Fixed #43.

tBuLi · Apr 30, 2024 · 4da76b7 · 4da76b7
1 parent 429ad4a
commit 4da76b7
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/kingdon/multivector.py b/kingdon/multivector.py
@@ -230,13 +230,16 @@ def sub(self, other):
     __sub__ = sub
 
     def __rsub__(self, other):
-        return other + (-self)
+        return self.algebra.sub(other, self)
 
     def div(self, other):
         return self.algebra.div(self, other)
 
     __truediv__ = div
 
+    def __rtruediv__(self, other):
+        return self.algebra.div(other, self)
+
     def __str__(self):
         if not len(self.values()):
             return '0'

diff --git a/tests/test_kingdon.py b/tests/test_kingdon.py
@@ -816,3 +816,8 @@ def test_mv_times_func():
     assert y @ x == yfunc @ x
     assert x >> y == x >> yfunc
     assert y >> x == yfunc >> x
+
+def test_43():
+    alg = Algebra(2)
+    x = alg.vector(name='x')
+    assert x.inv() == 1 / x