FastCollections-FastHashMap/Src/ColHash/Hash/Number/Dbl.mqh

//+------------------------------------------------------------------+
//|                                                          Dbl.mqh |
//|                                   Copyright 2026, Niquel Mendoza |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, Niquel Mendoza"
#property link      "https://www.mql5.com"
#property strict

#ifndef FASTCOLLECTIONSBYLEO_COLHASH_HASH_GENERIC_NUMBER_DBL_MQH
#define FASTCOLLECTIONSBYLEO_COLHASH_HASH_GENERIC_NUMBER_DBL_MQH

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
#include "Ul.mqh"
#include <TSN\\Tables\\Main.mqh>

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
namespace TSN
{
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
// Normlaizamos a 0.0 para eviar bgus tipo  hash(+0.0) !=  hash(-0.0)
// daod que ambos en la repcis IE.. son diferneies pero  el sntandr los trata como iguaels
// haremos lo mismo aqui...
// la idea es como son igles osea == 0.0 (donde v es - o +) dara true y eso lo nramles a 0.0 de lo contraio a v
#define GENERICHASH_NORMALIZE_DBL(v) (v==0.0?0.0:v)

#define GENERICHHASDBL_CONVERT \
    TsnBitInterprete bit;  \
    bit.double_value = GENERICHASH_NORMALIZE_DBL(v);




//+------------------------------------------------------------------+
//| Double                                                           |
//+------------------------------------------------------------------+
class CGenericHash_double : public CGenericHash_eq_simple<double>
 {
public:
                     CGenericHash_double() {}
                    ~CGenericHash_double() {}

  //---
  static ulong     Hash(const double v)
   {
    GENERICHHASDBL_CONVERT
    GENERICHHASH_SPLITMIX(bit.ulong_value)
    return bit.ulong_value;
   }
 };

//+------------------------------------------------------------------+
class CGenericHash_double_fmix : public CGenericHash_eq_simple<double>
 {
public:
                     CGenericHash_double_fmix() {}
                    ~CGenericHash_double_fmix() {}

  //---
  static ulong     Hash(const double v)
   {
    GENERICHHASDBL_CONVERT
    GENERICHHASH_FMIX(bit.ulong_value)
    return bit.ulong_value;
   }
 };

//+------------------------------------------------------------------+
class CGenericHash_double_fibbo : public CGenericHash_eq_simple<double>
 {
public:
                     CGenericHash_double_fibbo() {}
                    ~CGenericHash_double_fibbo() {}

  //---
  static ulong       Hash(const double v)
   {
    GENERICHHASDBL_CONVERT
    return bit.ulong_value * 0x9E3779B97F4A7C15;
   }
 };

//+------------------------------------------------------------------+
class CGenericHash_double_fibbo_plus : public CGenericHash_eq_simple<double>
 {
public:
                     CGenericHash_double_fibbo_plus() {}
                    ~CGenericHash_double_fibbo_plus() {}

  //---
  static ulong       Hash(const double v)
   {
    GENERICHHASDBL_CONVERT
    GENERICHHASH_FIBBO_PLUS(bit.ulong_value)
    return bit.ulong_value;
   }
 };

//+------------------------------------------------------------------+
class CGenericHash_double_murmur : public CGenericHash_eq_simple<double>
 {
public:
                     CGenericHash_double_murmur() {}
                    ~CGenericHash_double_murmur() {}

  //---
  static  ulong      Hash(const double v)
   {
    GENERICHHASDBL_CONVERT
    GENERICHHASH_FIBBO_MURMUR(bit.ulong_value)
    return bit.ulong_value;
   }
 };



}
//+------------------------------------------------------------------+
#endif // FASTCOLLECTIONSBYLEO_COLHASH_HASH_GENERIC_NUMBER_DBL_MQH