switching to high quality piper tts and added label translations

2026-01-29 23:48:19 +01:00
commit d80c619df9
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+"""Implementation of :class:`CompositeDomain` class. """
+
+
+from sympy.polys.domains.domain import Domain
+from sympy.polys.polyerrors import GeneratorsError
+
+from sympy.utilities import public
+
+@public
+class CompositeDomain(Domain):
+    """Base class for composite domains, e.g. ZZ[x], ZZ(X). """
+
+    is_Composite = True
+
+    gens, ngens, symbols, domain = [None]*4
+
+    def inject(self, *symbols):
+        """Inject generators into this domain.  """
+        if not (set(self.symbols) & set(symbols)):
+            return self.__class__(self.domain, self.symbols + symbols, self.order)
+        else:
+            raise GeneratorsError("common generators in %s and %s" % (self.symbols, symbols))
+
+    def drop(self, *symbols):
+        """Drop generators from this domain. """
+        symset = set(symbols)
+        newsyms = tuple(s for s in self.symbols if s not in symset)
+        domain = self.domain.drop(*symbols)
+        if not newsyms:
+            return domain
+        else:
+            return self.__class__(domain, newsyms, self.order)
+
+    def set_domain(self, domain):
+        """Set the ground domain of this domain. """
+        return self.__class__(domain, self.symbols, self.order)
+
+    @property
+    def is_Exact(self):
+        """Returns ``True`` if this domain is exact. """
+        return self.domain.is_Exact
+
+    def get_exact(self):
+        """Returns an exact version of this domain. """
+        return self.set_domain(self.domain.get_exact())
+
+    @property
+    def has_CharacteristicZero(self):
+        return self.domain.has_CharacteristicZero
+
+    def characteristic(self):
+        return self.domain.characteristic()