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Expand file tree Collapse file tree Original file line number Diff line number Diff line change 88# if it's not a prime, the chance of it returning true is at most 1/4**prec
99def is_prime_big (n , prec = 1000 ):
1010 """
11- >>> from maths.prime_check import prime_check
12- >>> # all(is_prime_big(i) == prime_check (i) for i in range(1000)) # 3.45s
13- >>> all(is_prime_big(i) == prime_check (i) for i in range(256))
11+ >>> from maths.prime_check import is_prime
12+ >>> # all(is_prime_big(i) == is_prime (i) for i in range(1000)) # 3.45s
13+ >>> all(is_prime_big(i) == is_prime (i) for i in range(256))
1414 True
1515 """
1616 if n < 2 :
Original file line number Diff line number Diff line change @@ -62,10 +62,8 @@ def test_primes(self):
6262 self .assertTrue (is_prime (29 ))
6363
6464 def test_not_primes (self ):
65- self .assertFalse (
66- is_prime (- 19 ),
67- "Negative numbers are excluded by definition of prime numbers." ,
68- )
65+ with self .assertRaises (AssertionError ):
66+ is_prime (- 19 )
6967 self .assertFalse (
7068 is_prime (0 ),
7169 "Zero doesn't have any positive factors, primes must have exactly two." ,
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