Minor style changes

Author: kwankyu

src/sage/rings/polynomial/multi_polynomial.pyx

@@ -2,13 +2,15 @@ r"""
 Base class for elements of multivariate polynomial rings
 """
 
-#*****************************************************************************
+# ********************************************************************
+#       Copyright (C) 2005 William Stein <[email protected]>
+#
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 2 of the License, or
 # (at your option) any later version.
 #                  https://www.gnu.org/licenses/
-#*****************************************************************************
+# ********************************************************************
 
 from sage.rings.integer cimport Integer
 from sage.rings.integer_ring import ZZ
@@ -33,9 +35,9 @@ from sage.rings.polynomial.polynomial_element cimport Polynomial
 
 cdef class MPolynomial(CommutativePolynomial):
 
-    ####################
+    # -------------------------
     # Some standard conversions
-    ####################
+    # -------------------------
     def _scalar_conversion(self, R):
         r"""
         TESTS::
@@ -360,7 +362,6 @@ cdef class MPolynomial(CommutativePolynomial):
         """
         return multi_derivative(self, args)
 
-
     def polynomial(self, var):
         r"""
         Let ``var`` be one of the variables of the parent of ``self``.  This

src/sage/rings/polynomial/multi_polynomial_libsingular.pyx

@@ -149,13 +149,15 @@ AUTHORS:
 
 """
 
-#*****************************************************************************
+# ********************************************************************
+#       Copyright (C) 2005 William Stein <[email protected]>
+#
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 2 of the License, or
 # (at your option) any later version.
-#                  http://www.gnu.org/licenses/
-#*****************************************************************************
+#                  https://www.gnu.org/licenses/
+# ********************************************************************
 
 # The Singular API is as follows:
 #
@@ -1530,9 +1532,9 @@ cdef class MPolynomialRing_libsingular(MPolynomialRing_base):
 
         return old
 
-    ### The following methods are handy for implementing Groebner
-    ### basis algorithms. They do only superficial type/sanity checks
-    ### and should be called carefully.
+    # The following methods are handy for implementing Groebner
+    # basis algorithms. They do only superficial type/sanity checks
+    # and should be called carefully.
 
     def monomial_quotient(self, MPolynomial_libsingular f, MPolynomial_libsingular g, coeff=False):
         r"""
@@ -1677,7 +1679,6 @@ cdef class MPolynomialRing_libsingular(MPolynomialRing_base):
         else:
             return True
 
-
     def monomial_lcm(self, MPolynomial_libsingular f, MPolynomial_libsingular g):
         """
         LCM for monomials. Coefficients are ignored.
@@ -5242,7 +5243,6 @@ cdef class MPolynomial_libsingular(MPolynomial_libsingular_base):
             y += base_map(c)*mul([ im_gens[i]**m[i] for i in range(n) if m[i]])
         return y
 
-
     def _derivative(self, MPolynomial_libsingular var):
         """
         Differentiates this polynomial with respect to the provided
@@ -5694,7 +5694,6 @@ cdef class MPolynomial_libsingular(MPolynomial_libsingular_base):
             i.append( new_MP(self._parent, pDiff(self._poly, k)))
         return i
 
-
     def numerator(self):
         """
         Return a numerator of self computed as self * self.denominator()