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115 lines
2.1 KiB
C++
115 lines
2.1 KiB
C++
//////////////////////////////////////////////////////////////////////////
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//
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// pgScript - PostgreSQL Tools
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//
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// Copyright (C) 2002 - 2016, The pgAdmin Development Team
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// This software is released under the PostgreSQL Licence
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//
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//////////////////////////////////////////////////////////////////////////
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#ifndef PGSINTEGERGEN_H_
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#define PGSINTEGERGEN_H_
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#include "pgscript/pgScript.h"
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#include "pgscript/generators/pgsNumberGen.h"
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#include "pgscript/generators/pgsObjectGen.h"
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#include "pgscript/utilities/pgsCopiedPtr.h"
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class pgsIntegerGen : public pgsObjectGen
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{
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private:
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class pgsSequentialIntGen : public pgsNumberGen
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{
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private:
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MAPM m_state;
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MAPM m_m;
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static const MAPM arg_a;
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static const MAPM arg_c;
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MAPM m_remainder;
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pgsVectorMapm m_buffer;
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public:
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pgsSequentialIntGen(const MAPM &range, const long &seed);
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virtual MAPM random();
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virtual ~pgsSequentialIntGen();
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virtual pgsNumberGen *clone();
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/* pgsSequentialIntGen & operator =(const pgsSequentialIntGen & that); */
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/* pgsSequentialIntGen(const pgsSequentialIntGen & that); */
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};
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class pgsNormalIntGen : public pgsNumberGen
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{
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private:
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MAPM m_state;
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MAPM m_top;
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static const MAPM arg_a;
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static const MAPM arg_c;
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static const MAPM arg_m;
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public:
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pgsNormalIntGen(const MAPM &range, const long &seed);
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virtual MAPM random();
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virtual ~pgsNormalIntGen();
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virtual pgsNumberGen *clone();
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/* pgsNormalIntGen & operator =(const pgsNormalIntGen & that); */
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/* pgsNormalIntGen(const pgsNormalIntGen & that); */
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};
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friend class pgsRealGen;
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private:
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typedef pgsCopiedPtr<pgsNumberGen> pgsRandomizer; // Needs a clone() method
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MAPM m_min;
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MAPM m_max;
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MAPM m_range;
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bool m_sequence;
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pgsRandomizer m_randomizer;
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public:
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pgsIntegerGen(const MAPM &min, const MAPM &max,
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const bool &sequence = false, const long &seed = wxDateTime::GetTimeNow());
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bool is_sequence() const;
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virtual wxString random();
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long random_long();
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virtual ~pgsIntegerGen();
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virtual pgsIntegerGen *clone();
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/* pgsIntegerGen & operator =(const pgsIntegerGen & that); */
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/* pgsIntegerGen(const pgsIntegerGen & that); */
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};
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#endif /*PGSINTEGERGEN_H_*/
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