slight efficiency in vertextract

fastalgorithms · Mar 29, 2024 · 49b71b2 · 49b71b2
1 parent 346d9d0
commit 49b71b2
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/chunkie/@chunkgraph/vertextract.m b/chunkie/@chunkgraph/vertextract.m
@@ -25,10 +25,13 @@
 
 % author: Jeremy Hoskins
 
+irel = find(cgrph.v2emat(:,ivert) ~= 0);
 % extract the indices of the edges which terminate at ivert.
-ieplus = find(cgrph.edgesendverts(2,:) ==  ivert);
+ieplus = find(cgrph.edgesendverts(2,irel) ==  ivert);
+ieplus = irel(ieplus);
 % extract the indices of the edges which begin at ivert.
-ieminus  = find(cgrph.edgesendverts(1,:) == ivert);
+ieminus  = find(cgrph.edgesendverts(1,irel) == ivert);
+ieminus = irel(ieminus);
 
 % for each incoming edge, get the tangent vector near the end (at the 
 % last discretization node)