|
| 1 | +#ifndef PGTYPES_NUMERIC |
| 2 | +#define PGTYPES_NUMERIC |
| 3 | + |
| 4 | +typedef unsigned char NumericDigit; |
| 5 | +typedef struct NumericVar |
| 6 | +{ |
| 7 | + int ndigits; /* number of digits in digits[] - can be 0! */ |
| 8 | + int weight; /* weight of first digit */ |
| 9 | + int rscale; /* result scale */ |
| 10 | + int dscale; /* display scale */ |
| 11 | + int sign; /* NUMERIC_POS, NUMERIC_NEG, or NUMERIC_NAN */ |
| 12 | + NumericDigit *buf; /* start of alloc'd space for digits[] */ |
| 13 | + NumericDigit *digits; /* decimal digits */ |
| 14 | +} NumericVar; |
| 15 | + |
| 16 | +NumericVar *PGTYPESnew(void); |
| 17 | +void PGTYPESnumeric_free(NumericVar *); |
| 18 | +NumericVar *PGTYPESnumeric_aton(char *, char **); |
| 19 | +char *PGTYPESnumeric_ntoa(NumericVar *); |
| 20 | +int PGTYPESnumeric_add(NumericVar *, NumericVar *, NumericVar *); |
| 21 | +int PGTYPESnumeric_sub(NumericVar *, NumericVar *, NumericVar *); |
| 22 | +int PGTYPESnumeric_mul(NumericVar *, NumericVar *, NumericVar *); |
| 23 | +int PGTYPESnumeric_div(NumericVar *, NumericVar *, NumericVar *); |
| 24 | +int PGTYPESnumeric_cmp(NumericVar *, NumericVar *); |
| 25 | +int PGTYPESnumeric_iton(signed int, NumericVar *); |
| 26 | +int PGTYPESnumeric_lton(signed long int, NumericVar *); |
| 27 | +int PGTYPESnumeric_copy(NumericVar *, NumericVar *); |
| 28 | +int PGTYPESnumeric_dton(double, NumericVar *); |
| 29 | +int PGTYPESnumeric_ntod(NumericVar *, double *); |
| 30 | +int PGTYPESnumeric_ntoi(NumericVar *, int *); |
| 31 | +int PGTYPESnumeric_ntol(NumericVar *, long *); |
| 32 | + |
| 33 | +int decadd(NumericVar *, NumericVar *, NumericVar *); |
| 34 | +int deccmp(NumericVar *, NumericVar *); |
| 35 | +void deccopy(NumericVar *, NumericVar *); |
| 36 | +int deccvasc(char *, int, NumericVar *); |
| 37 | +int deccvdbl(double, NumericVar *); |
| 38 | +int deccvint(int, NumericVar *); |
| 39 | +int deccvlong(long, NumericVar *); |
| 40 | +int decdiv(NumericVar *, NumericVar *, NumericVar *); |
| 41 | +int decmul(NumericVar *, NumericVar *, NumericVar *); |
| 42 | +int decsub(NumericVar *, NumericVar *, NumericVar *); |
| 43 | +int dectoasc(NumericVar *, char *, int, int); |
| 44 | +int dectodbl(NumericVar *, double *); |
| 45 | +int dectoint(NumericVar *, int *); |
| 46 | +int dectolong(NumericVar *, long *); |
| 47 | + |
| 48 | +#endif /* PGTYPES_NUMERIC */ |
0 commit comments