From 721057583db22c0087563066f32428b6d5f45805 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Wed, 22 Nov 2017 12:18:07 +0100
Subject: Optimize implementation

Change the implementation from O(n) to O(1).
---
 src/util.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/util.rs b/src/util.rs
index 7730b2b..1ed9a7a 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -2,16 +2,16 @@
 pub fn adjust_times_add(mut y: i64, mut mo: i64, mut d: i64, mut h: i64, mut mi: i64, mut s: i64)
     -> (i64, i64, i64, i64, i64, i64)
 {
+    // Subtract $border from the $base as long as the $base is bigger or equal to the $border.
+    // The number of subtractions are added to $next.
     macro_rules! fix {
         {
             $base:ident,
             $border:expr,
             $next:ident
         } => {
-            while $base >= $border {
-                $next += 1;
-                $base -= $border;
-            }
+            $next += ($base - ($base % $border)) / $border;
+            $base = $base % $border;
         }
     }
 
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