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/* cassbeam - a Cassegrain antenna simulator
Copyright (C) August 18, 2003 Walter Brisken
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 __CONSTANTS_H__
#define __CONSTANTS_H__
#include <math.h>
/* X_Y = multiplicitive constant required to convert a number in X units to
* a number in Y units.
*
* 39.37 * INCH_METER = 1.0
*/
#define METER_INCH 39.37008
#define INCH_METER (1.0/METER_INCH)
#define NS_METER 0.299792458 /* Exact */
#define METER_NS (1.0/NS_METER)
#define DEG_RAD M_PI/180.0
#define RAD_DEG 180.0/M_PI
#endif
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