#include <float.h>
#include <math.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "mprec.h"
#include "numeric_opfunc.h"
#include "tz_support.h"
#include "db_date.h"
#include "memory_alloc.h"
#include "system_parameter.h"
#include "byte_order.h"
#include "object_primitive.h"
#include "object_representation.h"
#include "dbtype.h"

Include dependency graph for numeric_opfunc.c:

Classes
struct	dec_string

Macros
#define	DB_LONG_NUMERIC_MULTIPLIER 2

#define	CARRYOVER(arg) ((arg) >> 8)

#define	GET_LOWER_BYTE(arg) ((arg) & 0xff)

#define	NUMERIC_ABS(a) ((a) >= 0 ? a : -a)

#define	TWICE_NUM_MAX_PREC (2*DB_MAX_NUMERIC_PRECISION)

#define	SECONDS_IN_A_DAY (int)(24L * 60L * 60L)

#define	ROUND(x) ((x) > 0 ? ((x) + .5) : ((x) - .5))

Typedefs
typedef struct dec_string	DEC_STRING

typedef enum fp_value_type	FP_VALUE_TYPE

Enumerations
enum	fp_value_type { FP_VALUE_TYPE_NUMBER, FP_VALUE_TYPE_INFINITE, FP_VALUE_TYPE_NAN, FP_VALUE_TYPE_ZERO }

Functions
static bool	numeric_is_negative (DB_C_NUMERIC arg)

static void	numeric_copy (DB_C_NUMERIC dest, DB_C_NUMERIC source)

static void	numeric_copy_long (DB_C_NUMERIC dest, DB_C_NUMERIC source, bool is_long_num)

static void	numeric_increase (DB_C_NUMERIC answer)

static void	numeric_increase_long (DB_C_NUMERIC answer, bool is_long_num)

static void	numeric_decrease (DB_C_NUMERIC answer)

static void	numeric_zero (DB_C_NUMERIC answer, int size)

static void	numeric_init_dec_str (DEC_STRING *answer)

static void	numeric_add_dec_str (DEC_STRING arg1, DEC_STRING arg2, DEC_STRING *answer)

static void	numeric_init_pow_of_2_helper (void)

static DEC_STRING *	numeric_get_pow_of_2 (int exp)

static void	numeric_init_pow_of_10_helper (void)

static DB_C_NUMERIC	numeric_get_pow_of_10 (int exp)

static void	numeric_double_shift_bit (DB_C_NUMERIC arg1, DB_C_NUMERIC arg2, int numbits, DB_C_NUMERIC lsb, DB_C_NUMERIC msb, bool is_long_num)

static int	numeric_compare_pos (DB_C_NUMERIC arg1, DB_C_NUMERIC arg2)

static void	numeric_negate (DB_C_NUMERIC answer)

static void	numeric_negate_long (DB_C_NUMERIC answer, bool is_long_num)

static void	numeric_shift_byte (DB_C_NUMERIC arg, int numbytes, DB_C_NUMERIC answer, int length)

static bool	numeric_is_zero (DB_C_NUMERIC arg)

static bool	numeric_is_long (DB_C_NUMERIC arg)

static bool	numeric_is_bigint (DB_C_NUMERIC arg)

static bool	numeric_is_bit_set (DB_C_NUMERIC arg, int pos)

static bool	numeric_overflow (DB_C_NUMERIC arg, int exp)

static void	numeric_add (DB_C_NUMERIC arg1, DB_C_NUMERIC arg2, DB_C_NUMERIC answer, int size)

static void	numeric_sub (DB_C_NUMERIC arg1, DB_C_NUMERIC arg2, DB_C_NUMERIC answer, int size)

static void	numeric_mul (DB_C_NUMERIC a1, DB_C_NUMERIC a2, bool *positive_flag, DB_C_NUMERIC answer)

static void	numeric_long_div (DB_C_NUMERIC a1, DB_C_NUMERIC a2, DB_C_NUMERIC answer, DB_C_NUMERIC remainder, bool is_long_num)

