barvinok/evalue.h

   1 #ifndef EVALUE_H
   2 #define EVALUE_H
   3
   4 #include <gmp.h>
   5
   6 #if defined(__cplusplus)
   7 extern "C" {
   8 #endif
   9
  10 #include <polylib/polylibgmp.h>
  11 #undef divide
  12 #undef value_compare
  13
  14 #define polynomial new_polynomial
  15 #define periodic new_periodic
  16 #define evector new_evector
  17 #define enode_type new_enode_type
  18 #define enode_node new_enode_node
  19 #define _enumeration _new_enumeration
  20 #define Enumeration _new_Enumeration
  21 #define enode _new_enode
  22 #define _enode _new__enode
  23 #define evalue _new_evalue
  24 #define _evalue _new__evalue
  25 #define eadd _new_eadd
  26 #define ecopy _new_ecopy
  27 #define new_enode _new_new_enode
  28 #define free_evalue_refs _new_free_evalue_refs
  29 #define print_evalue _new_print_evalue
  30 #define print_enode _new_print_enode
  31 #define reduce_evalue _new_reduce
  32 #define compute_evalue _new_compute_evalue
  33 #define compute_poly _new_compute_poly
  34 #define in_domain _new_in_domain
  35 #define Enumeration_Free _new_Enumeration_Free
  36
  37 typedef enum { polynomial, periodic, evector, fractional, relation,
  38                partition, flooring } enode_type;
  39
  40 typedef struct _evalue {
  41   Value d;              /* denominator */
  42   union {
  43     Value n;            /* numerator (if denominator > 0) */
  44     struct _enode *p;   /* pointer   (if denominator == 0) */
  45     Polyhedron *D;      /* domain    (if denominator == -1) */
  46   } x;
  47 } evalue;
  48
  49 #define EVALUE_DOMAIN(ev)       ((ev).x.D)
  50 #define EVALUE_SET_DOMAIN(ev, D)                \
  51     do {                                        \
  52         value_set_si((ev).d, -1);               \
  53         EVALUE_DOMAIN(ev) = D;                  \
  54     } while(0)
  55 #define EVALUE_IS_DOMAIN(ev)    (value_mone_p((ev).d))
  56
  57 #define EVALUE_IS_ZERO(ev)      (value_pos_p((ev).d) && value_zero_p((ev).x.n))
  58 #define EVALUE_IS_ONE(ev)       (value_one_p((ev).d) && value_one_p((ev).x.n))
  59
  60 typedef struct _enode {
  61   enode_type type;      /* polynomial or periodic or evector */
  62   int size;             /* number of attached pointers */
  63   int pos;              /* parameter position */
  64   evalue arr[1];        /* array of rational/pointer */
  65 } enode;
  66
  67 typedef struct _enumeration {
  68
  69   Polyhedron *ValidityDomain;    /* contraints on the parameters     */
  70   evalue EP;                     /* dimension = combined space       */
  71   struct _enumeration *next;     /* Ehrhart Polynomial, corresponding
  72                                     to parameter values inside the
  73                                     domain ValidityDomain below      */
  74 } Enumeration;
  75
  76
  77 void evalue_set_si(evalue *ev, int n, int d);
  78 void evalue_set(evalue *ev, Value n, Value d);
  79 void evalue_copy(evalue *dst, const evalue *src);
  80 evalue *evalue_zero();
  81 enode *new_enode(enode_type type,int size,int pos);
  82 enode *ecopy(enode *e);
  83 int eequal(evalue *e1,evalue *e2);
  84 void free_evalue_refs(evalue *e);
  85 void print_evalue(FILE *DST,evalue *e,char **pname);
  86 void print_enode(FILE *DST,enode *p,char **pname);
  87 void reduce_evalue (evalue *e);
  88 void reduce_evalue_in_domain(evalue *e, Polyhedron *D);
  89 void aep_evalue(evalue *e, int *ref);
  90 void addeliminatedparams_evalue(evalue *e,Matrix *CT);
  91 void addeliminatedparams_enum(evalue *e, Matrix *CT, Polyhedron *CEq,
  92                               unsigned MaxRays, unsigned nparam);
  93 void eadd(const evalue *e1, evalue *res);
  94 void emul (evalue *e1, evalue *res );
  95 void emask(evalue *mask, evalue *res);
  96 int in_domain(Polyhedron *P, Value *list_args);
  97 double compute_evalue(evalue *e,Value *list_args);
  98 Value *compute_poly(Enumeration *en,Value *list_args);
  99 void evalue_mod2table(evalue *ev, int nparam);
 100 void evalue_mod2relation(evalue *e);
 101 void evalue_combine(evalue *e);
 102 void evalue_range_reduction(evalue *e);
 103 int evalue_range_reduction_in_domain(evalue *e, Polyhedron *D);
 104 size_t evalue_size(evalue *e);
 105 size_t domain_size(Polyhedron *D);
 106 Enumeration* partition2enumeration(evalue *EP);
 107 void evalue_frac2floor(evalue *e);
 108 int evalue_frac2floor_in_domain(evalue *e, Polyhedron *D);
 109 evalue *esum(evalue *E, int nvar);
 110 void eor(evalue *e1, evalue *res);
 111 void evalue_denom(evalue *e, Value *d);
 112
 113 #if defined(__cplusplus)
 114 }
 115 #endif
 116
 117 #endif