62 lines
No EOL
2.2 KiB
MQL5
62 lines
No EOL
2.2 KiB
MQL5
//+------------------------------------------------------------------+
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//| MurMur.mqh |
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//| Copyright 2026, Niquel Mendoza. |
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//| https://www.mql5.com/ |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2026, Niquel Mendoza."
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#property link "https://www.mql5.com/"
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#property strict
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#ifndef SIMPHASH_SRC_HASH_UL1_MURMUR_MQH
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#define SIMPHASH_SRC_HASH_UL1_MURMUR_MQH
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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#include "..\\Def.mqh"
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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namespace TSN
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{
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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class CHash1MurMur : public IHashGeneratorWSeed
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{
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public:
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CHash1MurMur(void) {}
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~CHash1MurMur(void) {}
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ulong Hash(const ulong v, const ulong seed) override final
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{
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ulong h = v ^ seed;
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h ^= h >> 16;
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h *= 0x45d9f3b37197344d;
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h ^= h >> 16;
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h *= 0x45d9f3b37197344d;
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h ^= h >> 16;
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return h;
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}
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void BuildString(string& data, const string& table_seeds_name) override final
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{
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data += "//---\r\n";
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data += StringFormat(" ulong h = key_hash ^ %s[seed_index];\r\n", table_seeds_name);
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data += " h ^= h >> 16;\r\n";
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data += " h *= 0x45d9f3b37197344d;\r\n";
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data += " h ^= h >> 16;\r\n";
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data += " h *= 0x45d9f3b37197344d;\r\n";
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data += " h ^= h >> 16;\r\n";
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data += "\r\n";
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}
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void AddIncludes(string& data) override final
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{
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// Nada
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}
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};
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}
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//+------------------------------------------------------------------+
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#endif // SIMPHASH_SRC_HASH_UL1_MURMUR_MQH |