Well19937c started from the same seed yields different sequence

[ibartha-vir]

spire version: 0.17.0-M1
scala version: 2.12.10

    val time = System.nanoTime
    println(spire.random.rng.Well19937c.fromTime(time).nextDouble)
    println(spire.random.rng.Well19937c.fromTime(time).nextDouble)
    println(spire.random.rng.Well19937c.fromTime(time).nextDouble)
    println(spire.random.rng.Well19937c.fromTime(time).nextDouble)
    println(spire.random.rng.Well19937c.fromTime(time).nextDouble)

The above prints 6 different numbers even though they are started from the same seed.

[lourkeur]

Reproduced. This looks like it's by design on all fromTime constructors. If you need reproducible sequences, you can use fromSeed and randomSeed. See https://scastie.scala-lang.org/762xcRuhSX67GOuXK2KA1w

[ibartha-vir]

Thanks!