barvinok/evalue.h

   1 #ifndef EV_OPERATIONS_H
   2 #define EV_OPERATIONS_H
   3
   4 #if defined(__cplusplus)
   5 extern "C" {
   6 #endif
   7
   8 #include <polylib/polylibgmp.h>
   9 #undef divide
  10
  11 #define polynomial new_polynomial
  12 #define periodic new_periodic
  13 #define evector new_evector
  14 #define enode_type new_enode_type
  15 #define enode_node new_enode_node
  16 #define _enumeration _new_enumeration
  17 #define Enumeration _new_Enumeration
  18 #define enode _new_enode
  19 #define _enode _new__enode
  20 #define evalue _new_evalue
  21 #define _evalue _new__evalue
  22 #define eadd _new_eadd
  23 #define ecopy _new_ecopy
  24 #define new_enode _new_new_enode
  25 #define free_evalue_refs _new_free_evalue_refs
  26 #define print_evalue _new_print_evalue
  27 #define print_enode _new_print_enode
  28 #define reduce_evalue _new_reduce
  29 #define compute_evalue _new_compute_evalue
  30 #define compute_poly _new_compute_poly
  31 #define in_domain _new_in_domain
  32 #define Enumeration_Free _new_Enumeration_Free
  33
  34 typedef enum { polynomial, periodic, evector, fractional, relation,
  35                partition, flooring } enode_type;
  36
  37 typedef struct _evalue {
  38   Value d;              /* denominator */
  39   union {
  40     Value n;            /* numerator (if denominator > 0) */
  41     struct _enode *p;   /* pointer   (if denominator == 0) */
  42     Polyhedron *D;      /* domain    (if denominator == -1) */
  43   } x;
  44 } evalue;
  45
  46 #define EVALUE_DOMAIN(ev)       ((ev).x.D)
  47 #define EVALUE_SET_DOMAIN(ev, D)                \
  48     do {                                        \
  49         value_set_si((ev).d, -1);               \
  50         EVALUE_DOMAIN(ev) = D;                  \
  51     } while(0)
  52 #define EVALUE_IS_DOMAIN(ev)    (value_mone_p((ev).d))
  53
  54 #define EVALUE_IS_ZERO(ev)      (value_pos_p((ev).d) && value_zero_p((ev).x.n))
  55 #define EVALUE_IS_ONE(ev)       (value_one_p((ev).d) && value_one_p((ev).x.n))
  56
  57 typedef struct _enode {
  58   enode_type type;      /* polynomial or periodic or evector */
  59   int size;             /* number of attached pointers */
  60   int pos;              /* parameter position */
  61   evalue arr[1];        /* array of rational/pointer */
  62 } enode;
  63
  64 typedef struct _enumeration {
  65
  66   Polyhedron *ValidityDomain;    /* contraints on the parameters     */
  67   evalue EP;                     /* dimension = combined space       */
  68   struct _enumeration *next;     /* Ehrhart Polynomial, corresponding
  69                                     to parameter values inside the
  70                                     domain ValidityDomain below      */
  71 } Enumeration;
  72
  73
  74 void evalue_set_si(evalue *ev, int n, int d);
  75 void evalue_set(evalue *ev, Value n, Value d);
  76 void evalue_copy(evalue *dst, evalue *src);
  77 evalue *evalue_zero();
  78 enode *new_enode(enode_type type,int size,int pos);
  79 enode *ecopy(enode *e);
  80 int eequal(evalue *e1,evalue *e2);
  81 void free_evalue_refs(evalue *e);
  82 void print_evalue(FILE *DST,evalue *e,char **pname);
  83 void print_enode(FILE *DST,enode *p,char **pname);
  84 void reduce_evalue (evalue *e);
  85 void reduce_evalue_in_domain(evalue *e, Polyhedron *D);
  86 void aep_evalue(evalue *e, int *ref);
  87 void addeliminatedparams_evalue(evalue *e,Matrix *CT);
  88 void addeliminatedparams_enum(evalue *e, Matrix *CT, Polyhedron *CEq,
  89                               unsigned MaxRays, unsigned nparam);
  90 void eadd(evalue *e1,evalue *res);
  91 void emul (evalue *e1, evalue *res );
  92 void emask(evalue *mask, evalue *res);
  93 int in_domain(Polyhedron *P, Value *list_args);
  94 double compute_evalue(evalue *e,Value *list_args);
  95 Value *compute_poly(Enumeration *en,Value *list_args);
  96 void evalue_mod2table(evalue *ev, int nparam);
  97 void evalue_mod2relation(evalue *e);
  98 void evalue_combine(evalue *e);
  99 void evalue_range_reduction(evalue *e);
 100 int evalue_range_reduction_in_domain(evalue *e, Polyhedron *D);
 101 size_t evalue_size(evalue *e);
 102 size_t domain_size(Polyhedron *D);
 103 Enumeration* partition2enumeration(evalue *EP);
 104 void evalue_frac2floor(evalue *e);
 105 int evalue_frac2floor_in_domain(evalue *e, Polyhedron *D);
 106 evalue *esum(evalue *E, int nvar);
 107 void eor(evalue *e1, evalue *res);
 108 void evalue_denom(evalue *e, Value *d);
 109
 110 #if defined(__cplusplus)
 111 }
 112 #endif
 113
 114 #endif