def cocode(i, gc_ref):
syn0 = 0
if gc_ref:
gc_list = gc(gc_ref)
if len(gc_list): syn0 = gc_list[0]
c = Cocode(i)
return c.syndrome_list(syn0)
def display_leech_vector(x):
"""Display a vector in the Leech lattice mod 2
Here parameter ``x`` is a vector in the Leech lattice mod 2
in Leech lattice encoding.
"""
gcode = PLoop(x >> 12)
bl = gcode.bit_list
print("GCode:\n", bl)
if len(bl) == 16:
l = [x for x in range(24) if not x in bl]
pos = bl[0]
elif len(gcode):
pos = bl[0]
else:
pos = 0
cocode = Cocode(x) + gcode.theta()
print("Cocode:", cocode.syndrome_list(pos))