src/sf-dpq.h

   1 #ifndef GNM_SF_DPQ_H_
   2 #define GNM_SF_DPQ_H_
   3
   4 #include <numbers.h>
   5
   6 /* ------------------------------------------------------------------------- */
   7
   8 typedef gnm_float (*GnmPFunc) (gnm_float x, const gnm_float shape[],
   9                                gboolean lower_tail, gboolean log_p);
  10 typedef gnm_float (*GnmDPFunc) (gnm_float x, const gnm_float shape[],
  11                                 gboolean log_p);
  12
  13 gnm_float pfuncinverter (gnm_float p, const gnm_float shape[],
  14                          gboolean lower_tail, gboolean log_p,
  15                          gnm_float xlow, gnm_float xhigh, gnm_float x0,
  16                          GnmPFunc pfunc, GnmDPFunc dpfunc_dx);
  17 gnm_float discpfuncinverter (gnm_float p, const gnm_float shape[],
  18                              gboolean lower_tail, gboolean log_p,
  19                              gnm_float xlow, gnm_float xhigh, gnm_float x0,
  20                              GnmPFunc pfunc);
  21
  22 /* ------------------------------------------------------------------------- */
  23
  24 /* The normal distribution.  */
  25 gnm_float dnorm (gnm_float x, gnm_float mu, gnm_float sigma, gboolean give_log);
  26 gnm_float pnorm2 (gnm_float x1, gnm_float x2);
  27
  28 /* The log-normal distribution.  */
  29 gnm_float dlnorm (gnm_float x, gnm_float logmean, gnm_float logsd, gboolean give_log);
  30 gnm_float plnorm (gnm_float x, gnm_float logmean, gnm_float logsd, gboolean lower_tail, gboolean log_p);
  31 gnm_float qlnorm (gnm_float p, gnm_float logmean, gnm_float logsd, gboolean lower_tail, gboolean log_p);
  32
  33 /* ------------------------------------------------------------------------- */
  34 /* The Cauchy distribution */
  35
  36 gnm_float qcauchy (gnm_float p, gnm_float location, gnm_float scale,
  37                    gboolean lower_tail, gboolean log_p);
  38
  39 /* ------------------------------------------------------------------------- */
  40 /* Hyper-geometrical distribution.  */
  41
  42 gnm_float qhyper (gnm_float p, gnm_float r, gnm_float b, gnm_float n, gboolean lower_tail, gboolean log_p);
  43
  44 /* ------------------------------------------------------------------------- */
  45 /* Rayleigh distribution  */
  46
  47 gnm_float drayleigh (gnm_float x, gnm_float scale, gboolean give_log);
  48 gnm_float prayleigh (gnm_float x, gnm_float scale, gboolean lower_tail, gboolean log_p);
  49 gnm_float qrayleigh (gnm_float p, gnm_float scale, gboolean lower_tail, gboolean log_p);
  50
  51 /* ------------------------------------------------------------------------- */
  52
  53 #endif