From 03af0e30f1a6a9e75f82b5827c1078f42db48e45 Mon Sep 17 00:00:00 2001
From: jangorecki <j.gorecki@wit.edu.pl>
Date: Thu, 11 Jan 2024 17:06:36 +0100
Subject: [PATCH] extra comments

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

diff --git a/src/froll.c b/src/froll.c
index 01a77936e2..a6f80aa706 100644
--- a/src/froll.c
+++ b/src/froll.c
@@ -415,7 +415,7 @@ void frollmax(unsigned int algo, double *x, uint64_t nx, ans_t *ans, int k, int
   } else { // algo==1
     frollmaxExact(x, nx, ans, k, fill, narm, hasna, verbose);
   }
-  if (ans->status < 3 && align < 1) {
+  if (ans->status < 3 && align < 1) { // non-error && align!="right" // see comment in frollmean function
     int k_ = align==-1 ? k-1 : floor(k/2);
     if (verbose)
       snprintf(end(ans->message[0]), 500, _("%s: align %d, shift answer by %d\n"), __func__, align, -k_);