sage.rings.polynomial: Update # needs

Author: Matthias Koeppe

src/sage/rings/polynomial/polynomial_element.pyx

@@ -666,8 +666,8 @@ cdef class Polynomial(CommutativePolynomial):
             Univariate Polynomial Ring in x over Rational Field
 
             sage: zero = QQ['x'](0)
-            sage: a = matrix(ZZ, [[1]])
-            sage: zero(a).parent()
+            sage: a = matrix(ZZ, [[1]])                                                 # needs sage.modules
+            sage: zero(a).parent()                                                      # needs sage.modules
             Full MatrixSpace of 1 by 1 dense matrices over Rational Field
 
             sage: pol(y, x).parent() is pol(x, y).parent() is pol(y, y).parent() is Pol_xy
@@ -677,11 +677,11 @@ cdef class Polynomial(CommutativePolynomial):
             Univariate Polynomial Ring in x over Rational Field
 
             sage: one = Pol_xy(1)
-            sage: one(1, 1.).parent()
+            sage: one(1, 1.).parent()                                                   # needs sage.rings.real_mpfr
             Real Field with 53 bits of precision
 
             sage: zero = GF(2)['x'](0)
-            sage: zero(1.).parent()
+            sage: zero(1.).parent()                                                     # needs sage.rings.real_mpfr
             Traceback (most recent call last):
             ...
             TypeError: no common canonical parent for objects with parents:

src/sage/rings/polynomial/term_order.py

@@ -1659,7 +1659,7 @@ def singular_str(self):
             sage: T = P.term_order()
             sage: T.singular_str()
             '(lp(3),Dp(5),lp(2))'
-            sage: P._singular_()                                                        # needs sage.rings.finite_rings
+            sage: P._singular_()                                                        # needs sage.libs.singular
             polynomial ring, over a field, global ordering
             //   coefficients: ZZ/127
             //   number of vars : 10

src/sage/rings/polynomial/toy_variety.py

@@ -203,7 +203,7 @@ def linear_representation(p, polys):
 
     EXAMPLES::
 
-        sage: # needs sage.rings.finite_rings
+        sage: # needs sage.modules sage.rings.finite_rings
         sage: from sage.rings.polynomial.toy_variety import linear_representation
         sage: R.<x,y> = PolynomialRing(GF(32003))
         sage: B = [x^2 + 1, y^2 + 1, x*y + 1]