# HG changeset patch
# User John Cremona <john.cremona@gmail.com>
# Date 1217389855 14400
# Node ID 85af4c323950566913348bddd4be5c7f3893653e
# Parent 4bb3dbd8745648726c2682b39070b1d78b0c7ddb
trac#3674: fix rank 0 case
diff r 4bb3dbd87456 r 85af4c323950 sage/schemes/elliptic_curves/ell_rational_field.py
a

b

class EllipticCurve_rational_field(Ellip 
3908  3908  ###################################################################### 
3909  3909  
3910  3910  if (r == 0): 
3911   pts = self.torsion_points() 
3912   pts = [P for P in pts if P[0].is_integral()] 
3913   pts.sort() 
3914   return pts 
 3911  int_points = self.torsion_points() 
 3912  int_points = [P for P in int_points if not P.is_zero()] 
 3913  int_points = [P for P in int_points if P[0].is_integral()] 
 3914  if both_signs: 
 3915  int_points = list(set(int_points)) # remove duplicates 
 3916  else: 
 3917  xlist = set([P[0] for P in int_points]) 
 3918  int_points = [self.lift_x(x) for x in xlist] 
 3919  int_points.sort() 
 3920  if verbose: 
 3921  print 'Total number of integral points:',len(int_points) 
 3922  return int_points 
 3923  
3915  3924  
3916  3925  e = R(1).exp() 
3917  3926  pi = R(constants.pi) 