From f4c8cd82086a24527e60dd292624c506b4455638 Mon Sep 17 00:00:00 2001
From: Nao Pross <np@0hm.ch>
Date: Sun, 10 Mar 2024 22:43:20 +0100
Subject: Fix PolyRingExpr.__neg__

---
 mdpoly/algebra.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mdpoly/algebra.py b/mdpoly/algebra.py
index 1e4b775..1fbabda 100644
--- a/mdpoly/algebra.py
+++ b/mdpoly/algebra.py
@@ -168,7 +168,8 @@ class PolyRingExpr(Expr):
         return PolyAdd(other, self)
 
     def __neg__(self):
-        return PolyMul(self._constant(-1), self)
+        # FIXME: Create PolyNeg?
+        return PolyMul(PolyConst(-1), self)
 
     def __mul__(self, other):
         self._assert_same_algebra(self, other)
-- 
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