From ac65ec2856ec32973b7798d22f68367b84ef7cb8 Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Mon, 14 Feb 2022 19:38:59 -0800
Subject: [PATCH] Improved code [skip ci]

---
 src/ivfscan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ivfscan.c b/src/ivfscan.c
index b557fea..cc3bdfd 100644
--- a/src/ivfscan.c
+++ b/src/ivfscan.c
@@ -21,7 +21,7 @@
 static int
 CompareLists(const pairingheap_node *a, const pairingheap_node *b, void *arg)
 {
-	double		diff = (((IvfflatScanList *) a)->distance - ((IvfflatScanList *) b)->distance);
+	double		diff = ((const IvfflatScanList *) a)->distance - ((const IvfflatScanList *) b)->distance;
 
 	if (diff > 0)
 		return 1;