From 6ec1fb46aba4b72623e4aab1a682466f68f5fdf3 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 28 Jan 2024 23:35:49 -0800
Subject: [PATCH] =?utf8?q?seq:=20say=20why=20not=20=E2=80=98x=20+=3D=20ste?=
 =?utf8?q?p=E2=80=99?=
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* src/seq.c (print_numbers): Add comment.
---
 src/seq.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/seq.c b/src/seq.c
index 3d2c1c2ea2..ad16f27018 100644
--- a/src/seq.c
+++ b/src/seq.c
@@ -307,7 +307,11 @@ print_numbers (char const *fmt, struct layout layout,
             write_error ();
           if (out_of_range)
             break;
+
+          /* Mathematically equivalent to 'x += step;', and typically
+             less subject to rounding error.  */
           x = first + i * step;
+
           out_of_range = (step < 0 ? x < last : last < x);
 
           if (out_of_range)
-- 
2.47.2