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22 lines
477 B
C++
22 lines
477 B
C++
#pragma once
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#include <cstdint>
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#include <cstring>
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namespace twml {
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inline int64_t mixDiscreteIdAndValue(int64_t key, int64_t value) {
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key ^= ((17LL + value) * 2654435761LL);
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return key;
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}
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inline int64_t mixStringIdAndValue(int64_t key, int32_t str_len, const uint8_t* str) {
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const uint8_t* end = str + str_len;
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while (str != end) {
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key = (key * 31) + *str++;
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}
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return key;
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}
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} // namespace twml
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