Add abstract class GeometricObject

[linpy.git] / pypol / polyhedra.py

diff --git a/pypol/polyhedra.py b/pypol/polyhedra.py
index a08213dcde53eb14de5573363a98eefd3cfaa6eb..2eaa7b583803f1b1746a4abb169d0560ed9d4eba 100644 (file)
--- a/pypol/polyhedra.py
+++ b/pypol/polyhedra.py
@@ -6,6 +6,7 @@ import numbers
 from . import islhelper
 
 from .islhelper import mainctx, libisl
+from .geometry import GeometricObject
 from .coordinates import Point
 from .linexprs import Expression, Symbol, Rational
 from .domains import Domain
@@ -33,11 +34,7 @@ class Polyhedron(Domain):
             if inequalities is not None:
                 raise TypeError('too many arguments')
             return cls.fromstring(equalities)
-        elif isinstance(equalities, Polyhedron):
-            if inequalities is not None:
-                raise TypeError('too many arguments')
-            return equalities
-        elif isinstance(equalities, Domain):
+        elif isinstance(equalities, GeometricObject):
             if inequalities is not None:
                 raise TypeError('too many arguments')
             return equalities.aspolyhedron()