$#include "MathDefs.h"

static const float M_PI;
static const float M_HALF_PI;
static const int M_MIN_INT;
static const int M_MAX_INT;
static const unsigned M_MIN_UNSIGNED;
static const unsigned M_MAX_UNSIGNED;

static const float M_EPSILON;
static const float M_LARGE_EPSILON;
static const float M_MIN_NEARCLIP;
static const float M_MAX_FOV;
static const float M_LARGE_VALUE;
static const float M_INFINITY;
static const float M_DEGTORAD;
static const float M_DEGTORAD_2;
static const float M_RADTODEG;

enum Intersection
{
    OUTSIDE,
    INTERSECTS,
    INSIDE
};

bool Equals(float lhs, float rhs);
bool IsNaN(float value);
float Lerp(float lhs, float rhs, float t);
float Min(float lhs, float rhs);
float Max(float lhs, float rhs);
float Abs(float value);
float Sign(float value);

float Clamp(float value, float min, float max);
float SmoothStep(float lhs, float rhs, float t);

float Sin(float angle);
float Cos(float angle);
float Tan(float angle);
float Asin(float x);
float Acos(float x);
float Atan(float x);
float Atan2(float y, float x);

int Min @ MinInt(int lhs, int rhs);
int Max @ MaxInt(int lhs, int rhs);
int Abs @ AbsInt(int value);
int Clamp @ ClampInt(int value, int min, int max);

bool IsPowerOfTwo(unsigned value);

unsigned NextPowerOfTwo(unsigned value);

unsigned CountSetBits(unsigned value);

unsigned SDBMHash(unsigned hash, unsigned char c);
float Random();
float Random(float range);
float Random(float min, float max);
int Random @ RandomInt(int range);
int Random @ RandomInt(int min, int max);
float RandomNormal(float meanValue, float variance);