1 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 2 /** 3 * Contains custom types. 4 * \file IceTypes.h 5 * \author Pierre Terdiman 6 * \date April, 4, 2000 7 */ 8 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 9 10 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 11 // Include Guard 12 #ifndef __ICETYPES_H__ 13 #define __ICETYPES_H__ 14 15 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 16 // Things to help us compile on non-windows platforms 17 18 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 19 20 #define USE_HANDLE_MANAGER 21 22 // Constants 23 #define PI 3.1415926535897932384626433832795028841971693993751f //!< PI 24 #define HALFPI 1.57079632679489661923f //!< 0.5 * PI 25 #define TWOPI 6.28318530717958647692f //!< 2.0 * PI 26 #define INVPI 0.31830988618379067154f //!< 1.0 / PI 27 28 #define RADTODEG 57.2957795130823208768f //!< 180.0 / PI, convert radians to degrees 29 #define DEGTORAD 0.01745329251994329577f //!< PI / 180.0, convert degrees to radians 30 31 #define EXP 2.71828182845904523536f //!< e 32 #define INVLOG2 3.32192809488736234787f //!< 1.0 / log10(2) 33 #define LN2 0.693147180559945f //!< ln(2) 34 #define INVLN2 1.44269504089f //!< 1.0f / ln(2) 35 36 #define INV3 0.33333333333333333333f //!< 1/3 37 #define INV6 0.16666666666666666666f //!< 1/6 38 #define INV7 0.14285714285714285714f //!< 1/7 39 #define INV9 0.11111111111111111111f //!< 1/9 40 #define INV255 0.00392156862745098039f //!< 1/255 41 42 #define SQRT2 1.41421356237f //!< sqrt(2) 43 #define INVSQRT2 0.707106781188f //!< 1 / sqrt(2) 44 45 #define SQRT3 1.73205080757f //!< sqrt(3) 46 #define INVSQRT3 0.577350269189f //!< 1 / sqrt(3) 47 48 #define null 0 //!< our own NULL pointer 49 50 // Custom types used in ICE 51 typedef signed char sbyte; //!< sizeof(sbyte) must be 1 52 typedef unsigned char ubyte; //!< sizeof(ubyte) must be 1 53 typedef signed short sword; //!< sizeof(sword) must be 2 54 typedef unsigned short uword; //!< sizeof(uword) must be 2 55 typedef signed int sdword; //!< sizeof(sdword) must be 4 56 typedef unsigned int udword; //!< sizeof(udword) must be 4 57 typedef signed __int64 sqword; //!< sizeof(sqword) must be 8 58 typedef unsigned __int64 uqword; //!< sizeof(uqword) must be 8 59 typedef float float32; //!< sizeof(float32) must be 4 60 typedef double float64; //!< sizeof(float64) must be 4 61 62 ICE_COMPILE_TIME_ASSERT(sizeof(ubyte)==1); 63 ICE_COMPILE_TIME_ASSERT(sizeof(sbyte)==1); 64 ICE_COMPILE_TIME_ASSERT(sizeof(sword)==2); 65 ICE_COMPILE_TIME_ASSERT(sizeof(uword)==2); 66 ICE_COMPILE_TIME_ASSERT(sizeof(udword)==4); 67 ICE_COMPILE_TIME_ASSERT(sizeof(sdword)==4); 68 ICE_COMPILE_TIME_ASSERT(sizeof(uqword)==8); 69 ICE_COMPILE_TIME_ASSERT(sizeof(sqword)==8); 70 71 //! TO BE DOCUMENTED 72 #define DECLARE_ICE_HANDLE(name) struct name##__ { int unused; }; typedef struct name##__ *name 73 74 typedef udword DynID; //!< Dynamic identifier 75 #ifdef USE_HANDLE_MANAGER 76 typedef udword KID; //!< Kernel ID 77 // DECLARE_ICE_HANDLE(KID); 78 #else 79 typedef uword KID; //!< Kernel ID 80 #endif 81 typedef udword RTYPE; //!< Relationship-type (!) between owners and references 82 #define INVALID_ID 0xffffffff //!< Invalid dword ID (counterpart of null pointers) 83 #ifdef USE_HANDLE_MANAGER 84 #define INVALID_KID 0xffffffff //!< Invalid Kernel ID 85 #else 86 #define INVALID_KID 0xffff //!