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# Random Number Generator tests
func main():
!! Default RNG:
>> random:int64()
>> original_rng := RNG.new([:Byte])
>> copy := original_rng:copy()
for rng in [original_rng, copy]:
!! RNG: $rng
>> rng:int(1, 1000)
= 921
>> rng:int64(1, 1000)
= Int64(324)
>> rng:int32(1, 1000)
= Int32(586)
>> rng:int16(1, 1000)
= Int16(453)
>> rng:int8(1, 100)
= Int8(53)
>> rng:byte()
= Byte(0xDC)
>> rng:bytes(10)
= [:Byte, 0xA0, 0x5A, 0x10, 0x3F, 0x6C, 0xD1, 0x35, 0xC2, 0x87, 0x8C]
>> rng:bool(p=0.8)
= yes
>> rng:num()
= 0.03492503353647658
>> rng:num32(1, 1000)
= Num32(761.05908)
!! Random array methods:
>> nums := [10*i for i in 10]
>> nums:shuffled(rng=rng)
= [30, 50, 100, 20, 90, 10, 80, 40, 70, 60]
>> nums:random(rng=rng)
= 70
>> nums:sample(10, weights=[1.0/Num(i) for i in nums.length], rng=rng)
= [10, 20, 10, 10, 30, 70, 10, 40, 60, 80]
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