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annotate stat.h @ 142:fd085d61e4ca

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Rework data logging
author Daniele Nicolodi <daniele.nicolodi@obspm.fr>
date Wed, 22 Jan 2014 14:45:23 +0100
parents e04123ab79ef
children
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7540703b8473 Major code cleanup. Implement beatnote recentering.
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
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1 #ifndef __STAT_H__
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2 #define __STAT_H__
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3
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4 struct stat {
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5 int samples;
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6 double mean;
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7 double slope;
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8 double previous;
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9 };
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10
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11 void stat_zero(struct stat *s);
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12 void stat_accumulate(struct stat *s, double value);
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13
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14 /* must be a power of two */
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15 #define _ROLLMEAN_WLEN 16
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16
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17 struct rollmean {
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18 unsigned int nobs;
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19 double mean;
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20 double acc;
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21 double prev[_ROLLMEAN_WLEN];
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22 };
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23
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24 void rollmean_zero(struct rollmean *s);
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25 void rollmean_accumulate(struct rollmean *s, double value);
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26
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27 #endif