reactos/rossubsys/posix/include/math.h

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/* $Id: math.h,v 1.4 2002/10/29 04:45:10 rex Exp $
*/
/*
* math.h
*
* mathematical declarations. Conforming to the Single UNIX(r)
* Specification Version 2, System Interface & Headers Issue 5
*
* This file is part of the ReactOS Operating System.
*
* Contributors:
* Created by KJK::Hyperion <noog@libero.it>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __MATH_H_INCLUDED__
#define __MATH_H_INCLUDED__
/* INCLUDES */
#ifdef __PSXDLL__
/* headers for internal usage by psxdll.dll and ReactOS */
#else /* ! __PSXDLL__ */
/* standard POSIX headers */
#endif
/* OBJECTS */
/* TYPES */
/* CONSTANTS */
#define M_E ((double) 2.7182818285) /* Value of e */
#define M_LOG2E ((double) 1.4426950419) /* Value of log2(e) */
#define M_LOG10E ((double) 0.4342944819) /* Value of log10(e) */
#define M_LN2 ((double)-0.6931471806) /* Value of loge2 */
#define M_LN10 ((double) 2.3025850929) /* Value of loge10 */
#define M_PI ((double) 3.1415926536) /* Value of Pi */
#define M_PI_2 ((double) 1.5707963268) /* Value of Pi/2 */
#define M_PI_4 ((double) 0.7853981634) /* Value of Pi/4 */
#define M_1_PI ((double) 0.3183098862) /* Value of 1/Pi */
#define M_2_PI ((double) 0.6366197724) /* Value of 2/Pi */
#define M_2_SQRTPI ((double) 1.1283791671) /* Value of 2/Sqrt(Pi) */
#define M_SQRT2 ((double) 1.4142135624) /* Value of Sqrt(2) */
#define M_SQRT1_2 ((double) 0.7071067812) /* Value of Sqrt(1/2) */
/* PROTOTYPES */
/* MACROS */
#endif /* __MATH_H_INCLUDED__ */
/* EOF */