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Viewing changes to src/interfaces/ecpg/include/pgtypes_numeric.h

  • Committer: alvherre
  • Date: 2005-12-16 21:24:52 UTC
  • Revision ID: svn-v4:db760fc0-0f08-0410-9d63-cc6633f64896:trunk:1
Initial import of the REL8_0_3 sources from the Pgsql CVS repository.

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src/interfaces/ecpg/include/pgtypes_numeric.h
 
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#ifndef PGTYPES_NUMERIC
 
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#define PGTYPES_NUMERIC
 
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#define NUMERIC_POS                                             0x0000
 
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#define NUMERIC_NEG                                             0x4000
 
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#define NUMERIC_NAN                                             0xC000
 
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#define NUMERIC_MAX_PRECISION                   1000
 
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#define NUMERIC_MAX_DISPLAY_SCALE               NUMERIC_MAX_PRECISION
 
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#define NUMERIC_MIN_DISPLAY_SCALE               0
 
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#define NUMERIC_MIN_SIG_DIGITS                  16
 
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#define DECSIZE 30
 
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typedef unsigned char NumericDigit;
 
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typedef struct
 
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{
 
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        int                     ndigits;                /* number of digits in digits[] - can be
 
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                                                                 * 0! */
 
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        int                     weight;                 /* weight of first digit */
 
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        int                     rscale;                 /* result scale */
 
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        int                     dscale;                 /* display scale */
 
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        int                     sign;                   /* NUMERIC_POS, NUMERIC_NEG, or
 
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                                                                 * NUMERIC_NAN */
 
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        NumericDigit *buf;                      /* start of alloc'd space for digits[] */
 
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        NumericDigit *digits;           /* decimal digits */
 
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} numeric;
 
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typedef struct
 
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{
 
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        int                     ndigits;                /* number of digits in digits[] - can be
 
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                                                                 * 0! */
 
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        int                     weight;                 /* weight of first digit */
 
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        int                     rscale;                 /* result scale */
 
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        int                     dscale;                 /* display scale */
 
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        int                     sign;                   /* NUMERIC_POS, NUMERIC_NEG, or
 
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                                                                 * NUMERIC_NAN */
 
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        NumericDigit digits[DECSIZE];           /* decimal digits */
 
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} decimal;
 
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#ifdef __cplusplus
 
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extern          "C"
 
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{
 
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#endif
 
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numeric    *PGTYPESnumeric_new(void);
 
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void            PGTYPESnumeric_free(numeric *);
 
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numeric    *PGTYPESnumeric_from_asc(char *, char **);
 
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char       *PGTYPESnumeric_to_asc(numeric *, int);
 
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int                     PGTYPESnumeric_add(numeric *, numeric *, numeric *);
 
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int                     PGTYPESnumeric_sub(numeric *, numeric *, numeric *);
 
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int                     PGTYPESnumeric_mul(numeric *, numeric *, numeric *);
 
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int                     PGTYPESnumeric_div(numeric *, numeric *, numeric *);
 
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int                     PGTYPESnumeric_cmp(numeric *, numeric *);
 
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int                     PGTYPESnumeric_from_int(signed int, numeric *);
 
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int                     PGTYPESnumeric_from_long(signed long int, numeric *);
 
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int                     PGTYPESnumeric_copy(numeric *, numeric *);
 
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int                     PGTYPESnumeric_from_double(double, numeric *);
 
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int                     PGTYPESnumeric_to_double(numeric *, double *);
 
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int                     PGTYPESnumeric_to_int(numeric *, int *);
 
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int                     PGTYPESnumeric_to_long(numeric *, long *);
 
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int                     PGTYPESnumeric_to_decimal(numeric *, decimal *);
 
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int                     PGTYPESnumeric_from_decimal(decimal *, numeric *);
 
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#ifdef __cplusplus
 
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}
 
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#endif
 
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#endif   /* PGTYPES_NUMERIC */