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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Contains custom types.
* \file IceTypes.h
* \author Pierre Terdiman
* \date April, 4, 2000
*/
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Include Guard
#ifndef __ICETYPES_H__
#define __ICETYPES_H__
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Things to help us compile on non-windows platforms
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#define USE_HANDLE_MANAGER
// Constants
#define PI 3.1415926535897932384626433832795028841971693993751f //!< PI
#define HALFPI 1.57079632679489661923f //!< 0.5 * PI
#define TWOPI 6.28318530717958647692f //!< 2.0 * PI
#define INVPI 0.31830988618379067154f //!< 1.0 / PI
#define RADTODEG 57.2957795130823208768f //!< 180.0 / PI, convert radians to degrees
#define DEGTORAD 0.01745329251994329577f //!< PI / 180.0, convert degrees to radians
#define EXP 2.71828182845904523536f //!< e
#define INVLOG2 3.32192809488736234787f //!< 1.0 / log10(2)
#define LN2 0.693147180559945f //!< ln(2)
#define INVLN2 1.44269504089f //!< 1.0f / ln(2)
#define INV3 0.33333333333333333333f //!< 1/3
#define INV6 0.16666666666666666666f //!< 1/6
#define INV7 0.14285714285714285714f //!< 1/7
#define INV9 0.11111111111111111111f //!< 1/9
#define INV255 0.00392156862745098039f //!< 1/255
#define SQRT2 1.41421356237f //!< sqrt(2)
#define INVSQRT2 0.707106781188f //!< 1 / sqrt(2)
#define SQRT3 1.73205080757f //!< sqrt(3)
#define INVSQRT3 0.577350269189f //!< 1 / sqrt(3)
#define null 0 //!< our own NULL pointer
// Custom types used in ICE
typedef signed char sbyte; //!< sizeof(sbyte) must be 1
typedef unsigned char ubyte; //!< sizeof(ubyte) must be 1
typedef signed short sword; //!< sizeof(sword) must be 2
typedef unsigned short uword; //!< sizeof(uword) must be 2
typedef signed int sdword; //!< sizeof(sdword) must be 4
typedef unsigned int udword; //!< sizeof(udword) must be 4
typedef signed __int64 sqword; //!< sizeof(sqword) must be 8
typedef unsigned __int64 uqword; //!< sizeof(uqword) must be 8
typedef float float32; //!< sizeof(float32) must be 4
typedef double float64; //!< sizeof(float64) must be 4
ICE_COMPILE_TIME_ASSERT(sizeof(ubyte)==1);
ICE_COMPILE_TIME_ASSERT(sizeof(sbyte)==1);
ICE_COMPILE_TIME_ASSERT(sizeof(sword)==2);
ICE_COMPILE_TIME_ASSERT(sizeof(uword)==2);
ICE_COMPILE_TIME_ASSERT(sizeof(udword)==4);
ICE_COMPILE_TIME_ASSERT(sizeof(sdword)==4);
ICE_COMPILE_TIME_ASSERT(sizeof(uqword)==8);
ICE_COMPILE_TIME_ASSERT(sizeof(sqword)==8);
//! TO BE DOCUMENTED
#define DECLARE_ICE_HANDLE(name) struct name##__ { int unused; }; typedef struct name##__ *name
typedef udword DynID; //!< Dynamic identifier
#ifdef USE_HANDLE_MANAGER
typedef udword KID; //!< Kernel ID
// DECLARE_ICE_HANDLE(KID);
#else
typedef uword KID; //!< Kernel ID
#endif
typedef udword RTYPE; //!< Relationship-type (!) between owners and references
#define INVALID_ID 0xffffffff //!< Invalid dword ID (counterpart of null pointers)
#ifdef USE_HANDLE_MANAGER
#define INVALID_KID 0xffffffff //!< Invalid Kernel ID
#else
#define INVALID_KID 0xffff //!< Invalid Kernel ID
#endif
#define INVALID_NUMBER 0xDEADBEEF //!< Standard junk value
// Define BOOL if needed
#ifndef BOOL
typedef int BOOL; //!< Another boolean type.
#endif
//! Union of a float and a sdword
typedef union {
float f; //!< The float
sdword d; //!< The integer
}scell;
//! Union of a float and a udword
typedef union {
float f; //!< The float
udword d; //!< The integer
}ucell;
// Type ranges
#define MAX_SBYTE 0x7f //!< max possible sbyte value
#define MIN_SBYTE 0x80 //!< min possible sbyte value
#define MAX_UBYTE 0xff //!< max possible ubyte value
#define MIN_UBYTE 0x00 //!< min possible ubyte value
#define MAX_SWORD 0x7fff //!< max possible sword value
#define MIN_SWORD 0x8000 //!< min possible sword value
#define MAX_UWORD 0xffff //!< max possible uword value
#define MIN_UWORD 0x0000 //!< min possible uword value
#define MAX_SDWORD 0x7fffffff //!< max possible sdword value
#define MIN_SDWORD 0x80000000 //!< min possible sdword value
#define MAX_UDWORD 0xffffffff //!< max possible udword value
#define MIN_UDWORD 0x00000000 //!< min possible udword value
#define MAX_FLOAT FLT_MAX //!< max possible float value
#define MIN_FLOAT (-FLT_MAX) //!< min possible loat value
#define IEEE_1_0 0x3f800000 //!< integer representation of 1.0
#define IEEE_255_0 0x437f0000 //!< integer representation of 255.0
#define IEEE_MAX_FLOAT 0x7f7fffff //!< integer representation of MAX_FLOAT
#define IEEE_MIN_FLOAT 0xff7fffff //!< integer representation of MIN_FLOAT
#define IEEE_UNDERFLOW_LIMIT 0x1a000000
#define ONE_OVER_RAND_MAX (1.0f / float(RAND_MAX)) //!< Inverse of the max possible value returned by rand()
// typedef int (__stdcall* PROC)(); -- Oleh Derevenko: Conflicts with Windows headers in x64 mode //!< A standard procedure call.
typedef bool (*ENUMERATION)(udword value, udword param, udword context); //!< ICE standard enumeration call
typedef void** VTABLE; //!< A V-Table.
#undef MIN
#undef MAX
#define MIN(a, b) ((a) < (b) ? (a) : (b)) //!< Returns the min value between a and b
#define MAX(a, b) ((a) > (b) ? (a) : (b)) //!< Returns the max value between a and b
#define MAXMAX(a,b,c) ((a) > (b) ? MAX (a,c) : MAX (b,c)) //!< Returns the max value between a, b and c
template<class T> inline_ const T& TMin (const T& a, const T& b) { return b < a ? b : a; }
template<class T> inline_ const T& TMax (const T& a, const T& b) { return a < b ? b : a; }
template<class T> inline_ void TSetMin (T& a, const T& b) { if(a>b) a = b; }
template<class T> inline_ void TSetMax (T& a, const T& b) { if(a<b) a = b; }
#define SQR(x) ((x)*(x)) //!< Returns x square
#define CUBE(x) ((x)*(x)*(x)) //!< Returns x cube
#define AND & //!< ...
#define OR | //!< ...
#define XOR ^ //!< ...
#define QUADRAT(x) ((x)*(x)) //!< Returns x square
#ifdef _WIN32
# define srand48(x) srand((unsigned int) (x))
# define srandom(x) srand((unsigned int) (x))
# define random() ((double) rand())
# define drand48() ((double) (((double) rand()) / ((double) RAND_MAX)))
#endif
#endif // __ICETYPES_H__
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