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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]