From 78e52566c69dd15b1c7dc2263da2a913dd77a073 Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Thu, 4 Nov 2021 08:31:48 -0400
Subject: [PATCH] Use `round()` for magnitude check

---
 piker/calc.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/piker/calc.py b/piker/calc.py
index d5d8d4e1..eb3ef4c6 100644
--- a/piker/calc.py
+++ b/piker/calc.py
@@ -43,11 +43,15 @@ def humanize(
     if not number or number <= 0:
         return round(number, ndigits=digits)
 
-    mag = math.floor(math.log(number, 10))
+    mag = round(math.log(number, 10))
     if mag < 3:
         return round(number, ndigits=digits)
 
-    maxmag = max(itertools.takewhile(lambda key: mag >= key, _mag2suffix))
+    maxmag = max(
+        itertools.takewhile(
+            lambda key: mag >= key, _mag2suffix
+        )
+    )
 
     return "{value}{suffix}".format(
         value=round(number/10**maxmag, ndigits=digits),