OSDefines.hxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef _OSDefines_
#define _OSDefines_


#include "CLAM_Math.hxx"


# define M_1_2PI         0.15915494309189533577  /* 1/(2pi) */

#if defined _MSC_VER

#ifndef _USE_MATH_DEFINES

// Standard constants not in MSVC
# define M_E            2.7182818284590452354   /* e */
# define M_LOG2E        1.4426950408889634074   /* log_2 e */
# define M_LOG10E       0.43429448190325182765  /* log_10 e */
# define M_LN2          0.69314718055994530942  /* log_e 2 */
# define M_LN10         2.30258509299404568402  /* log_e 10 */
# define M_PI           3.14159265358979323846  /* pi */
# define M_PI_2         1.57079632679489661923  /* pi/2 */
# define M_PI_4         0.78539816339744830962  /* pi/4 */
# define M_1_PI         0.31830988618379067154  /* 1/pi */
# define M_2_PI         0.63661977236758134308  /* 2/pi */
# define M_2_SQRTPI     1.12837916709551257390  /* 2/sqrt(pi) */
# define M_SQRT2        1.41421356237309504880  /* sqrt(2) */
# define M_SQRT1_2      0.70710678118654752440  /* 1/sqrt(2) */

#endif

#endif

/* The above constants are not adequate for computation using `long double's.
   Therefore we provide as an extension constants with similar names as a
   GNU extension.  Provide enough digits for the 128-bit IEEE quad.  */
# define M_El           2.7182818284590452353602874713526625L  /* e */

// MRJ: 
#if defined(__GNUC__) && (__GNUC__<3)
# define M_LOG2El       1.4426950408889634073599246810018922L  /* log_2 e */
#endif

# define M_LOG10El      0.4342944819032518276511289189166051L  /* log_10 e */
# define M_LN2l         0.6931471805599453094172321214581766L  /* log_e 2 */
# define M_LN10l        2.3025850929940456840179914546843642L  /* log_e 10 */
# define M_PIl          3.1415926535897932384626433832795029L  /* pi */
# define M_PI_2l        1.5707963267948966192313216916397514L  /* pi/2 */
# define M_PI_4l        0.7853981633974483096156608458198757L  /* pi/4 */
# define M_1_PIl        0.3183098861837906715377675267450287L  /* 1/pi */
# define M_2_PIl        0.6366197723675813430755350534900574L  /* 2/pi */
# define M_2_SQRTPIl    1.1283791670955125738961589031215452L  /* 2/sqrt(pi) */
# define M_SQRT2l       1.4142135623730950488016887242096981L  /* sqrt(2) */
# define M_SQRT1_2l     0.7071067811865475244008443621048490L  /* 1/sqrt(2) */



#ifndef PI
        # define PI M_PIl
#endif

#ifndef TWO_PI
# define TWO_PI (PI*2.)
#endif

#ifndef NULL
        #define NULL (0L)
#endif


#endif