static void	numeric_div (DB_C_NUMERIC arg1, DB_C_NUMERIC arg2, DB_C_NUMERIC answer, DB_C_NUMERIC remainder)

static int	numeric_compare (DB_C_NUMERIC arg1, DB_C_NUMERIC arg2)

static int	numeric_scale_by_ten (DB_C_NUMERIC arg, bool is_long_num)

static int	numeric_scale_dec (const DB_C_NUMERIC arg, int dscale, DB_C_NUMERIC answer)

static int	numeric_scale_dec_long (DB_C_NUMERIC answer, int dscale, bool is_long_num)

static int	numeric_common_prec_scale (const DB_VALUE dbv1, const DB_VALUE dbv2, DB_VALUE dbv1_common, DB_VALUE dbv2_common)

static int	numeric_prec_scale_when_overflow (const DB_VALUE dbv1, const DB_VALUE dbv2, DB_VALUE dbv1_common, DB_VALUE dbv2_common)

static void	numeric_coerce_big_num_to_dec_str (unsigned char num, char dec_str)

static int	numeric_get_msb_for_dec (int src_prec, int src_scale, unsigned char src, int dest_prec, int *dest_scale, DB_C_NUMERIC dest)

static int	numeric_fast_convert (double adouble, int dst_scale, DB_C_NUMERIC num, int prec, int scale)

static FP_VALUE_TYPE	get_fp_value_type (double d)

static int	numeric_internal_real_to_num (double adouble, int dst_scale, DB_C_NUMERIC num, int prec, int scale, bool is_float)

static void	numeric_get_integral_part (const DB_C_NUMERIC num, const int src_prec, const int src_scale, const int dst_prec, DB_C_NUMERIC dest)

static void	numeric_get_fractional_part (const DB_C_NUMERIC num, const int src_scale, const int dst_prec, DB_C_NUMERIC dest)

static bool	numeric_is_fraction_part_zero (const DB_C_NUMERIC num, const int scale)

static bool	numeric_is_longnum_value (DB_C_NUMERIC arg)

static int	numeric_longnum_to_shortnum (DB_C_NUMERIC answer, DB_C_NUMERIC long_arg)

static void	numeric_shortnum_to_longnum (DB_C_NUMERIC long_answer, DB_C_NUMERIC arg)

static int	get_significant_digit (DB_BIGINT i)

static void	numeric_negative_one (DB_C_NUMERIC answer, int size)

int	numeric_db_value_add (const DB_VALUE dbv1, const DB_VALUE dbv2, DB_VALUE *answer)

int	numeric_db_value_sub (const DB_VALUE dbv1, const DB_VALUE dbv2, DB_VALUE *answer)

int	numeric_db_value_mul (const DB_VALUE dbv1, const DB_VALUE dbv2, DB_VALUE *answer)

int	numeric_db_value_div (const DB_VALUE dbv1, const DB_VALUE dbv2, DB_VALUE *answer)

int	numeric_db_value_negate (DB_VALUE *answer)

void	numeric_db_value_abs (DB_C_NUMERIC src_num, DB_C_NUMERIC dest_num)

int	numeric_db_value_is_positive (const DB_VALUE *dbvalue)

int	numeric_db_value_compare (const DB_VALUE dbv1, const DB_VALUE dbv2, DB_VALUE *answer)

void	numeric_coerce_int_to_num (int arg, DB_C_NUMERIC answer)

void	numeric_coerce_bigint_to_num (DB_BIGINT arg, DB_C_NUMERIC answer)

void	numeric_coerce_num_to_int (DB_C_NUMERIC arg, int *answer)

int	numeric_coerce_num_to_bigint (DB_C_NUMERIC arg, int scale, DB_BIGINT *answer)

void	numeric_coerce_dec_str_to_num (const char *dec_str, DB_C_NUMERIC result)

void	numeric_coerce_num_to_dec_str (DB_C_NUMERIC num, char *dec_str)

void	numeric_coerce_num_to_double (DB_C_NUMERIC num, int scale, double *adouble)

