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b8b2e3b2de
The latter was already the dominant use, and it's preferable because in C the convention is that intXX means XX bits. Therefore, allowing mixed use of int2, int4, int8, int16, int32 is obviously confusing. Remove the typedefs for int2 and int4 for now. They don't seem to be widely used outside of the PostgreSQL source tree, and the few uses can probably be cleaned up by the time this ships.
175 lines
5.0 KiB
C
175 lines
5.0 KiB
C
/*
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* contrib/intarray/_int.h
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*/
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#ifndef ___INT_H__
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#define ___INT_H__
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#include "utils/array.h"
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/* number ranges for compression */
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#define MAXNUMRANGE 100
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/* useful macros for accessing int4 arrays */
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#define ARRPTR(x) ( (int32 *) ARR_DATA_PTR(x) )
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#define ARRNELEMS(x) ArrayGetNItems(ARR_NDIM(x), ARR_DIMS(x))
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/* reject arrays we can't handle; to wit, those containing nulls */
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#define CHECKARRVALID(x) \
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do { \
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if (ARR_HASNULL(x) && array_contains_nulls(x)) \
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ereport(ERROR, \
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(errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), \
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errmsg("array must not contain nulls"))); \
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} while(0)
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#define ARRISEMPTY(x) (ARRNELEMS(x) == 0)
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/* sort the elements of the array */
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#define SORT(x) \
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do { \
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int _nelems_ = ARRNELEMS(x); \
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if (_nelems_ > 1) \
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isort(ARRPTR(x), _nelems_); \
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} while(0)
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/* sort the elements of the array and remove duplicates */
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#define PREPAREARR(x) \
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do { \
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int _nelems_ = ARRNELEMS(x); \
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if (_nelems_ > 1) \
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if (isort(ARRPTR(x), _nelems_)) \
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(x) = _int_unique(x); \
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} while(0)
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/* "wish" function */
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#define WISH_F(a,b,c) (double)( -(double)(((a)-(b))*((a)-(b))*((a)-(b)))*(c) )
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/* bigint defines */
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#define SIGLENINT 63 /* >122 => key will toast, so very slow!!! */
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#define SIGLEN ( sizeof(int)*SIGLENINT )
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#define SIGLENBIT (SIGLEN*BITS_PER_BYTE)
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typedef char BITVEC[SIGLEN];
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typedef char *BITVECP;
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#define LOOPBYTE \
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for(i=0;i<SIGLEN;i++)
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/* beware of multiple evaluation of arguments to these macros! */
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#define GETBYTE(x,i) ( *( (BITVECP)(x) + (int)( (i) / BITS_PER_BYTE ) ) )
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#define GETBITBYTE(x,i) ( (*((char*)(x)) >> (i)) & 0x01 )
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#define CLRBIT(x,i) GETBYTE(x,i) &= ~( 0x01 << ( (i) % BITS_PER_BYTE ) )
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#define SETBIT(x,i) GETBYTE(x,i) |= ( 0x01 << ( (i) % BITS_PER_BYTE ) )
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#define GETBIT(x,i) ( (GETBYTE(x,i) >> ( (i) % BITS_PER_BYTE )) & 0x01 )
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#define HASHVAL(val) (((unsigned int)(val)) % SIGLENBIT)
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#define HASH(sign, val) SETBIT((sign), HASHVAL(val))
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/*
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* type of index key
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*/
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typedef struct
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{
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int32 vl_len_; /* varlena header (do not touch directly!) */
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int32 flag;
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char data[1];
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} GISTTYPE;
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#define ALLISTRUE 0x04
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#define ISALLTRUE(x) ( ((GISTTYPE*)x)->flag & ALLISTRUE )
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#define GTHDRSIZE (VARHDRSZ + sizeof(int32))
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#define CALCGTSIZE(flag) ( GTHDRSIZE+(((flag) & ALLISTRUE) ? 0 : SIGLEN) )
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#define GETSIGN(x) ( (BITVECP)( (char*)x+GTHDRSIZE ) )
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/*
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* types for functions
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*/
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typedef ArrayType *(*formarray) (ArrayType *, ArrayType *);
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typedef void (*formfloat) (ArrayType *, float *);
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/*
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* useful functions
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*/
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bool isort(int32 *a, int len);
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ArrayType *new_intArrayType(int num);
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ArrayType *copy_intArrayType(ArrayType *a);
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ArrayType *resize_intArrayType(ArrayType *a, int num);
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int internal_size(int *a, int len);
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ArrayType *_int_unique(ArrayType *a);
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int32 intarray_match_first(ArrayType *a, int32 elem);
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ArrayType *intarray_add_elem(ArrayType *a, int32 elem);
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ArrayType *intarray_concat_arrays(ArrayType *a, ArrayType *b);
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ArrayType *int_to_intset(int32 elem);
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bool inner_int_overlap(ArrayType *a, ArrayType *b);
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bool inner_int_contains(ArrayType *a, ArrayType *b);
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ArrayType *inner_int_union(ArrayType *a, ArrayType *b);
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ArrayType *inner_int_inter(ArrayType *a, ArrayType *b);
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void rt__int_size(ArrayType *a, float *size);
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void gensign(BITVEC sign, int *a, int len);
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/*****************************************************************************
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* Boolean Search
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*****************************************************************************/
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#define BooleanSearchStrategy 20
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/*
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* item in polish notation with back link
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* to left operand
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*/
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typedef struct ITEM
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{
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int16 type;
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int16 left;
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int32 val;
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} ITEM;
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typedef struct QUERYTYPE
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{
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int32 vl_len_; /* varlena header (do not touch directly!) */
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int32 size; /* number of ITEMs */
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ITEM items[1]; /* variable length array */
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} QUERYTYPE;
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#define HDRSIZEQT offsetof(QUERYTYPE, items)
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#define COMPUTESIZE(size) ( HDRSIZEQT + (size) * sizeof(ITEM) )
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#define GETQUERY(x) ( (x)->items )
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/* "type" codes for ITEM */
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#define END 0
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#define ERR 1
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#define VAL 2
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#define OPR 3
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#define OPEN 4
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#define CLOSE 5
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/* fmgr macros for QUERYTYPE objects */
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#define DatumGetQueryTypeP(X) ((QUERYTYPE *) PG_DETOAST_DATUM(X))
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#define DatumGetQueryTypePCopy(X) ((QUERYTYPE *) PG_DETOAST_DATUM_COPY(X))
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#define PG_GETARG_QUERYTYPE_P(n) DatumGetQueryTypeP(PG_GETARG_DATUM(n))
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#define PG_GETARG_QUERYTYPE_P_COPY(n) DatumGetQueryTypePCopy(PG_GETARG_DATUM(n))
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bool signconsistent(QUERYTYPE *query, BITVEC sign, bool calcnot);
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bool execconsistent(QUERYTYPE *query, ArrayType *array, bool calcnot);
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bool gin_bool_consistent(QUERYTYPE *query, bool *check);
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bool query_has_required_values(QUERYTYPE *query);
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int compASC(const void *a, const void *b);
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int compDESC(const void *a, const void *b);
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/* sort, either ascending or descending */
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#define QSORT(a, direction) \
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do { \
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int _nelems_ = ARRNELEMS(a); \
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if (_nelems_ > 1) \
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qsort((void*) ARRPTR(a), _nelems_, sizeof(int32), \
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(direction) ? compASC : compDESC ); \
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} while(0)
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#endif /* ___INT_H__ */
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