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Sieve of Eratosthenes - Groovy
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| def allPrimes(max) | |
| { | |
| def range = 2..max | |
| def primes = [] | |
| while(range.size() != 0) | |
| { | |
| def prime = range.first() | |
| primes << prime | |
| range = range.tail().grep { it % prime != 0 } | |
| } | |
| return primes | |
| } | |
| allPrimes(100).each{ println "$it" } | |
| assert allPrimes(100) == [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97] |
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