dd8a810f2b* Various coding style updates * Remove unnecessary change to blocks.cpp * Formatting * Re-add necessary node_config default constructor
24 lines
385 B
C++
24 lines
385 B
C++
#pragma once
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#include <array>
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namespace nano
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{
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class xorshift1024star final
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{
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public:
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std::array<uint64_t, 16> s;
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unsigned p{ 0 };
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uint64_t next ()
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{
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auto p_l (p);
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auto pn ((p_l + 1) & 15);
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p = pn;
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uint64_t s0 = s[p_l];
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uint64_t s1 = s[pn];
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s1 ^= s1 << 31; // a
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s1 ^= s1 >> 11; // b
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s0 ^= s0 >> 30; // c
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return (s[pn] = s0 ^ s1) * 1181783497276652981LL;
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}
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};
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}
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