41 lines
583 B
C++
41 lines
583 B
C++
//
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// Created by erki on 29.04.21.
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//
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#ifndef SKULLC_UTILITY_RAND_HPP_
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#define SKULLC_UTILITY_RAND_HPP_
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#include <cstdint>
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namespace Utility
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{
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inline std::uint32_t rand32(std::uint32_t& state)
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{
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std::uint32_t x = state;
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x ^= x << 13;
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x ^= x >> 17;
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x ^= x << 5;
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state = x;
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return state;
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}
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inline std::uint64_t rand64(std::uint64_t& state)
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{
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std::uint64_t x = state;
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x ^= x << 13;
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x ^= x >> 7;
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x ^= x << 17;
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state = x;
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return state;
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}
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void srand(const std::uint32_t& seed);
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std::uint32_t rand();
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}// namespace Utility
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#endif//SKULLC_UTILITY_RAND_HPP_
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