//
//  RParticleGlobalStuff.h
//  cocos2d_libs
//
//  Created by 徐俊杰 on 2020/6/15.
//

#ifndef RParticleGlobalStuff_h
#define RParticleGlobalStuff_h

#include "rparticle/Macros/RParticleMacros.h"
#include "rparticle/Math/FloatConversion.h"
#include "base/allocator/CCAllocatorBase.h"

NS_RRP_BEGIN

#if ANDROID
#define UNITY_LL_ALLOC(s,a) ::memalign(a, s)
#define UNITY_LL_REALLOC(p,s,a) ::realloc(p, s)
#define UNITY_LL_FREE(p) ::free(p)
#else
#define UNITY_LL_ALLOC(s,a) ::malloc(s)
#define UNITY_LL_REALLOC(p,s,a) ::realloc(p, s)
#define UNITY_LL_FREE(p) ::free(p)
#endif
void* malloc_internal(size_t size, int align);
#define UNITY_MALLOC_ALIGNED(size, align)    malloc_internal(size, align)

#define ALLOC_TEMP_MANUAL(type,count) \
(type*)UNITY_MALLOC_ALIGNED((count) * sizeof (type), cocos2d::allocator::AllocatorBase::kDefaultAlignment)

//inline float FastInvSqrt( float f )
//{
//    // The Newton iteration trick used in FastestInvSqrt is a bit faster on
//    // Pentium4 / Windows, but lower precision. Doing two iterations is precise enough,
//    // but actually a bit slower.
//    if (fabs(f) == 0.0F)
//        return f;
//    return 1.0F / sqrtf (f);
//}

inline Vector2f NormalizeFast (const Vector2f& inV)
{
    float m = SqrMagnitude (inV);
    // GCC version of __frsqrte:
    //    static inline double __frsqrte (double x) {
    //        double y;
    //        asm ( "frsqrte %0, %1" : /*OUT*/ "=f" (y) : /*IN*/ "f" (x) );
    //        return y;
    //    }
    return inV * FastInvSqrt (m);
}

//inline UInt32 FloorfToIntPos (float f)
//{
//    DebugAssertIf (f < 0 || f > UINT_MAX);
//    return (UInt32)f;
//}

NS_RRP_END

#endif /* RParticleGlobalStuff_h */