28 lines
615 B
V
28 lines
615 B
V
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import rand
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import time
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fn gen_randoms(initstate i64, initseq i64, bound int) []u32 {
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mut randoms := [u32(0)].repeat(20)
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mut rnd := rand.new_pcg32( u64(initstate), u64(initseq) )
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for i in 0..20 {
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randoms[i] = rnd.bounded_next(u32(bound))
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}
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return randoms
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}
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fn test_pcg32_reproducibility() {
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t := time.ticks()
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tseq := t % 23237671
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println('t: $t | tseq: $tseq')
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randoms1 := gen_randoms(t, tseq, 1000)
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randoms2 := gen_randoms(t, tseq, 1000)
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assert randoms1.len == randoms2.len
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println( randoms1 )
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println( randoms2 )
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len := randoms1.len
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for i in 0..len {
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assert randoms1[i] == randoms2[i]
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}
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}
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