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random.initRand crashes in Nim 0.20.0 JS backend #11450

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dom96 opened this issue Jun 9, 2019 · 0 comments

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@dom96
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commented Jun 9, 2019

Under certain circumstances initRand crashes with a RangeError.

Code

import random
proc onLoad() {.exportC.} =
  let r = initRand(1560090106546000100)


when isMainModule and defined(c):
  onLoad()

Works when compiled and run with c. But fails with the following under js:

Error: Error: unhandled exception: value out of range [RangeError]
Traceback (most recent call last)
a2.onLoad, line: 3
random.initRand, line: 540

The value that I used above was generated by randomise

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