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csdef.h

00001 /*
00002     Copyright (C) 1998-2000 by Jorrit Tyberghein
00003   
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008   
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013   
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #if !defined(CSDEF_FRIEND)
00020 #error You are not allowed to include this file! Use cssysdef.h instead.
00021 #endif
00022 
00023 #ifndef __CS_CSDEF_H__
00024 #define __CS_CSDEF_H__
00025 
00026 #include "platform.h"
00027 #include "cstypes.h"
00028 
00029 #include <stdio.h>
00030 #include <stdlib.h>
00031 #include <math.h>
00032 #include <time.h>
00033 #include <signal.h>
00034 #include <errno.h>
00035 #include <string.h>
00036 #include <assert.h>
00037 
00038 /*#ifndef CS_USE_NEW_RENDERER
00039   #define CS_USE_SHADOW_VOLUMES
00040   #define CS_USE_NEW_RENDERER
00041   #define iGraphics3D iRender3D
00042 #endif*/
00043 
00044 // DEPRECATED use "true" instead
00045 #ifndef TRUE
00046   #define TRUE 1
00047 #endif
00048 
00049 // DEPRECATED use "false" instead
00050 #ifndef FALSE
00051   #define FALSE 0
00052 #endif
00053 
00054 #ifndef MIN
00055   #define MIN(a,b) ((a)<(b)?(a):(b))
00056 #endif
00057 
00058 #ifndef MAX
00059   #define MAX(a,b) ((a)>(b)?(a):(b))
00060 #endif
00061 
00062 #ifndef ABS
00063  #define ABS(x) ((x)<0?-(x):(x))
00064 #endif
00065 
00066 #ifndef SIGN
00067   #define SIGN(x) ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0))
00068 #endif
00069 
00070 #ifndef PI
00071  #define PI 3.1415926535897932385f
00072 #endif
00073 #ifndef HALF_PI
00074   #define HALF_PI (PI / 2.0f)
00075 #endif
00076 #ifndef TWO_PI
00077   #define TWO_PI (PI * 2.0f)
00078 #endif
00079 
00080 #undef EPSILON
00081   #define EPSILON 0.001f                        /* Small value */
00082 #undef SMALL_EPSILON
00083   #define SMALL_EPSILON 0.000001f               /* Very small value */
00084 #undef SMALL_EPSILON_D
00085   #define SMALL_EPSILON_D 0.000000000001f       /* Very, very small value */
00086 
00087 // Platforms with compilers which only understand old-style C++ casting syntax
00088 // should define CS_USE_OLD_STYLE_CASTS.
00089 #if defined(CS_USE_OLD_STYLE_CASTS)
00090   #define CS_CAST(C,T,V) ((T)(V))
00091 #else
00092   #define CS_CAST(C,T,V) (C<T>(V))
00093 #endif
00094 
00095 #define STATIC_CAST(T,V)      CS_CAST(static_cast,T,V)
00096 #define DYNAMIC_CAST(T,V)     CS_CAST(dynamic_cast,T,V)
00097 #define REINTERPRET_CAST(T,V) CS_CAST(reinterpret_cast,T,V)
00098 #define CONST_CAST(T,V)       CS_CAST(const_cast,T,V)
00099 
00100 // Platforms with compilers which do not understand the new C++ keyword
00101 // `explicit' should define CS_USE_FAKE_EXPLICIT_KEYWORD.
00102 #if defined(CS_USE_FAKE_EXPLICIT_KEYWORD)
00103   #define explicit /* nothing */
00104 #endif
00105 
00106 // The smallest Z at which 3D clipping occurs
00107 #define SMALL_Z 0.01f
00108 
00109 #endif // __CS_CSDEF_H__

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