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JumpingMT.h
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// ***************************************************************************************************************
//
// Mini-Aevol is a reduced version of Aevol -- An in silico experimental evolution platform
//
// ***************************************************************************************************************
//
// Copyright: See the AUTHORS file provided with the package or <https://gitlab.inria.fr/rouzaudc/mini-aevol>
// Web: https://gitlab.inria.fr/rouzaudc/mini-aevol
// E-mail: See <jonathan.rouzaud-cornabas@inria.fr>
// Original Authors : Jonathan Rouzaud-Cornabas
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ***************************************************************************************************************
#ifndef AEVOL_JUMPING_MT_H_
#define AEVOL_JUMPING_MT_H_
// =================================================================
// Libraries
// =================================================================
#include <cinttypes>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cassert>
#include <zlib.h>
#include <vector>
// =================================================================
// Project Files
// =================================================================
#include "SFMT-src-1.4/SFMT.h"
#include "SFMT-src-1.4/jump/SFMT-jump.h"
// =================================================================
// Class declarations
// =================================================================
// MT_RAND_MAX = 2^32-1
#define MT_RAND_MAX 4294967295.0
#define MT_RAND_MAX_PLUS_1 4294967296.0
class JumpingMT
{
public :
// =================================================================
// Constructors
// =================================================================
JumpingMT(const uint32_t& simple_seed); // Initialize with a simple uint32_t
JumpingMT(const JumpingMT &model); // Create a copy of an existing generator
JumpingMT(gzFile backup_file); // Load from a gz backup file
// =================================================================
// Destructors
// =================================================================
virtual ~JumpingMT();
// =================================================================
// Accessors: getters
// =================================================================
// =================================================================
// Accessors: setters
// =================================================================
// =================================================================
// Operators
// =================================================================
// =================================================================
// Public Methods
// =================================================================
inline double random(); // Double in [0, 1[ (uniform distribution)
inline int8_t random(int8_t max); // ~
inline int16_t random(int16_t max); // ~
inline int32_t random(int32_t max); // ~ > Integer in [0, max[ (uniform distribution)
inline int64_t random(int64_t max); // ~
int32_t binomial_random(int32_t nb, double prob); // Binomial drawing of parameters (nb, prob)
double gaussian_random(); // Double following a Standard Normal distribution
int32_t roulette_random(double* probs, int32_t nb_elts, bool verbose = false); // Roulette selection
void multinomial_drawing (int32_t* destination, double* source, int32_t nb_drawings, int32_t colors);
// Multinomial drawing of parameters (nb, {source[0], source[1], ... source[colors-1]})
void jump();
void save(gzFile backup_file) const;
// =================================================================
// Public Attributes
// =================================================================
static int32_t nb_jumps;
static double jump_time;
/*
std::vector<double> pickones;
std::vector<double> pickones2;
std::vector<double> pickones3;
std::vector<double> cloned_probs;*/
protected :
// =================================================================
// Forbidden Constructors
// =================================================================
JumpingMT()
{
printf("%s:%d: error: call to forbidden constructor.\n", __FILE__, __LINE__);
exit(EXIT_FAILURE);
};
/*JumpingMT(const JumpingMT &model)
{
printf("%s:%d: error: call to forbidden constructor.\n", __FILE__, __LINE__);
exit(EXIT_FAILURE);
};*/
// =================================================================
// Protected Methods
// =================================================================
static double gammln(double X);
// =================================================================
// Protected Attributes
// =================================================================
sfmt_t* sfmt_;
};
// =====================================================================
// Getters' definitions
// =====================================================================
// =====================================================================
// Setters' definitions
// =====================================================================
// =====================================================================
// Operators' definitions
// =====================================================================
// =====================================================================
// Inline functions' definition
// =====================================================================
/*!
Draw a double precision real-number in [0, 1) with a uniform distribution
*/
inline double JumpingMT::random()
{
return sfmt_genrand_real2(sfmt_);
}
/*!
Draw an 8-bit integer in [0, max[ with a uniform distribution
*/
inline int8_t JumpingMT::random(int8_t max)
{
return (int8_t) floor(((double)max) * sfmt_genrand_real2(sfmt_));
}
/*!
Draw an 16-bit integer in [0, max[ with a uniform distribution
*/
inline int16_t JumpingMT::random(int16_t max)
{
return (int16_t) floor(((double)max) * sfmt_genrand_real2(sfmt_));
}
/*!
Draw an 32-bit integer in [0, max[ with a uniform distribution
*/
inline int32_t JumpingMT::random(int32_t max)
{
return (int32_t) floor(((double)max) * sfmt_genrand_real2(sfmt_));
}
/*!
Draw an 64-bit integer in [0, max[ with a uniform distribution
*/
inline int64_t JumpingMT::random(int64_t max)
{
return (int64_t) floor(((double)max) * sfmt_genrand_real2(sfmt_));
}
#endif // AEVOL_JUMPING_MT_H_