From 7335a122dbcb5cab3aad2287cb40598e2842a486 Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Thu, 8 Jun 2023 23:02:03 -0700
Subject: [PATCH] Added comments [skip ci]

---
 src/vector.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/vector.c b/src/vector.c
index 423c2ba..e053ad6 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -903,6 +903,7 @@ vector_accum(PG_FUNCTION_ARGS)
 		{
 			double		v = statevalues[i + 1] + x[i];
 
+			/* Check for overflow */
 			if (isinf(v))
 			{
 				pfree(statedatums);
@@ -974,6 +975,7 @@ vector_combine(PG_FUNCTION_ARGS)
 		{
 			double		v = statevalues1[i] + statevalues2[i];
 
+			/* Check for overflow */
 			if (isinf(v))
 			{
 				pfree(statedatums);