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95 lines
2.1 KiB
Scheme
95 lines
2.1 KiB
Scheme
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(import (chibi) (chibi math prime) (chibi test))
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(test-begin "prime")
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(test 7 (modular-inverse 3 10))
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(test 4 (modular-inverse 3 11))
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(test 27 (modular-inverse 3 40))
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(test 43 (modular-inverse 3 64))
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(test #f (prime? 1))
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(test #t (prime? 2))
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(test #t (prime? 3))
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(test #f (prime? 4))
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(test #t (prime? 5))
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(test #f (prime? 6))
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(test #t (prime? 7))
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(test #f (prime? 8))
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(test #f (prime? 9))
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(test #f (prime? 10))
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(test #t (prime? 11))
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(test 2 (nth-prime 0))
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(test 3 (nth-prime 1))
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(test 5 (nth-prime 2))
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(test 7 (nth-prime 3))
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(test 11 (nth-prime 4))
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(test 997 (nth-prime 167))
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(test 1009 (nth-prime 168))
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(test 1013 (nth-prime 169))
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(test 907 (prime-above 888))
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(test 797 (prime-below 808))
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(test 1 (totient 2))
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(test 2 (totient 3))
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(test 2 (totient 4))
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(test 4 (totient 5))
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(test 2 (totient 6))
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(test 6 (totient 7))
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(test 4 (totient 8))
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(test 6 (totient 9))
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(test 4 (totient 10))
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(test #f (perfect? 1))
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(test #f (perfect? 2))
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(test #f (perfect? 3))
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(test #f (perfect? 4))
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(test #f (perfect? 5))
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(test #t (perfect? 6))
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(test #f (perfect? 7))
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(test #f (perfect? 8))
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(test #f (perfect? 9))
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(test #f (perfect? 10))
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(test #t (perfect? 28))
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(test #t (perfect? 496))
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(test #t (perfect? 8128))
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(test '(1) (factor 1))
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(test '(2) (factor 2))
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(test '(3) (factor 3))
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(test '(2 2) (factor 4))
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(test '(5) (factor 5))
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(test '(2 3) (factor 6))
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(test '(7) (factor 7))
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(test '(2 2 2) (factor 8))
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(test '(3 3) (factor 9))
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(test '(2 5) (factor 10))
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(test '(11) (factor 11))
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(test '(2 2 3) (factor 12))
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(test '(2 3 3) (factor 18))
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(test '(2 2 2 3 3) (factor 72))
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(test '(3 3 3 5 7) (factor 945))
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(test 975 (aliquot 945))
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(do ((i 3 (+ i 2)))
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((>= i 101))
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(test (number->string i) (prime? i)
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(probable-prime? i)))
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(test #t (probable-prime? 4611686020149081683))
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(test #t (probable-prime? 4611686020243253179))
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(test #t (probable-prime? 4611686020243253219))
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(test #t (probable-prime? 4611686020243253257))
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(test #f (probable-prime? 4611686020243253181))
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(test #f (probable-prime? 4611686020243253183))
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(test #f (probable-prime? 4611686020243253247))
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(test 5
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(modular-expt 7670626353261554806
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5772301760555853353
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(* 2936546443 3213384203)))
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(test-end)
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