vector.h

#ifndef VECTOR_H_
#define VECTOR_H_

#include <math.h>

typedef struct
{
        float x, y, z;

} vector;

vector* create_vector(float x, float y, float z);

vector* create_randomized_vector(float min, float max);

vector* copy_vector(vector* init);

void destroy_vector(vector* v);

inline void vector_init(vector* v, int init);

/* The performance of these vector instructions could be improved on x86 using hand-coded SSE intrinsics,
though the compiler may do that itself. */
inline void vector_add(vector* a, vector* b);

inline void vector_sub(vector* a, vector* b);

inline void vector_mul(vector* a, vector* b);

inline void vector_mul_scalar(vector* a, float b);

inline void vector_div(vector* a, vector* b);

inline void vector_div_scalar(vector* v, float divisor);

inline float vector_distance(vector* a, vector* b);

inline float vector_magnitude(vector* v);

inline void vector_normalize(vector* v);

inline void vector_clamp(vector* v, vector* min, vector* max);

inline void vector_clamp_scalar(vector* v, float min, float max);

#endif