Fix Cayley distance calculation bug causing Mat::elem() size mismatch

Copilot · osorensen · Copilot · commit 73cbd461e48d · 2026-01-23T09:37:54.000Z
Co-authored-by: osorensen &lt;21175639+osorensen@users.noreply.github.com&gt;
diff --git a/src/distances.cpp b/src/distances.cpp
@@ -27,8 +27,8 @@ unsigned int CayleyDistance::d(const uvec& r1, const uvec& r2) {
     if(tmp2(i) != r2(i)) {
       distance += 1;
       unsigned int tmp1 = tmp2(i);
-      tmp2(i) = r2(i);
       uvec inds = find(tmp2 == r2(i));
+      tmp2(i) = r2(i);
       tmp2.elem(inds).fill(tmp1);
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -27,8 +27,8 @@ unsigned int CayleyDistance::d(const uvec& r1, const uvec& r2) {`
`27`	`27`	`if(tmp2(i) != r2(i)) {`
`28`	`28`	`distance += 1;`
`29`	`29`	`unsigned int tmp1 = tmp2(i);`
`30`		`- tmp2(i) = r2(i);`
`31`	`30`	`uvec inds = find(tmp2 == r2(i));`
	`31`	`+ tmp2(i) = r2(i);`
`32`	`32`	`tmp2.elem(inds).fill(tmp1);`
`33`	`33`	`}`
`34`	`34`	`}`