From b41df1d896fdcb191959fc3f18105f52571a688c Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Tue, 17 Sep 2019 07:57:14 +0200
Subject: Mod: Allow initialization from another Mod object

---
 lib/modular_arithmetic.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/modular_arithmetic.py b/lib/modular_arithmetic.py
index 03cb7f8..baf979a 100644
--- a/lib/modular_arithmetic.py
+++ b/lib/modular_arithmetic.py
@@ -8,6 +8,8 @@ class Mod:
     __slots__ = ['val','mod']
  
     def __init__(self, val, mod):
+        if isinstance(val, Mod):
+            val = val.val
         if not isinstance(val, int):
             raise ValueError('Value must be integer')
         if not isinstance(mod, int) or mod<=0:
-- 
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