< Invalid Kernel ID 87 #endif 88 #define INVALID_NUMBER 0xDEADBEEF //!< Standard junk value 89 90 // Define BOOL if needed 91 #ifndef BOOL 92 typedef int BOOL; //!< Another boolean type. 93 #endif 94 95 //! Union of a float and a sdword 96 typedef union { 97 float f; //!< The float 98 sdword d; //!< The integer 99 }scell; 100 101 //! Union of a float and a udword 102 typedef union { 103 float f; //!< The float 104 udword d; //!< The integer 105 }ucell; 106 107 // Type ranges 108 #define MAX_SBYTE 0x7f //!< max possible sbyte value 109 #define MIN_SBYTE 0x80 //!< min possible sbyte value 110 #define MAX_UBYTE 0xff //!< max possible ubyte value 111 #define MIN_UBYTE 0x00 //!< min possible ubyte value 112 #define MAX_SWORD 0x7fff //!< max possible sword value 113 #define MIN_SWORD 0x8000 //!< min possible sword value 114 #define MAX_UWORD 0xffff //!< max possible uword value 115 #define MIN_UWORD 0x0000 //!< min possible uword value 116 #define MAX_SDWORD 0x7fffffff //!< max possible sdword value 117 #define MIN_SDWORD 0x80000000 //!< min possible sdword value 118 #define MAX_UDWORD 0xffffffff //!< max possible udword value 119 #define MIN_UDWORD 0x00000000 //!< min possible udword value 120 #define MAX_FLOAT FLT_MAX //!< max possible float value 121 #define MIN_FLOAT (-FLT_MAX) //!< min possible loat value 122 #define IEEE_1_0 0x3f800000 //!< integer representation of 1.0 123 #define IEEE_255_0 0x437f0000 //!< integer representation of 255.0 124 #define IEEE_MAX_FLOAT 0x7f7fffff //!< integer representation of MAX_FLOAT 125 #define IEEE_MIN_FLOAT 0xff7fffff //!< integer representation of MIN_FLOAT 126 #define IEEE_UNDERFLOW_LIMIT 0x1a000000 127 128 #define ONE_OVER_RAND_MAX (1.0f / float(RAND_MAX)) //!< Inverse of the max possible value returned by rand() 129 130 typedef int (__stdcall* PROC)(); //!< A standard procedure call. 131 typedef bool (*ENUMERATION)(udword value, udword param, udword context); //!< ICE standard enumeration call 132 typedef void** VTABLE; //!< A V-Table. 133 134 #undef MIN 135 #undef MAX 136 #define MIN(a, b) ((a) < (b) ? (a) : (b)) //!< Returns the min value between a and b 137 #define MAX(a, b) ((a) > (b) ? (a) : (b)) //!< Returns the max value between a and b 138 #define MAXMAX(a,b,c) ((a) > (b) ? MAX (a,c) : MAX (b,c)) //!< Returns the max value between a, b and c 139 TMin(const T & a,const T & b)140 template<class T> inline_ const T& TMin (const T& a, const T& b) { return b < a ? b : a; } TMax(const T & a,const T & b)141 template<class T> inline_ const T& TMax (const T& a, const T& b) { return a < b ? b : a; } TSetMin(T & a,const T & b)142 template<class T> inline_ void TSetMin (T& a, const T& b) { if(a>b) a = b; } TSetMax(T & a,const T & b)143 template<class T> inline_ void TSetMax (T& a, const T& b) { if(a<b) a = b; } 144 145 #define SQR(x) ((x)*(x)) //!< Returns x square 146 #define CUBE(x) ((x)*(x)*(x)) //!< Returns x cube 147 148 #define AND & //!< ... 149 #define OR | //!< ... 150 #define XOR ^ //!< ... 151 152 #define QUADRAT(x) ((x)*(x)) //!< Returns x square 153 154 #ifdef _WIN32 155 # define srand48(x) srand((unsigned int) (x)) 156 # define srandom(x) srand((unsigned int) (x)) 157 # define random() ((double) rand()) 158 # define drand48() ((double) (((double) rand()) / ((double) RAND_MAX))) 159 #endif 160 161 #endif // __ICETYPES_H__ 162