PxSimpleTypes.h

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// Copyright (c) 2008-2022 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.

#ifndef PX_SIMPLE_TYPES_H
#define PX_SIMPLE_TYPES_H

// Platform specific types:
// Design note: Its OK to use int for general loop variables and temps.

#include "foundation/PxPreprocessor.h"
#if PX_VC
#pragma warning(push)
#pragma warning(disable : 4668) // suppressing warning generated by Microsoft Visual Studio when including this standard
// header
#endif

#if PX_LINUX
#define __STDC_LIMIT_MACROS
#endif

#include <stdint.h>
#if PX_VC
#pragma warning(pop)
#endif

#if PX_VC // we could use inttypes.h starting with VC12
#define PX_PRIu64 "I64u"
#else
#if !PX_APPLE_FAMILY
#define __STDC_FORMAT_MACROS
#endif
#include <inttypes.h>
#define PX_PRIu64 PRIu64
#endif

#if !PX_DOXYGEN
namespace physx
{
#endif
typedef int64_t PxI64;
typedef uint64_t PxU64;
typedef int32_t PxI32;
typedef uint32_t PxU32;
typedef int16_t PxI16;
typedef uint16_t PxU16;
typedef int8_t PxI8;
typedef uint8_t PxU8;
typedef float PxF32;
typedef double PxF64;
typedef float PxReal;
// Int-as-bool type - has some uses for efficiency and with SIMD
typedef PxI32 PxIntBool;
static const PxIntBool PxIntFalse = 0;
static const PxIntBool PxIntTrue = 1;
#if !PX_DOXYGEN
} // namespace physx
#endif

#define PX_SIGN_BITMASK 0x80000000

// Type ranges

#define PX_MAX_F32 3.4028234663852885981170418348452e+38F
// maximum possible float value
#define PX_MAX_F64 DBL_MAX // maximum possible double value

#define PX_EPS_F32 FLT_EPSILON // maximum relative error of float rounding
#define PX_EPS_F64 DBL_EPSILON // maximum relative error of double rounding

#define PX_MAX_REAL PX_MAX_F32
#define PX_EPS_REAL PX_EPS_F32
#define PX_NORMALIZATION_EPSILON float(1e-20f)

// Legacy type ranges used by PhysX
#define PX_MAX_I8 INT8_MAX
#define PX_MIN_I8 INT8_MIN
#define PX_MAX_U8 UINT8_MAX
#define PX_MIN_U8 UINT8_MIN
#define PX_MAX_I16 INT16_MAX
#define PX_MIN_I16 INT16_MIN
#define PX_MAX_U16 UINT16_MAX
#define PX_MIN_U16 UINT16_MIN
#define PX_MAX_I32 INT32_MAX
#define PX_MIN_I32 INT32_MIN
#define PX_MAX_U32 UINT32_MAX
#define PX_MIN_U32 UINT32_MIN

#endif