constants.h

Go to the documentation of this file.

/*
 * constants.h - global natural constant header file
 *
 * Copyright (C) 2004, 2005 Stefan Jahn <stefan@lkcc.org>
 *
 * This 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, or (at your option)
 * any later version.
 *
 * This software 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 package; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 * $Id$
 *
 */

#ifndef __CONSTANTS_H__
#define __CONSTANTS_H__

#include "consts.h"
#include "precision.h"

namespace qucs {

#define C0   299792458.0

#define MU0  12.566370614e-7

#define E0   8.854187817e-12

#define Z0   376.73031346958504364963

#define Hp    6.626069311e-34

#define K    -273.15

#define T0   290

#define kB   1.380650524e-23

#define Q_e    1.6021765314e-19

#define kBoverQ    0.86173433260414314916e-4

#define QoverkB    1.16045045690360379713e+4

#define ESiO2      3.9

#define ESi        11.7

#define EGe        15.8

#define EGaAs      13.1

#define NiSi       1.45e16

#define NiGe       2.40e19

#define NiGaAs     9.00e12

#define EgSi       1.11

#define EgSchottky 0.69

#define EgGe       0.67

#define EgGaAs     1.43

#define Eg0Si      1.16


#define GMin       NR_TINY

#define cubic(x)  ((x) * (x) * (x))

#define kelvin(x) ((x) - K)

#define degree(x) (K + (x))

#define rad(x)    (M_PI * (x) / 180.0)

#define deg(x)    (180.0 * (x) / M_PI)

#ifndef MAX

# define MAX(x,y) (((x) > (y)) ? (x) : (y))
#endif

#ifndef MIN

# define MIN(x,y) (((x) < (y)) ? (x) : (y))
#endif

} // namespace qucs

#endif /* __CONSTANTS_H__ */