---

gnn_globals.h

Go to the documentation of this file.

/***************************************************************************
 *  @file  gnn_globals.h
 *  @brief Global Declarations, Definitions, Macros.
 *  @defgroup gnn_layer
 *
 *  @date   : 26-07-03 18:24
 *  @author : Pedro Ortega C. <peortega@dcc.uchile.cl>
 *  Copyright  2003  Pedro Ortega C.
 ****************************************************************************/
/*
 *  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 Library General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
 
#ifndef _GNN_GLOBALS_H_
#define _GNN_GLOBALS_H_



/******************************************/
/* Include Files                          */
/******************************************/

#include <assert.h>
#include <stdarg.h>
#include <gsl/gsl_errno.h>
#include <gsl/gsl_block.h>
#include <gsl/gsl_vector.h>



/******************************************/
/* Macro Definition                       */
/******************************************/

/**
 * @brief \f$ \sqrt{2} \f$.
 * @ingroup gnn_globals
 */
#define GNN_SQRT2 1.4142135623731

/**
 * @brief \f$ \frac{1}{\sqrt{2}} \f$.
 * @ingroup gnn_globals
 */
#define GNN_INVSQRT2 0.70710678118655

/**
 * @brief \f$ \pi \f$.
 * @ingroup gnn_globals
 */
#define GNN_PI    3.1415926535898

/**
 * @brief The default random number's name.
 * @ingroup gnn_globals
 */
#define GNN_DEFAULT_RNG gsl_rng_mt19937

/**
 * @brief The default step size for computing finite differences
 * @ingroup gnn_globals
 */
#define GNN_DEFAULT_EPS 0.001

/**
 * @brief Tiny value for divisions.
 * @ingroup gnn_globals
 */
#define GNN_TINY 0.000001

/**
 * @brief The maximum size for input/output character buffers
 * @ingroup gnn_globals
 */
#define GNN_MAX_BUF 8096

/**
 * @brief The infinity constant for unsigned integers.
 * @ingroup gnn_globals
 */
#define GNN_INFTY -1




#endif /* _GNN_GLOBALS_H_ */

---