From: Tom Clegg <tom@curii.com>
Date: Thu, 30 Dec 2021 00:19:28 +0000 (-0500)
Subject: Fix slice padding.
X-Git-Url: https://git.arvados.org/lightning.git/commitdiff_plain/b65f07682c30ec6af796d85b95b07563b65e5146

Fix slice padding.

refs #18438

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@curii.com>
---

diff --git a/slicenumpy.go b/slicenumpy.go
index 4e66938eec..8696aa53f3 100644
--- a/slicenumpy.go
+++ b/slicenumpy.go
@@ -329,7 +329,7 @@ func (cmd *sliceNumpy) RunCommand(prog string, args []string, stdin io.Reader, s
 					// pad to full slice size
 					// to avoid out-of-bounds
 					// checks later
-					if sliceSize := int(cg.EndTag - cg.StartTag); len(cg.Variants) < sliceSize {
+					if sliceSize := 2 * int(cg.EndTag-cg.StartTag); len(cg.Variants) < sliceSize {
 						cg.Variants = append(cg.Variants, make([]tileVariantID, sliceSize-len(cg.Variants))...)
 					}
 					cgs[cg.Name] = cg