From 7132c9b111110ac80912b584b5748314163974fb Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Fri, 5 May 2023 18:34:15 -0700
Subject: [PATCH] Use fabs [skip ci]

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

diff --git a/src/ivfscan.c b/src/ivfscan.c
index 23032cf..56e39d6 100644
--- a/src/ivfscan.c
+++ b/src/ivfscan.c
@@ -135,7 +135,7 @@ GetScanItems(IndexScanDesc scan, Datum value)
 		IvfflatScanList *scanlist = (IvfflatScanList *) pairingheap_remove_first(so->listQueue);
 
 		/* Query-aware dynamic pruning */
-		if (scanlist->distance > 2 * so->minDistance)
+		if (fabs(scanlist->distance) > 1.5 * fabs(so->minDistance))
 			continue;
 
 		searchPage = scanlist->startPage;