view stat.h @ 268:ec4462c7f8b7

Extensive cleanup of beatnote specific variables Reorganize the beatnote specific variables in arrays indexed by the beatnote enum constants LO, HG, SR. Also reorganize DDS frequency related variables in arrays indexed by the DDS channel number.
author Daniele Nicolodi <daniele.nicolodi@obspm.fr>
date Thu, 09 Jul 2015 23:11:00 +0200
parents e04123ab79ef
children
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#ifndef __STAT_H__
#define __STAT_H__

struct stat {
	int samples;
	double mean;
	double slope;
	double previous;
};

void stat_zero(struct stat *s);
void stat_accumulate(struct stat *s, double value);

/* must be a power of two */
#define _ROLLMEAN_WLEN 16

struct rollmean {
	unsigned int nobs;
	double mean;
	double acc;
	double prev[_ROLLMEAN_WLEN];
};

void rollmean_zero(struct rollmean *s);
void rollmean_accumulate(struct rollmean *s, double value);

#endif