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        <type>uint64_t</type>
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          <type>const int</type>
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<para>rotating left shift helper According to the original authors, this will on most platforms reduce to a single instruction </para>
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<para>generate the next random number and update the state. This is the workhorse, here! </para>
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<para>Advance the internal state by 2^64 steps; useful when coordinating multiple independent RNGs This is the jump function for the generator. It is equivalent to 2^64 calls to next(); it can be used to generate 2^64 non-overlapping subsequences for parallel computations. </para>
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<para>step of the SPLITMIX64 RNG; only used internally for seeding This RNG isn&apos;t as good as XOROSHIRO128+, so it&apos;s only used to initialize a 128 bit state from a seed. </para>
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<para>Seed the 128 bit state from a 64 bit seed. </para>
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