distrib/sources/mbk/mbk_math.h

   1 /******************************************************************************\
   2
   3 Bibliothèque de manipulation des objets mathématiques MBK.
   4
   5 \******************************************************************************/
   6
   7 // Définitions locales
   8
   9 typedef struct mbk_pwl_point {
  10   struct mbk_pwl_point  *PREV;
  11   struct mbk_pwl_point  *NEXT;
  12   double                 X;     // Point d'abscisse
  13   double                 Y;     // Ordonnée
  14   double                 P;     // Pente sur ce point
  15   double                 O;     // Origine de la pente
  16 } mbk_pwl_point_list ;
  17
  18 #define LAPLACEDATA(pt,i) ((mbk_laplace_data*) ((pt)->DATA + i * (pt)->SIZE ))
  19
  20 mbk_pwl_point_list* mbk_pwl_alloc_point( void );
  21 void mbk_pwl_free_point( mbk_pwl_point_list *pt );
  22 void mbk_pwl_free_point_list( mbk_pwl_point_list *head );
  23 void mbk_pwl_free_param_point_list( mbk_pwl_param_point_list *head );
  24 mbk_pwl* mbk_pwl_alloc_pwl( int n );
  25 char mbk_pwl_calc_deriv( char (*fn)(void*, double, double*),
  26                          void *data,
  27                          double x0,
  28                          double x1,
  29                          double *p
  30                        );
  31 char mbk_pwl_fill_point( char (*fn)(void*, double, double*),
  32                          void *data,
  33                          double x,
  34                          double x1,
  35                          double x2,
  36                          mbk_pwl_point_list *point
  37                        );
  38 int mbk_qsort_dbl_cmp( double *x1, double *x2 );
  39 mbk_pwl* mbk_pwl_create_surface( char (*fn)(void*, double, double*),
  40                                  void *data,
  41                                  double x0,
  42                                  double x1,
  43                                  mbk_pwl_param *param
  44                                );
  45 mbk_pwl* mbk_pwl_create_default( char (*fn)(void*, double, double*),
  46                                  void *data,
  47                                  double x0,
  48                                  double x1,
  49                                  mbk_pwl_param *param
  50                                );
  51 mbk_laplace* mbk_alloc_laplace( int n, int size );
  52 mbk_pwl* mbk_pwl_point_to_pwl( mbk_pwl_point_list *head );
  53 mbk_pwl_point_list* mbk_pwl_param_point_to_point(
  54                                         char (*fn)(void*, double, double* ),
  55                                         void *data,
  56                                         double x0,
  57                                         double x1,
  58                                         mbk_pwl_param *param
  59                                                 );
  60 long mbk_long_round(double val);
  61