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Update 64bit-fftmod.py #22

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Update 64bit-fftmod.py #22

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4 changes: 2 additions & 2 deletions Python3/Polynomials/64bit-fftmod.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ def pack(pack, shamt):
npack += [pack[-1]]
pack, size, shamt = npack, (size + 1) >> 1, shamt << 1
return pack[0]

#for unpacking u can use the python inbuilt function t do it
def unpack(M, size, shamt):
s, sizes = size, []
while s > 1:
Expand All @@ -38,4 +38,4 @@ def poly_mul(f, g, mod = 1000000007):
shift = ((mod - 1) ** 2 * size).bit_length()
rsize = len(f) + len(g) - 1
h = unpack(pack(f, shift) * pack(g, shift), rsize, shift * (1 << ilog2(rsize - 1)))
return [int(x % mod) for x in h]
return [int(x % mod) for x in h]