include/sk_hist.h

   1 /* Apache 2.0 INS-AMU 2015 */
   2
   3 #ifndef SK_HIST_H
   4 #define SK_HIST_H
   5
   6 /**
   7  * t - time of positions in buffer
   8  */
   9 typedef struct
  10 {
  11         /*           nu+1   nu    nu    nu   nd, maxvi */
  12         int nd, nu, *lim, *len, *pos, *uvi, *vi, *vi2i, maxvi;
  13         /*   sum(len)  nu     nd                */
  14         double *buf, *maxd, *del, dt, t;
  15 } sk_hist;
  16
  17 /**
  18  * Aids in defining a new function to fill a history buffer.
  19  * See ::sk_hist_filler for details of the type signature.
  20  * \param name name of function being defined.
  21  */
  22 #define SK_DEFHFILL(name) void name\
  23         (void *data, int n, double *t, int *indices, double *buf)
  24
  25 /**
  26  * Signature of callback to fill a history buffer expected.
  27  * \param[in] data user data for history filler function
  28  * \param[in] n number of elements in the history buffer
  29  * \param[in] t vector of time for each element in history buffer
  30  * \param[in] indices variable index for each element in history buffer
  31  * \param[out] buf history buffer to fill
  32  */
  33 typedef SK_DEFHFILL((*sk_hist_filler));
  34
  35 void sk_hist_init(sk_hist *h, int nd, int *vi, double *vd, double t0, double dt);
  36
  37 void sk_hist_free(sk_hist *h);
  38
  39 void sk_hist_fill(sk_hist *h, sk_hist_filler filler, void *fill_data);
  40
  41 void sk_hist_get(sk_hist *h, double t, double *c);
  42
  43 void sk_hist_set(sk_hist *h, double t, double *x);
  44
  45 int sk_hist_nbytes(sk_hist *h);
  46
  47 /**
  48  * Fills the history with zeros.
  49  */
  50 void sk_hist_zero_filler(void *data, int n, double *t, int *indices, double *buf);
  51
  52 #endif