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66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/* $Id: math.h,v 1.2 2002/02/20 09:17:54 hyperion Exp $
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*/
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/*
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* math.h
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*
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* mathematical declarations. Conforming to the Single UNIX(r)
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* Specification Version 2, System Interface & Headers Issue 5
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*
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* This file is part of the ReactOS Operating System.
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*
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* Contributors:
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* Created by KJK::Hyperion <noog@libero.it>
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*
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* THIS SOFTWARE IS NOT COPYRIGHTED
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*
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* This source code is offered for use in the public domain. You may
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* use, modify or distribute it freely.
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*
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* This code is distributed in the hope that it will be useful but
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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* DISCLAMED. This includes but is not limited to warranties of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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*/
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#ifndef __MATH_H_INCLUDED__
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#define __MATH_H_INCLUDED__
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/* INCLUDES */
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#ifdef __PSXDLL__
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/* headers for internal usage by psxdll.dll and ReactOS */
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#else /* ! __PSXDLL__ */
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/* standard POSIX headers */
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#endif
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/* OBJECTS */
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/* TYPES */
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/* CONSTANTS */
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#define M_E ((double) 2.7182818285) /* Value of e */
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#define M_LOG2E ((double) 1.4426950419) /* Value of log2(e) */
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#define M_LOG10E ((double) 0.4342944819) /* Value of log10(e) */
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#define M_LN2 ((double)-0.6931471806) /* Value of loge2 */
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#define M_LN10 ((double) 2.3025850929) /* Value of loge10 */
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#define M_PI ((double) 3.1415926536) /* Value of Pi */
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#define M_PI_2 ((double) 1.5707963268) /* Value of Pi/2 */
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#define M_PI_4 ((double) 0.7853981634) /* Value of Pi/4 */
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#define M_1_PI ((double) 0.3183098862) /* Value of 1/Pi */
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#define M_2_PI ((double) 0.6366197724) /* Value of 2/Pi */
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#define M_2_SQRTPI ((double) 1.1283791671) /* Value of 2/Sqrt(Pi) */
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#define M_SQRT2 ((double) 1.4142135624) /* Value of Sqrt(2) */
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#define M_SQRT1_2 ((double) 0.7071067812) /* Value of Sqrt(1/2) */
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/* PROTOTYPES */
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/* MACROS */
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#endif /* __MATH_H_INCLUDED__ */
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/* EOF */
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