9 lines
333 B
JavaScript
9 lines
333 B
JavaScript
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export function unsafeUniformIntDistributionInternal(rangeSize, rng) {
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var MaxAllowed = rangeSize > 2 ? ~~(0x100000000 / rangeSize) * rangeSize : 0x100000000;
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var deltaV = rng.unsafeNext() + 0x80000000;
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while (deltaV >= MaxAllowed) {
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deltaV = rng.unsafeNext() + 0x80000000;
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}
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return deltaV % rangeSize;
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}
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