int	numeric_internal_double_to_num (double adouble, int dst_scale, DB_C_NUMERIC num, int prec, int scale)

int	numeric_internal_float_to_num (float afloat, int dst_scale, DB_C_NUMERIC num, int prec, int scale)

int	numeric_coerce_string_to_num (const char astring, int astring_length, INTL_CODESET codeset, DB_VALUE result)

int	numeric_coerce_num_to_num (DB_C_NUMERIC src_num, int src_prec, int src_scale, int dest_prec, int dest_scale, DB_C_NUMERIC dest_num)

int	numeric_db_value_coerce_to_num (DB_VALUE src, DB_VALUE dest, DB_DATA_STATUS *data_status)

int	numeric_db_value_coerce_from_num (DB_VALUE src, DB_VALUE dest, DB_DATA_STATUS *data_status)

int	numeric_db_value_coerce_from_num_strict (DB_VALUE src, DB_VALUE dest)

char *	numeric_db_value_print (const DB_VALUE val, char buf)

bool	numeric_db_value_is_zero (const DB_VALUE *arg)

int	numeric_db_value_increase (DB_VALUE *arg)

Variables
static const char	fast_mod [20]

static DEC_STRING	powers_of_2 [DB_NUMERIC_BUF_SIZE *16]

static bool	initialized_2 = false

static unsigned char	powers_of_10 [TWICE_NUM_MAX_PREC+1][DB_NUMERIC_BUF_SIZE]

static bool	initialized_10 = false

static double	numeric_Pow_of_10 [10]

Macro Definition Documentation

#define CARRYOVER ( arg ) ((arg) >> 8)

Definition at line 58 of file numeric_opfunc.c.

Referenced by numeric_add(), numeric_mul(), and numeric_scale_by_ten().

#define DB_LONG_NUMERIC_MULTIPLIER 2

Definition at line 56 of file numeric_opfunc.c.

Referenced by numeric_copy_long(), numeric_db_value_div(), numeric_double_shift_bit(), numeric_increase_long(), numeric_is_longnum_value(), numeric_long_div(), numeric_longnum_to_shortnum(), numeric_negate_long(), numeric_scale_by_ten(), and numeric_shortnum_to_longnum().

#define GET_LOWER_BYTE ( arg ) ((arg) & 0xff)

Definition at line 59 of file numeric_opfunc.c.

Referenced by numeric_add(), numeric_mul(), and numeric_scale_by_ten().

#define NUMERIC_ABS ( a ) ((a) >= 0 ? a : -a)

Definition at line 60 of file numeric_opfunc.c.

Referenced by numeric_internal_real_to_num().

#define ROUND ( x ) ((x) > 0 ? ((x) + .5) : ((x) - .5))

Definition at line 64 of file numeric_opfunc.c.

Referenced by numeric_db_value_coerce_from_num(), and numeric_db_value_coerce_from_num_strict().

#define SECONDS_IN_A_DAY (int)(24L * 60L * 60L)

Definition at line 62 of file numeric_opfunc.c.

Referenced by numeric_db_value_coerce_from_num().

#define TWICE_NUM_MAX_PREC (2*DB_MAX_NUMERIC_PRECISION)

Definition at line 61 of file numeric_opfunc.c.

Referenced by numeric_add_dec_str(), numeric_coerce_big_num_to_dec_str(), numeric_coerce_num_to_dec_str(), numeric_coerce_num_to_double(), numeric_coerce_string_to_num(), numeric_get_msb_for_dec(), numeric_init_dec_str(), numeric_init_pow_of_10_helper(), and numeric_init_pow_of_2_helper().

Typedef Documentation

typedef struct dec_string DEC_STRING

Definition at line 66 of file numeric_opfunc.c.

typedef enum fp_value_type FP_VALUE_TYPE

Enumeration Type Documentation

enum fp_value_type

Enumerator
FP_VALUE_TYPE_NUMBER
FP_VALUE_TYPE_INFINITE
FP_VALUE_TYPE_NAN
FP_VALUE_TYPE_ZERO

Definition at line 89 of file numeric_opfunc.c.

