misc.h

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/*-*-c++-*-*****************************************************************
                          misc.h  -  description
                             -------------------
    begin                : Wed May 8 2000
    copyright            : (C) 2002 by Peter Haase,  T. May, 
                           (C) 2004 Christian Stimming
    email                : mail@p-haase.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Lesser General Public            *
 *   License as published by the Free Software Foundation; either          *
 *   version 2.1 of the License, or (at your option) any later version.    *
 *                                                                         *
 *   This library 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     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the Free Software   *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef MY_MISC_HEADER
#define MY_MISC_HEADER


#include <complex>
#include <cmath>

#ifndef DEBUG
#  ifndef NDEBUG
#    define DEBUG    0
#  else
#    if NDEBUG == 0
#      define DEBUG 1
#    else
#      define DEBUG 0
#   endif
# endif
#endif

#ifndef SECURITY

#  define SECURITY 1
#endif


namespace simth
{

  typedef std::complex<double> Complex;

#ifndef M_PI

#  define M_PI           3.14159265358979323846  
#endif
#ifndef M_SQRT2

#  define M_SQRT2        1.41421356237309504880  
#endif
#ifndef M_SQRT1_2

#  define M_SQRT1_2      0.70710678118654752440
#endif


  const double PI = M_PI;
  const double PI2 = 2.0 * PI;

  const long double ZERO_THRESHOLD = 1.0E-10;

  const unsigned int  MAX_BITS_PER_SYMBOL = 8;

  const unsigned int  MAX_STATES_PER_SYMBOL = 1<<MAX_BITS_PER_SYMBOL;

  const unsigned int MAX_GENERATOR_POLYNOM = 10000;



  template <class Type>
  inline Type sqr(Type a)
  {
    return a * a;
  }


} // namespace

#endif // MY_MISC_HEADER

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