CLAM-Development  1.4.0
OSDefines.hxx
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1 /*
2  * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
3  * UNIVERSITAT POMPEU FABRA
4  *
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  */
21 
22 #ifndef _OSDefines_
23 #define _OSDefines_
24 
25 
26 #include "CLAM_Math.hxx"
27 
28 
29 # define M_1_2PI 0.15915494309189533577 /* 1/(2pi) */
30 
31 #if defined _MSC_VER
32 
33 #ifndef _USE_MATH_DEFINES
34 
35 // Standard constants not in MSVC
36 # define M_E 2.7182818284590452354 /* e */
37 # define M_LOG2E 1.4426950408889634074 /* log_2 e */
38 # define M_LOG10E 0.43429448190325182765 /* log_10 e */
39 # define M_LN2 0.69314718055994530942 /* log_e 2 */
40 # define M_LN10 2.30258509299404568402 /* log_e 10 */
41 # define M_PI 3.14159265358979323846 /* pi */
42 # define M_PI_2 1.57079632679489661923 /* pi/2 */
43 # define M_PI_4 0.78539816339744830962 /* pi/4 */
44 # define M_1_PI 0.31830988618379067154 /* 1/pi */
45 # define M_2_PI 0.63661977236758134308 /* 2/pi */
46 # define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
47 # define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
48 # define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
49 
50 #endif
51 
52 #endif
53 
54 /* The above constants are not adequate for computation using `long double's.
55  Therefore we provide as an extension constants with similar names as a
56  GNU extension. Provide enough digits for the 128-bit IEEE quad. */
57 # define M_El 2.7182818284590452353602874713526625L /* e */
58 
59 // MRJ:
60 #if defined(__GNUC__) && (__GNUC__<3)
61 # define M_LOG2El 1.4426950408889634073599246810018922L /* log_2 e */
62 #endif
63 
64 # define M_LOG10El 0.4342944819032518276511289189166051L /* log_10 e */
65 # define M_LN2l 0.6931471805599453094172321214581766L /* log_e 2 */
66 # define M_LN10l 2.3025850929940456840179914546843642L /* log_e 10 */
67 # define M_PIl 3.1415926535897932384626433832795029L /* pi */
68 # define M_PI_2l 1.5707963267948966192313216916397514L /* pi/2 */
69 # define M_PI_4l 0.7853981633974483096156608458198757L /* pi/4 */
70 # define M_1_PIl 0.3183098861837906715377675267450287L /* 1/pi */
71 # define M_2_PIl 0.6366197723675813430755350534900574L /* 2/pi */
72 # define M_2_SQRTPIl 1.1283791670955125738961589031215452L /* 2/sqrt(pi) */
73 # define M_SQRT2l 1.4142135623730950488016887242096981L /* sqrt(2) */
74 # define M_SQRT1_2l 0.7071067811865475244008443621048490L /* 1/sqrt(2) */
75 
76 
77 
78 #ifndef PI
79  # define PI M_PIl
80 #endif
81 
82 #ifndef TWO_PI
83 # define TWO_PI (PI*2.)
84 #endif
85 
86 #ifndef NULL
87  #define NULL (0L)
88 #endif
89 
90 
91 #endif
92