Function Documentation

FP_VALUE_TYPE get_fp_value_type ( double d )

static

Definition at line 2817 of file numeric_opfunc.c.

References FP_VALUE_TYPE_INFINITE, FP_VALUE_TYPE_NAN, FP_VALUE_TYPE_NUMBER, and FP_VALUE_TYPE_ZERO.

Referenced by numeric_internal_real_to_num().

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static int get_significant_digit ( DB_BIGINT i )

static

Definition at line 3358 of file numeric_opfunc.c.

Referenced by numeric_db_value_coerce_to_num().

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static void numeric_add	(	DB_C_NUMERIC	arg1,
		DB_C_NUMERIC	arg2,
		DB_C_NUMERIC	answer,
		int	size
	)

static

Definition at line 820 of file numeric_opfunc.c.

References CARRYOVER, and GET_LOWER_BYTE.

Referenced by numeric_coerce_dec_str_to_num(), numeric_coerce_num_to_bigint(), numeric_db_value_add(), numeric_db_value_div(), numeric_long_div(), numeric_mul(), and numeric_sub().

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static void numeric_add_dec_str	(	DEC_STRING *	arg1,
		DEC_STRING *	arg2,
		DEC_STRING *	answer
	)

static

Definition at line 334 of file numeric_opfunc.c.

References assert, dec_string::digits, fast_mod, and TWICE_NUM_MAX_PREC.

Referenced by numeric_coerce_big_num_to_dec_str(), numeric_coerce_num_to_dec_str(), and numeric_init_pow_of_2_helper().

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static void numeric_coerce_big_num_to_dec_str	(	unsigned char *	num,
		char *	dec_str
	)

static

Definition at line 1472 of file numeric_opfunc.c.

References assert, DB_NUMERIC_BUF_SIZE, dec_string::digits, i, numeric_add_dec_str(), numeric_get_pow_of_2(), numeric_init_dec_str(), numeric_is_bit_set(), and TWICE_NUM_MAX_PREC.

Referenced by numeric_get_msb_for_dec().

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void numeric_coerce_bigint_to_num	(	DB_BIGINT	arg,
		DB_C_NUMERIC	answer
	)

Definition at line 2276 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE.

Referenced by numeric_db_value_coerce_to_num(), and numeric_div().

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void numeric_coerce_dec_str_to_num	(	const char *	dec_str,
		DB_C_NUMERIC	result
	)

Definition at line 2426 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE, numeric_add(), numeric_coerce_int_to_num(), numeric_negate(), numeric_scale_dec(), numeric_zero(), and strlen.

Referenced by bfmt_print(), db_ceil_dbval(), db_floor_dbval(), db_round_dbval(), db_trunc_dbval(), db_value_domain_max(), db_value_domain_min(), db_value_domain_zero(), ldr_int_db_bigint(), ldr_int_elem(), numeric_coerce_num_to_num(), numeric_coerce_string_to_num(), numeric_get_fractional_part(), numeric_get_integral_part(), numeric_get_msb_for_dec(), numeric_internal_real_to_num(), cubload::to_db_bigint(), and cubload::to_int_generic().

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void numeric_coerce_int_to_num	(	int	arg,
		DB_C_NUMERIC	answer
	)

Definition at line 2245 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE.

Referenced by boot_define_serial(), numeric_coerce_dec_str_to_num(), numeric_db_value_coerce_to_num(), numeric_div(), numeric_long_div(), and serial_get_nth_value().

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int numeric_coerce_num_to_bigint	(	DB_C_NUMERIC	arg,
		int	scale,
		DB_BIGINT *	answer
	)

Definition at line 2350 of file numeric_opfunc.c.

References db_numeric::buf, db_numeric::d, DB_NUMERIC_BUF_SIZE, ER_IT_DATA_OVERFLOW, i, NO_ERROR, numeric_add(), numeric_copy(), numeric_decrease(), numeric_div(), numeric_get_pow_of_10(), numeric_increase(), numeric_is_bigint(), numeric_is_negative(), numeric_is_zero(), numeric_negate(), and powers_of_10.

