nxsunclock.h

PIXIL is a small footprint operating environment, complete with PDA PIM applications, a browser and

/*
 * Copyright (c) 2003 Century Software, Inc.   All Rights Reserved.
 *
 * This file is part of the PIXIL Operating Environment
 *
 * The use, copying and distribution of this file is governed by one
 * of two licenses, the PIXIL Commercial License, or the GNU General
 * Public License, version 2.
 *
 * Licensees holding a valid PIXIL Commercial License may use this file
 * in accordance with the PIXIL Commercial License Agreement provided
 * with the Software. Others are governed under the terms of the GNU
 * General Public License version 2.
 *
 * This file may be distributed and/or modified under the terms of the
 * GNU General Public License version 2 as published by the Free
 * Software Foundation and appearing in the file LICENSE.GPL included
 * in the packaging of this file.
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING
 * THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE.
 *
 * RESTRICTED RIGHTS LEGEND
 *
 * Use, duplication, or disclosure by the government is subject to
 * restriction as set forth in paragraph (b)(3)(b) of the Rights in
 * Technical Data and Computer Software clause in DAR 7-104.9(a).
 *
 * See http://www.pixil.org/gpl/ for GPL licensing
 * information.
 *
 * See http://www.pixil.org/license.html or
 * email [e-mail] for information about the PIXIL
 * Commercial License Agreement, or if any conditions of this licensing
 * are not clear to you.
 */

#define PI 3.14159265358979323846
#define EPSILON 1E-6

#define abs(x) ((x) < 0 ? (-(x)) : x)	/* Absolute value */
#define sgn(x) (((x) < 0) ? -1 : ((x) > 0 ? 1 : 0))	/* Extract sign */
#define dtr(x) ((x) * (PI / 180.0))	/* Degree->Radian */
#define rtd(x) ((x) / (PI / 180.0))	/* Radian->Degree */
#define fixangle(a) ((a) - 360.0 * (floor((a) / 360.0)))	/* Fix angle    */