ghost_intrinsics.h

#if !defined(GHOST_INTRINSICS_H)

// TODO(): Convert all of these to platform-efficient versions
// and remove math.h
//m

#include "math.h"

inline int32
RoundReal32ToInt32(real32 Real32)
{
    int32 Result = (int32)roundf(Real32);
    return(Result);
}

inline uint32
RoundReal32ToUInt32(real32 Real32)
{
    uint32 Result = (uint32)roundf(Real32);
    return(Result);
}

inline int32 
FloorReal32ToInt32(real32 Real32)
{
    int32 Result = (int32)floorf(Real32);
    return(Result);
}

inline int32
TruncateReal32ToInt32(real32 Real32)
{
    int32 Result = (int32)Real32;
    return(Result);
}

inline real32
Sin(real32 Angle)
{
    real32 Result = sinf(Angle);
    return(Result);
}

inline real32
Cos(real32 Angle)
{
    real32 Result = cosf(Angle);
    return(Result);
}

inline real32
ATan2(real32 Y, real32 X)
{
    real32 Result = atan2f(Y, X);
    return(Result);
}

/*
struct bit_scan_result
{
    bool32 Found;
    uint32 Index;
};
inline bit_scan_result
FindLeastSignificantSetBit(uint32 Value)
{
    bit_scan_result Result = {};

#if COMPILER_MSVC
    Result.Found = _BitScanForward((unsigned long *)&Result.Index, Value);
#else
    for(uint32 Test = 0;
        Test < 32;
        ++Test)
    {
        if(Value & (1 << Test))
        {
            Result.Index = Test;
            Result.Found = true;
            break;
        }
    }
#endif
    
    return(Result);
}
*/
#define GHOST_INTRINSICS_H
#endif