Referenced by ldr_int_db_bigint(), ldr_int_elem(), numeric_db_value_coerce_from_num(), numeric_db_value_coerce_from_num_strict(), numeric_div(), cubload::to_db_bigint(), and cubload::to_int_generic().

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void numeric_coerce_num_to_dec_str	(	DB_C_NUMERIC	num,
		char *	dec_str
	)

Definition at line 2485 of file numeric_opfunc.c.

References assert, DB_NUMERIC_BUF_SIZE, dec_string::digits, i, numeric_add_dec_str(), numeric_copy(), numeric_get_pow_of_2(), numeric_init_dec_str(), numeric_is_bit_set(), numeric_is_negative(), numeric_negate(), and TWICE_NUM_MAX_PREC.

Referenced by db_ceil_dbval(), db_floor_dbval(), db_round_dbval(), db_trunc_dbval(), get_number_dbval_as_long_double(), num_fmt_print(), numeric_coerce_num_to_double(), numeric_coerce_num_to_num(), numeric_db_value_print(), numeric_get_fractional_part(), numeric_get_integral_part(), and numeric_is_fraction_part_zero().

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void numeric_coerce_num_to_double	(	DB_C_NUMERIC	num,
		int	scale,
		double *	adouble
	)

void numeric_coerce_num_to_int	(	DB_C_NUMERIC	arg,
		int *	answer
	)

Definition at line 2311 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE, and numeric_is_negative().

Referenced by numeric_div().

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int numeric_coerce_num_to_num	(	DB_C_NUMERIC	src_num,
		int	src_prec,
		int	src_scale,
		int	dest_prec,
		int	dest_scale,
		DB_C_NUMERIC	dest_num
	)

Definition at line 3238 of file numeric_opfunc.c.

References DB_MAX_NUMERIC_PRECISION, er_errid(), ER_FAILED, ER_IT_DATA_OVERFLOW, i, NO_ERROR, NULL, numeric_coerce_dec_str_to_num(), numeric_coerce_num_to_dec_str(), numeric_copy(), numeric_increase(), numeric_is_negative(), numeric_negate(), and strlen.

Referenced by coerce_char_to_dbvalue(), numeric_db_value_coerce_to_num(), and numeric_prec_scale_when_overflow().

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int numeric_coerce_string_to_num	(	const char *	astring,
		int	astring_length,
		INTL_CODESET	codeset,
		DB_VALUE *	result
	)

Definition at line 3066 of file numeric_opfunc.c.

References ARG_FILE_LINE, DB_DEFAULT_NUMERIC_PRECISION, DB_DEFAULT_NUMERIC_SCALE, db_make_numeric(), DB_MAX_NUMERIC_PRECISION, DB_NUMERIC_BUF_SIZE, DB_TYPE_NUMERIC, db_value_domain_init(), DOMAIN_INCOMPATIBLE, er_errid(), ER_ERROR_SEVERITY, ER_FAILED, ER_IT_DATA_OVERFLOW, er_set(), i, intl_is_space(), NO_ERROR, NULL, numeric_coerce_dec_str_to_num(), numeric_negate(), pr_type_name(), tp_domain_resolve_default(), TP_DOMAIN_TYPE, and TWICE_NUM_MAX_PREC.

Referenced by coerce_char_to_dbvalue(), db_format(), db_value_to_value(), do_alter_serial(), do_create_auto_increment_serial(), do_create_serial(), do_update_maxvalue_of_auto_increment_serial(), jsp_unpack_numeric_value(), make_number(), pt_db_value_initialize(), and tp_atonumeric().

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static int numeric_common_prec_scale	(	const DB_VALUE *	dbv1,
		const DB_VALUE *	dbv2,
		DB_VALUE *	dbv1_common,
		DB_VALUE *	dbv2_common
	)

static

Definition at line 1357 of file numeric_opfunc.c.

