Correction for previous commit fixing Cantor-Zassenhaus.

sagemath · Apr 15, 2014 · a47c436 · a47c436
1 parent 4858154
commit a47c436
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/src/sage/rings/polynomial/polynomial_element.pyx b/src/sage/rings/polynomial/polynomial_element.pyx
@@ -1512,7 +1512,7 @@ cdef class Polynomial(CommutativeAlgebraElement):
                             break
                         while d < allowed_deg_mult:
                             d = d+1
-                            xq = xq**q
+                            xq = pow(xq,q,self)
                             if d.divides(allowed_deg_mult):
                                 break
                         A = self.gcd(xq-x)
@@ -1537,7 +1537,7 @@ cdef class Polynomial(CommutativeAlgebraElement):
                             while True:
                                 # we waste a little effort here in computing the xq again.
                                 d = d+1
-                                xq = xq**q
+                                xq = pow(xq,q,self)
                                 if allowed_deg_mult.divides(d):
                                     break
                             A = self.gcd(xq-x)
@@ -1586,7 +1586,6 @@ cdef class Polynomial(CommutativeAlgebraElement):
                     raise ValueError, "no roots F %s"%self
             if q % 2 == 0:
                 T = x
-                cnt = 0
                 while True:
                     C = T % self
                     for i in range(degree-1):