jump/ringbuf.h

#ifndef _JUMP_RINGBUF_H
#define _JUMP_RINGBUF_H 1

#define RINGBUF_MAX_SIZE 100

struct ringbuf
{
	float buf[RINGBUF_MAX_SIZE];
	float sum;
	float sum2;
	int cap;
	int p;
	int full;
};

extern int ringbuf_init(struct ringbuf *ringbuf, int cap);
extern void ringbuf_push(struct ringbuf *ringbuf, float value);
extern int ringbuf_size(struct ringbuf *ringbuf);
extern float ringbuf_mean(struct ringbuf *ringbuf);
extern float ringbuf_variance(struct ringbuf *ringbuf);
extern float ringbuf_stdev(struct ringbuf *ringbuf);

#endif

/* vim: set ts=8 sw=8 sts=8 noet: */