References ARG_FILE_LINE, db_locate_numeric, db_make_numeric(), DB_MAX_NUMERIC_PRECISION, DB_NUMERIC_BUF_SIZE, DB_TYPE_NUMERIC, DB_VALUE_PRECISION, DB_VALUE_SCALE, ER_IT_DATA_OVERFLOW, er_set(), ER_WARNING_SEVERITY, NO_ERROR, numeric_scale_dec(), pr_type_name(), tp_domain_resolve_default(), and TP_DOMAIN_TYPE.

Referenced by numeric_db_value_add(), numeric_db_value_compare(), and numeric_db_value_sub().

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static int numeric_compare	(	DB_C_NUMERIC	arg1,
		DB_C_NUMERIC	arg2
	)

static

Definition at line 1205 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE, numeric_compare_pos(), numeric_copy(), numeric_is_negative(), and numeric_negate().

Referenced by numeric_db_value_compare(), and numeric_db_value_div().

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static int numeric_compare_pos	(	DB_C_NUMERIC	arg1,
		DB_C_NUMERIC	arg2
	)

static

Definition at line 573 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE.

Referenced by numeric_compare(), numeric_long_div(), and numeric_overflow().

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static void numeric_copy	(	DB_C_NUMERIC	dest,
		DB_C_NUMERIC	source
	)

static

Definition at line 177 of file numeric_opfunc.c.

References numeric_copy_long().

Referenced by numeric_coerce_num_to_bigint(), numeric_coerce_num_to_dec_str(), numeric_coerce_num_to_num(), numeric_compare(), numeric_db_value_abs(), numeric_db_value_coerce_to_num(), numeric_db_value_div(), numeric_double_shift_bit(), numeric_get_msb_for_dec(), numeric_long_div(), numeric_longnum_to_shortnum(), numeric_mul(), numeric_overflow(), numeric_prec_scale_when_overflow(), numeric_scale_dec(), numeric_shortnum_to_longnum(), and numeric_sub().

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static void numeric_copy_long	(	DB_C_NUMERIC	dest,
		DB_C_NUMERIC	source,
		bool	is_long_num
	)

static

Definition at line 191 of file numeric_opfunc.c.

References assert, DB_LONG_NUMERIC_MULTIPLIER, DB_NUMERIC_BUF_SIZE, and NULL.

Referenced by numeric_copy(), numeric_double_shift_bit(), and numeric_long_div().

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void numeric_db_value_abs	(	DB_C_NUMERIC	src_num,
		DB_C_NUMERIC	dest_num
	)

Definition at line 2074 of file numeric_opfunc.c.

References numeric_copy(), numeric_is_negative(), and numeric_negate().

Referenced by db_abs_dbval().

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int numeric_db_value_add	(	const DB_VALUE *	dbv1,
		const DB_VALUE *	dbv2,
		DB_VALUE *	answer
	)

Definition at line 1594 of file numeric_opfunc.c.

References ARG_FILE_LINE, DB_DEFAULT_PRECISION, DB_DEFAULT_SCALE, DB_IS_NULL, db_locate_numeric, db_make_null(), db_make_numeric(), DB_MAX_NUMERIC_PRECISION, DB_NUMERIC_BUF_SIZE, DB_TYPE_NUMERIC, db_value_domain_init(), DB_VALUE_PRECISION, DB_VALUE_SCALE, DB_VALUE_TYPE, er_clear(), er_errid(), ER_FAILED, ER_IT_DATA_OVERFLOW, ER_OBJ_INVALID_ARGUMENTS, er_set(), ER_WARNING_SEVERITY, NO_ERROR, NULL, numeric_add(), numeric_common_prec_scale(), numeric_overflow(), numeric_prec_scale_when_overflow(), pr_type_name(), tp_domain_resolve_default(), and TP_DOMAIN_TYPE.

Referenced by emit_instance_attributes(), export_serial(), pt_evaluate_db_value_expr(), qdata_add_numeric(), qdata_add_numeric_to_dbval(), serial_get_nth_value(), and sl_write_update_sql().

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int numeric_db_value_coerce_from_num	(	DB_VALUE *	src,
		DB_VALUE *	dest,
		DB_DATA_STATUS *	data_status
	)

Definition at line 3519 of file numeric_opfunc.c.

