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Minor changes in comments.

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cedricbonhomme 2011-12-28 15:33:46 +01:00
parent ab0e7abf00
commit 94e3112189
1 changed files with 10 additions and 3 deletions
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13
stegano/generators.py
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@ -28,7 +28,7 @@ import itertools
def fermat():
"""
Return the n-th Fermat Number.
Generate the n-th Fermat Number.
"""
n = 0
while True:
@ -37,7 +37,7 @@ def fermat():
def mersenne():
"""
Return 2^k-1.
Generate 2^n-1.
"""
n = 0
while True:
@ -59,7 +59,9 @@ def eratosthenes():
yield i
def eratosthenes_composite():
""" Generate the composite numbers with the sieve of Eratosthenes. """
"""
Generate the composite numbers with the sieve of Eratosthenes.
"""
p1 = 3
for p2 in eratosthenes():
for n in range(p1 + 1, p2):
@ -75,6 +77,9 @@ def carmichael():
yield m
def ackermann(m, n):
"""
Ackermann number.
"""
if m == 0:
return n + 1
elif n == 0:
@ -85,6 +90,8 @@ def ackermann(m, n):
def fibonacci():
"""
A generator for Fibonacci numbers, goes to next number in series on each call.
This generator start at 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, ...
See: http://oeis.org/A000045
"""
a, b = 1, 2
while True: