal vertex) */
   alert = 0;
   for (k=0; k<ilist; k++) {
-    old  = list[k];
-    pt1  = &mesh->tria[old];
+    iel  = list[k];
+    pt1  = &mesh->tria[iel];
     for (i=0; i<3; i++) {
       ppt = &mesh->point[ pt1->v[i] ];
       if ( !ppt->tagdel ) {
@@ -309,8 +309,8 @@ int MMG2D_delone(MMG5_pMesh mesh,MMG5_pSol sol,MMG5_int ip,MMG5_int *list,int il
   }
   /* Reset tagdel field */
   for (k=0; k<ilist; k++) {
-    old  = list[k];
-    pt1  = &mesh->tria[old];
+    iel  = list[k];
+    pt1  = &mesh->tria[iel];
     for (i=0; i<3; i++) {
       ppt = &mesh->point[ pt1->v[i] ];
       ppt->tagdel = 0;