References assert, DATA_STATUS_OK, db_datetime::date, DB_CURRENCY_DEFAULT, db_date_decode(), db_locate_numeric, db_make_bigint(), db_make_char(), db_make_date(), db_make_datetime(), db_make_double(), db_make_float(), db_make_int(), db_make_monetary(), db_make_nchar(), db_make_short(), db_make_time(), db_make_timestamp(), db_make_varchar(), db_make_varnchar(), db_private_alloc, db_time_decode(), DB_TYPE_BIGINT, DB_TYPE_CHAR, DB_TYPE_DATE, DB_TYPE_DATETIME, DB_TYPE_DOUBLE, DB_TYPE_FLOAT, DB_TYPE_INTEGER, DB_TYPE_MONETARY, DB_TYPE_NCHAR, DB_TYPE_NUMERIC, DB_TYPE_SMALLINT, DB_TYPE_TIME, DB_TYPE_TIMESTAMP, DB_TYPE_VARCHAR, DB_TYPE_VARNCHAR, DB_VALUE_DOMAIN_TYPE, DB_VALUE_SCALE, DOMAIN_INCOMPATIBLE, er_errid(), ER_FAILED, ER_IT_DATA_OVERFLOW, LANG_SYS_CODESET, LANG_SYS_COLLATION, MILLISECONDS_OF_ONE_DAY, db_value::need_clear, NO_ERROR, NULL, numeric_coerce_num_to_bigint(), numeric_coerce_num_to_double(), numeric_db_value_coerce_to_num(), numeric_db_value_print(), NUMERIC_MAX_STRING_SIZE, OR_CHECK_DOUBLE_OVERFLOW, OR_CHECK_FLOAT_OVERFLOW, OR_CHECK_INT_OVERFLOW, OR_CHECK_SHORT_OVERFLOW, return_string(), ROUND, SECONDS_IN_A_DAY, strlen, and db_datetime::time.

Referenced by db_value_get(), heap_set_autoincrement_value(), populate_auto_increment(), qdata_coerce_numeric_to_double(), and tp_value_cast_internal().

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int numeric_db_value_coerce_from_num_strict	(	DB_VALUE *	src,
		DB_VALUE *	dest
	)

Definition at line 3730 of file numeric_opfunc.c.

References DATA_STATUS_OK, DB_CURRENCY_DEFAULT, db_locate_numeric, db_make_bigint(), db_make_double(), db_make_float(), db_make_int(), db_make_monetary(), db_make_short(), DB_TYPE_BIGINT, DB_TYPE_DOUBLE, DB_TYPE_FLOAT, DB_TYPE_INTEGER, DB_TYPE_MONETARY, DB_TYPE_NUMERIC, DB_TYPE_SMALLINT, DB_VALUE_DOMAIN_TYPE, DB_VALUE_SCALE, ER_FAILED, NO_ERROR, numeric_coerce_num_to_bigint(), numeric_coerce_num_to_double(), numeric_db_value_coerce_to_num(), numeric_is_fraction_part_zero(), OR_CHECK_DOUBLE_OVERFLOW, OR_CHECK_FLOAT_OVERFLOW, OR_CHECK_INT_OVERFLOW, OR_CHECK_SHORT_OVERFLOW, and ROUND.

Referenced by tp_value_coerce_strict().

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int numeric_db_value_coerce_to_num	(	DB_VALUE *	src,
		DB_VALUE *	dest,
		DB_DATA_STATUS *	data_status
	)

Definition at line 3387 of file numeric_opfunc.c.

