sage.rings.real_double.RealDoubleField_class: Inherit through a new c…

…lass sage.rings.abc.RealDoubleField
sagemath · Sep 26, 2021 · 99f4f10 · 99f4f10
1 parent cee081a
commit 99f4f10
Show file tree

Hide file tree

Showing 3 changed files with 8 additions and 2 deletions.
diff --git a/src/sage/rings/abc.pxd b/src/sage/rings/abc.pxd
@@ -3,3 +3,8 @@ from .ring cimport Field
 cdef class RealField(Field):
 
     pass
+
+
+cdef class RealDoubleField(Field):
+
+    pass
diff --git a/src/sage/rings/real_double.pxd b/src/sage/rings/real_double.pxd
@@ -1,7 +1,8 @@
 from sage.structure.element cimport RingElement, ModuleElement, Element, FieldElement
 from sage.rings.ring cimport Field
+cimport sage.rings.abc
 
-cdef class RealDoubleField_class(Field):
+cdef class RealDoubleField_class(sage.rings.abc.RealDoubleField):
     cdef _new_c(self, double value)
 
 cdef class RealDoubleElement(FieldElement):

diff --git a/src/sage/rings/real_double.pyx b/src/sage/rings/real_double.pyx
@@ -87,7 +87,7 @@ def is_RealDoubleField(x):
     """
     return isinstance(x, RealDoubleField_class)
 
-cdef class RealDoubleField_class(Field):
+cdef class RealDoubleField_class(sage.rings.abc.RealDoubleField):
     """
     An approximation to the field of real numbers using double
     precision floating point numbers. Answers derived from calculations
-Original file line number
+Diff line change
@@ Expand Up / @@ -3,3 +3,8 @@ from .ring cimport Field @@
     cdef class RealField(Field):
         pass
+    cdef class RealDoubleField(Field):
+        pass