accwin.h

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#ifndef ACCWIN_H
#define ACCWIN_H
 
#include <stdint.h>
 
typedef struct {
    float    D[9];      
    float    sum[3];
    uint16_t n;
} accwin_t;
 
void accwin_reset(accwin_t *w);
void accwin_add(accwin_t *w, const float acc[3]);           
void accwin_rotate(accwin_t *w, const float E[9]);          
int  accwin_mean(const accwin_t *w, float out[3]);          
#endif /* ACCWIN_H */