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Diffstat (limited to 'mysql/decimal.h')
| -rw-r--r-- | mysql/decimal.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/mysql/decimal.h b/mysql/decimal.h deleted file mode 100644 index f963b6f..0000000 --- a/mysql/decimal.h +++ /dev/null @@ -1,137 +0,0 @@ -/* Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ - -#ifndef DECIMAL_INCLUDED -#define DECIMAL_INCLUDED - -typedef enum -{TRUNCATE=0, HALF_EVEN, HALF_UP, CEILING, FLOOR} - decimal_round_mode; -typedef int32 decimal_digit_t; - -/** - intg is the number of *decimal* digits (NOT number of decimal_digit_t's !) - before the point - frac is the number of decimal digits after the point - len is the length of buf (length of allocated space) in decimal_digit_t's, - not in bytes - sign false means positive, true means negative - buf is an array of decimal_digit_t's - */ -typedef struct st_decimal_t { - int intg, frac, len; - my_bool sign; - decimal_digit_t *buf; -} decimal_t; - -#ifndef MYSQL_ABI_CHECK -int internal_str2dec(const char *from, decimal_t *to, char **end, - my_bool fixed); -int decimal2string(const decimal_t *from, char *to, int *to_len, - int fixed_precision, int fixed_decimals, - char filler); -int decimal2ulonglong(decimal_t *from, ulonglong *to); -int ulonglong2decimal(ulonglong from, decimal_t *to); -int decimal2longlong(decimal_t *from, longlong *to); -int longlong2decimal(longlong from, decimal_t *to); -int decimal2double(const decimal_t *from, double *to); -int double2decimal(double from, decimal_t *to); -int decimal_actual_fraction(decimal_t *from); -int decimal2bin(decimal_t *from, uchar *to, int precision, int scale); -int bin2decimal(const uchar *from, decimal_t *to, int precision, int scale); - -/** - Convert decimal to lldiv_t. - The integer part is stored in to->quot. - The fractional part is multiplied to 10^9 and stored to to->rem. - @param from Decimal value - @param to lldiv_t value - @retval 0 on success - @retval !0 in error -*/ -int decimal2lldiv_t(const decimal_t *from, lldiv_t *to); - -/** - Convert doube to lldiv_t. - The integer part is stored in to->quot. - The fractional part is multiplied to 10^9 and stored to to->rem. - @param from Decimal value - @param to lldiv_t value - @retval 0 on success - @retval !0 in error -*/ - -int double2lldiv_t(double from, lldiv_t *to); -int decimal_size(int precision, int scale); -int decimal_bin_size(int precision, int scale); -int decimal_result_size(decimal_t *from1, decimal_t *from2, char op, - int param); - -int decimal_intg(const decimal_t *from); -int decimal_add(const decimal_t *from1, const decimal_t *from2, decimal_t *to); -int decimal_sub(const decimal_t *from1, const decimal_t *from2, decimal_t *to); -int decimal_cmp(const decimal_t *from1, const decimal_t *from2); -int decimal_mul(const decimal_t *from1, const decimal_t *from2, decimal_t *to); -int decimal_div(const decimal_t *from1, const decimal_t *from2, decimal_t *to, - int scale_incr); -int decimal_mod(const decimal_t *from1, const decimal_t *from2, decimal_t *to); -int decimal_round(const decimal_t *from, decimal_t *to, int new_scale, - decimal_round_mode mode); -int decimal_is_zero(const decimal_t *from); -void max_decimal(int precision, int frac, decimal_t *to); - -#define string2decimal(A,B,C) internal_str2dec((A), (B), (C), 0) -#define string2decimal_fixed(A,B,C) internal_str2dec((A), (B), (C), 1) - -/* set a decimal_t to zero */ - -#define decimal_make_zero(dec) do { \ - (dec)->buf[0]=0; \ - (dec)->intg=1; \ - (dec)->frac=0; \ - (dec)->sign=0; \ - } while(0) - -/* - returns the length of the buffer to hold string representation - of the decimal (including decimal dot, possible sign and \0) -*/ - -#define decimal_string_size(dec) (((dec)->intg ? (dec)->intg : 1) + \ - (dec)->frac + ((dec)->frac > 0) + 2) - -/* - conventions: - - decimal_smth() == 0 -- everything's ok - decimal_smth() <= 1 -- result is usable, but precision loss is possible - decimal_smth() <= 2 -- result can be unusable, most significant digits - could've been lost - decimal_smth() > 2 -- no result was generated -*/ - -#define E_DEC_OK 0 -#define E_DEC_TRUNCATED 1 -#define E_DEC_OVERFLOW 2 -#define E_DEC_DIV_ZERO 4 -#define E_DEC_BAD_NUM 8 -#define E_DEC_OOM 16 - -#define E_DEC_ERROR 31 -#define E_DEC_FATAL_ERROR 30 - -#endif // !MYSQL_ABI_CHECK - -#endif |