SimPHash/Src/EnumReg/Table.mqh

//+-------------------------------------------------------------------+
//| Include generado por la herramienta PerfectHash SimPHash          |
//| Esta heramienta forma parte del ecositema TSN                     |
//| Repositorio: https://forge.mql5.io/nique_372/SimPHash             |
//+-------------------------------------------------------------------+
#property copyright "Copyright 2026, Niquel Mendoza"
#property link "https://www.mql5.com/"
#property strict


//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
#include <TSN/Tables/AllHashes.mqh>
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
#define SIMPHASH_ENUMREG_TABLE_SIZE (8ULL)
#define SIMPHASH_ENUMREG_TABLE_SIZE_LAST (7ULL)
#define SIMPHASH_ENUMREG_BUCKET_SIZE (4ULL)
#define SIMPHASH_ENUMREG_BUCKET_SIZE_LAST (3ULL)

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
namespace TSN
{
const ulong g_simphash_enum_reg_seeds[SIMPHASH_ENUMREG_BUCKET_SIZE] = 
{
1ULL,
0ULL,
1ULL,
0ULL
};

const ulong g_simphash_enum_reg_hashes[SIMPHASH_ENUMREG_TABLE_SIZE] = 
{
13403357614718791261ULL, // HASH_UL1_SPLITMIX
6164940960123561931ULL, // HASH_UL1_FIBBO:
0ULL, // invalid
0ULL, // invalid
9986671065094935476ULL, // TSN_PHASH_TYPE_FNV1A_64
14868990445489101911ULL, // HASH_UL1_FMIX
1930730962192812994ULL, // HASH_UL1_MUR_MUR
17911910621320999858ULL
};

 long g_simphash_enum_reg_values[SIMPHASH_ENUMREG_TABLE_SIZE] = 
{
1, // HASH_UL1_SPLITMIX
3, // HASH_UL1_FIBBO:
-1,
-1,
0, // TSN_PHASH_TYPE_FNV1A_64
2, // HASH_UL1_FMIX
0, // HASH_UL1_MUR_MUR
1 // TSN_PHASH_TYPE_XXHASH_64
};

/*
long TempHashCustom(const string& key)
{
//---
  const int len = StringLen(key);
  ulong key_hash = 14695981039346656037ULL;
  FNV1a_64_AsM_Str(key, len, key_hash, 1099511628211ULL)

  const int seed_index = int(key_hash & SIMPHASH_ENUMREG_BUCKET_SIZE_LAST);
//---
  ulong h = key_hash + g_simphash_enum_reg_seeds[seed_index] * 0x9e3779b97f4a7c15;
  h = (h ^ (h >> 30)) * 0xbf58476d1ce4e5b9;
  h = (h ^ (h >> 27)) * 0x94d049bb133111eb;
  h ^= (h >> 31);

 const int fi = int(h & SIMPHASH_ENUMREG_TABLE_SIZE_LAST);
  return g_simphash_enum_reg_hashes[fi] == key_hash ? g_simphash_enum_reg_values[fi] : -1;
}

long TempHashCustom(const ulong key_hash)
{
  const int seed_index = int(key_hash & SIMPHASH_ENUMREG_BUCKET_SIZE_LAST);
//---
  ulong h = key_hash + g_simphash_enum_reg_seeds[seed_index] * 0x9e3779b97f4a7c15;
  h = (h ^ (h >> 30)) * 0xbf58476d1ce4e5b9;
  h = (h ^ (h >> 27)) * 0x94d049bb133111eb;
  h ^= (h >> 31);

 const int fi = int(h & SIMPHASH_ENUMREG_TABLE_SIZE_LAST);
  return g_simphash_enum_reg_hashes[fi] == key_hash ? g_simphash_enum_reg_values[fi] : -1;
}
*/
}