6 lines
279 B
JavaScript
6 lines
279 B
JavaScript
function random(){ return Math.random() }
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function rand(n){ return (Math.random()*n) }
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function randint(n){ return rand(n)|0 }
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function randrange(a,b){ return a + rand(b-a) }
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function randsign(){ return random() >= 0.5 ? -1 : 1 }
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function choice(a){ return a[randint(a.length)] } |