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This commit is contained in:
Isidro Arias 2023-04-06 11:21:52 +02:00
parent 08bc970b7a
commit 044810991a
1 changed files with 2 additions and 2 deletions
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4
data_structures/hashing/bloom_filter.py
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@ -45,7 +45,7 @@ class Bloom:
def hash(self, value):
res = 0b0
for func in HASH_FUNCTIONS:
for func in self.HASH_FUNCTIONS:
b = func(value.encode()).digest()
position = int.from_bytes(b, "little") % self.size
res |= 2**position
@ -77,7 +77,7 @@ def test_probability(m=64, n=20):
for a in added:
b.add(a)
k = len(b.HASH_FUNCIONS)
k = len(b.HASH_FUNCTIONS)
n_ones = bin(b.bitstring).count("1")
expected_probability = (n_ones / m) ** k