#ifndef POINT_H_INCLUDED #define POINT_H_INCLUDED #include typedef struct { float x, y, z; } Point; Point point_make(float const x, float const y, float const z); bool point_equal(Point const comparand, Point const comparator); Point point_sum(Point const coord1, Point const coord2); Point point_scaled(Point const coord, float const r); float point_distance(Point const p1, Point const p2); #endif