From 9f2459be8cd7bd35b3921a14cf1a469dca3f6b11 Mon Sep 17 00:00:00 2001
From: Jan Palus <atler@pld-linux.org>
Date: Tue, 1 Dec 2020 17:54:54 +0100
Subject: [PATCH] net: increase speedrate precision (#2054)

more granular units need lower precision, while less granular need
higher precision. assume sane default of:

unit | precision
KB   | 0
MB   | 1
GB   | 2

Co-authored-by: Patrick Ziegler <p.ziegler96@gmail.com>
---
 src/adapters/net.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/adapters/net.cpp b/src/adapters/net.cpp
index ec89666b..1b1d8e09 100644
--- a/src/adapters/net.cpp
+++ b/src/adapters/net.cpp
@@ -229,15 +229,17 @@ namespace net {
     float time_diff = duration.count();
     float speedrate = bytes_diff / time_diff;
 
-    vector<string> suffixes{"G", "M"};
+    vector<pair<string,int>> units{make_pair("G", 2), make_pair("M", 1)};
     string suffix{"K"};
+    int precision = 0;
 
     while ((speedrate /= 1000) > 999) {
-      suffix = suffixes.back();
-      suffixes.pop_back();
+      suffix = units.back().first;
+      precision = units.back().second;
+      units.pop_back();
     }
 
-    return sstream() << std::setw(minwidth) << std::setfill(' ') << std::setprecision(0) << std::fixed << speedrate
+    return sstream() << std::setw(minwidth) << std::setfill(' ') << std::setprecision(precision) << std::fixed << speedrate
                      << " " << suffix << unit;
   }