ertex">qh_redundant_vertex</a>
returns true if detect and rename redundant
vertex </li>
<li><a href="merge.c#rename_sharedvertex">qh_rename_sharedvertex</a>
detect and rename a shared vertex </li>
<li><a href="merge.c#renameridgevertex">qh_renameridgevertex</a>
rename oldvertex to newvertex in a ridge </li>
<li><a href="merge.c#renamevertex">qh_renamevertex</a>
rename oldvertex to newvertex in ridges </li>
<li><a href="merge.c#remove_extravertices">qh_remove_extravertices</a>
remove extra vertices in non-si