From f23d0ad3fbf184ff79d865c5ed885f809adcc238 Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Thu, 3 Nov 2022 01:12:39 +0100
Subject: [PATCH] Update gradation.py

---
 gradation.py | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/gradation.py b/gradation.py
index a4e59a7..9990861 100755
--- a/gradation.py
+++ b/gradation.py
@@ -6,10 +6,14 @@ import math
 
 
 class Gradation:
-    grams_per_liter: int
+    mg_per_liter: int
 
     def __init__(self, grams_per_liter: Union[float, int]):
-        self.grams_per_liter = int(grams_per_liter)
+        self.mg_per_liter = int(grams_per_liter * 1000)
+
+    @property
+    def grams_per_liter(self) -> float:
+        return self.mg_per_liter / 1000
 
     def get_nm(self) -> float:
         return self.grams_per_liter / 10
@@ -44,16 +48,21 @@ def test():
     assert round(g1.get_kmw(), 1) == 15
     assert round(g1.get_oe(), 0) == 73
 
+    for i in range(14 * 10, 22 * 10):
+        kmw = i / 10
+        g2 = Gradation.from_kmw(kmw)
+        assert kmw == round(g2.get_kmw(), 1), f"{kmw} != {g2.get_kmw():.1f}"
+
 
 def print_all():
     for i in range(14 * 2, 22 * 2):
         kmw = i / 2
         g = Gradation.from_kmw(kmw)
-        print(f"{kmw} -> {g.get_kmw():.1f} °KMW, {g.get_oe():3.0f} °Oe, {g.get_nm():.1f} °NM, {g.grams_per_liter}")
+        print(f"{kmw} -> {g.get_kmw():.1f} °KMW, {g.get_oe():3.0f} °Oe, {g.get_nm():.1f} °NM, {g.grams_per_liter:.1f}")
     print("================================")
     for oe in range(65, 110):
         g = Gradation.from_oe(oe)
-        print(f"{oe:3} -> {g.get_kmw():.1f} °KMW, {g.get_oe():3.0f} °Oe, {g.get_nm():.1f} °NM, {g.grams_per_liter}")
+        print(f"{oe:3} -> {g.get_kmw():.1f} °KMW, {g.get_oe():3.0f} °Oe, {g.get_nm():.1f} °NM, {g.grams_per_liter:.1f}")
 
 
 if __name__ == '__main__':