granicus.if.org Git - postgresql/blob - src/include/utils/cash.h

   1 /*
   2  * cash.h
   3  * Written by D'Arcy J.M. Cain
   4  *
   5  * Functions to allow input and output of money normally but store
   6  *      and handle it as 64 bit integer.
   7  */
   8
   9 #ifndef CASH_H
  10 #define CASH_H
  11
  12 #include "fmgr.h"
  13
  14 typedef int64 Cash;
  15
  16 /* Cash is pass-by-reference if and only if int64 is */
  17 #define DatumGetCash(X)         ((Cash) DatumGetInt64(X))
  18 #define CashGetDatum(X)         Int64GetDatum(X)
  19 #define PG_GETARG_CASH(n)       DatumGetCash(PG_GETARG_DATUM(n))
  20 #define PG_RETURN_CASH(x)       return CashGetDatum(x)
  21
  22 extern Datum cash_in(PG_FUNCTION_ARGS);
  23 extern Datum cash_out(PG_FUNCTION_ARGS);
  24 extern Datum cash_recv(PG_FUNCTION_ARGS);
  25 extern Datum cash_send(PG_FUNCTION_ARGS);
  26
  27 extern Datum cash_eq(PG_FUNCTION_ARGS);
  28 extern Datum cash_ne(PG_FUNCTION_ARGS);
  29 extern Datum cash_lt(PG_FUNCTION_ARGS);
  30 extern Datum cash_le(PG_FUNCTION_ARGS);
  31 extern Datum cash_gt(PG_FUNCTION_ARGS);
  32 extern Datum cash_ge(PG_FUNCTION_ARGS);
  33 extern Datum cash_cmp(PG_FUNCTION_ARGS);
  34
  35 extern Datum cash_pl(PG_FUNCTION_ARGS);
  36 extern Datum cash_mi(PG_FUNCTION_ARGS);
  37
  38 extern Datum cash_mul_flt8(PG_FUNCTION_ARGS);
  39 extern Datum flt8_mul_cash(PG_FUNCTION_ARGS);
  40 extern Datum cash_div_flt8(PG_FUNCTION_ARGS);
  41
  42 extern Datum cash_mul_flt4(PG_FUNCTION_ARGS);
  43 extern Datum flt4_mul_cash(PG_FUNCTION_ARGS);
  44 extern Datum cash_div_flt4(PG_FUNCTION_ARGS);
  45
  46 extern Datum cash_mul_int8(PG_FUNCTION_ARGS);
  47 extern Datum int8_mul_cash(PG_FUNCTION_ARGS);
  48 extern Datum cash_div_int8(PG_FUNCTION_ARGS);
  49
  50 extern Datum cash_mul_int4(PG_FUNCTION_ARGS);
  51 extern Datum int4_mul_cash(PG_FUNCTION_ARGS);
  52 extern Datum cash_div_int4(PG_FUNCTION_ARGS);
  53
  54 extern Datum cash_mul_int2(PG_FUNCTION_ARGS);
  55 extern Datum int2_mul_cash(PG_FUNCTION_ARGS);
  56 extern Datum cash_div_int2(PG_FUNCTION_ARGS);
  57
  58 extern Datum cashlarger(PG_FUNCTION_ARGS);
  59 extern Datum cashsmaller(PG_FUNCTION_ARGS);
  60
  61 extern Datum cash_words(PG_FUNCTION_ARGS);
  62
  63 #endif   /* CASH_H */