src/sage/rings/number_field/number_field.py: Remove functions deprecated in #32660 (2021)

Author: Matthias Koeppe

src/sage/rings/number_field/number_field.py

@@ -1056,39 +1056,6 @@ def is_AbsoluteNumberField(x):
     return isinstance(x, NumberField_absolute)
 
 
-def is_QuadraticField(x) -> bool:
-    r"""
-    Return ``True`` if ``x`` is of the quadratic *number* field type.
-
-    This function is deprecated. Use :func:`isinstance` with
-    :class:`~sage.rings.abc.NumberField_quadratic` instead.
-
-    EXAMPLES::
-
-        sage: from sage.rings.number_field.number_field import is_QuadraticField
-        sage: is_QuadraticField(QuadraticField(5,'a'))
-        doctest:warning...
-        DeprecationWarning: is_QuadraticField is deprecated;
-        use isinstance(..., sage.rings.abc.NumberField_quadratic instead
-        See https://github.com/sagemath/sage/issues/32660 for details.
-        True
-        sage: x = polygen(ZZ, 'x')
-        sage: is_QuadraticField(NumberField(x^2 - 5, 'b'))
-        True
-        sage: is_QuadraticField(NumberField(x^3 - 5, 'b'))
-        False
-
-    A quadratic field specially refers to a number field, not a finite
-    field::
-
-        sage: is_QuadraticField(GF(9,'a'))
-        False
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(32660, 'is_QuadraticField is deprecated; use isinstance(..., sage.rings.abc.NumberField_quadratic instead')
-    return isinstance(x, NumberField_quadratic)
-
-
 class CyclotomicFieldFactory(UniqueFactory):
     r"""
     Return the `n`-th cyclotomic field, where n is a positive integer,
@@ -1251,40 +1218,6 @@ def create_object(self, version, key, **extra_args):
 CyclotomicField = CyclotomicFieldFactory("sage.rings.number_field.number_field.CyclotomicField")
 
 
-def is_CyclotomicField(x) -> bool:
-    """
-    Return ``True`` if x is a cyclotomic field, i.e., of the special
-    cyclotomic field class. This function does not return ``True`` for a
-    number field that just happens to be isomorphic to a cyclotomic
-    field.
-
-    This function is deprecated. Use :func:`isinstance` with
-    :class:`~sage.rings.abc.NumberField_cyclotomic` instead.
-
-    EXAMPLES::
-
-        sage: from sage.rings.number_field.number_field import is_CyclotomicField
-        sage: x = polygen(ZZ, 'x')
-        sage: is_CyclotomicField(NumberField(x^2 + 1,'zeta4'))
-        doctest:warning...
-        DeprecationWarning: is_CyclotomicField is deprecated;
-        use isinstance(..., sage.rings.abc.NumberField_cyclotomic instead
-        See https://github.com/sagemath/sage/issues/32660 for details.
-        False
-        sage: is_CyclotomicField(CyclotomicField(4))
-        True
-        sage: is_CyclotomicField(CyclotomicField(1))
-        True
-        sage: is_CyclotomicField(QQ)
-        False
-        sage: is_CyclotomicField(7)
-        False
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(32660, 'is_CyclotomicField is deprecated; use isinstance(..., sage.rings.abc.NumberField_cyclotomic instead')
-    return isinstance(x, NumberField_cyclotomic)
-
-
 from . import number_field_base