#ifndef _RESULT_H
#define _RESULT_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>

typedef int64_t result_t;

struct psum {
	union {
		struct { result_t forward, up, down; };
		result_t _fields[3];
	};
};

typedef struct nsum {
	result_t hoz, depth;
} position_t;

#ifdef DEBUG
static
#else
extern 
#endif
inline __attribute__((gnu_inline, const)) position_t normalise_position(struct psum p)
{
	return (struct nsum) {
		.hoz = p.forward,
		.depth = p.down - p.up,
	};
}

#ifdef __cplusplus
}
#endif

#endif /* _RESULT_H */