References DATA_STATUS_OK, DATA_STATUS_TRUNCATED, db_get_bigint(), db_get_double(), db_get_enum_short(), db_get_float(), db_get_int(), db_get_short(), db_locate_numeric, db_make_numeric(), DB_NUMERIC_BUF_SIZE, DB_TYPE_BIGINT, DB_TYPE_DOUBLE, DB_TYPE_ENUMERATION, DB_TYPE_FLOAT, DB_TYPE_INTEGER, DB_TYPE_MONETARY, DB_TYPE_NUMERIC, DB_TYPE_SMALLINT, db_value_get_monetary_amount_as_double(), DB_VALUE_PRECISION, DB_VALUE_SCALE, DB_VALUE_TYPE, er_errid(), ER_FAILED, ER_IT_DATA_OVERFLOW, get_significant_digit(), NO_ERROR, numeric_coerce_bigint_to_num(), numeric_coerce_int_to_num(), numeric_coerce_num_to_num(), numeric_copy(), numeric_internal_double_to_num(), and numeric_internal_float_to_num().

Referenced by coerce_numeric_to_dbvalue(), csect_start_scan(), db_mod_bigint(), db_mod_int(), db_mod_numeric(), db_mod_short(), do_alter_serial(), do_change_auto_increment_serial(), do_create_auto_increment_serial(), do_create_serial(), do_update_maxvalue_of_auto_increment_serial(), numeric_db_value_coerce_from_num(), numeric_db_value_coerce_from_num_strict(), pgbuf_start_scan(), qdata_coerce_dbval_to_numeric(), tp_value_cast_internal(), and tp_value_coerce_strict().

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int numeric_db_value_compare	(	const DB_VALUE *	dbv1,
		const DB_VALUE *	dbv2,
		DB_VALUE *	answer
	)

Definition at line 2122 of file numeric_opfunc.c.

References DB_DEFAULT_PRECISION, DB_DEFAULT_SCALE, DB_IS_NULL, db_locate_numeric, db_make_int(), db_make_null(), DB_NUMERIC_BUF_SIZE, DB_TYPE_INTEGER, DB_TYPE_NUMERIC, db_value_domain_init(), DB_VALUE_PRECISION, DB_VALUE_SCALE, DB_VALUE_TYPE, er_clear(), ER_FAILED, ER_IT_DATA_OVERFLOW, ER_OBJ_INVALID_ARGUMENTS, NO_ERROR, NULL, numeric_common_prec_scale(), numeric_compare(), numeric_get_fractional_part(), and numeric_get_integral_part().

Referenced by check_serial_invariants(), db_width_bucket_calculate_numeric(), do_alter_serial(), do_change_auto_increment_serial(), do_create_auto_increment_serial(), do_create_serial(), emit_instance_attributes(), export_serial(), mr_cmpval_numeric(), mr_data_cmpdisk_numeric(), serial_get_next_cached_value(), and serial_get_nth_value().

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int numeric_db_value_div	(	const DB_VALUE *	dbv1,
		const DB_VALUE *	dbv2,
		DB_VALUE *	answer
	)

Definition at line 1873 of file numeric_opfunc.c.

References ARG_FILE_LINE, DB_DEFAULT_NUMERIC_DIVISION_SCALE, DB_DEFAULT_PRECISION, DB_DEFAULT_SCALE, DB_IS_NULL, db_locate_numeric, DB_LONG_NUMERIC_MULTIPLIER, db_make_null(), db_make_numeric(), DB_MAX_NUMERIC_PRECISION, DB_NUMERIC_BUF_SIZE, DB_TYPE_NUMERIC, db_value_domain_init(), DB_VALUE_PRECISION, DB_VALUE_SCALE, DB_VALUE_TYPE, er_errid(), ER_FAILED, ER_IT_DATA_OVERFLOW, ER_OBJ_INVALID_ARGUMENTS, er_set(), ER_WARNING_SEVERITY, NO_ERROR, NULL, numeric_add(), numeric_compare(), numeric_copy(), numeric_decrease(), numeric_div(), numeric_increase(), numeric_is_longnum_value(), numeric_is_negative(), numeric_long_div(), numeric_longnum_to_shortnum(), numeric_negate(), numeric_overflow(), numeric_scale_dec_long(), numeric_shortnum_to_longnum(), pr_type_name(), prm_get_bool_value(), PRM_ID_COMPAT_NUMERIC_DIVISION_SCALE, tp_domain_resolve_default(), and TP_DOMAIN_TYPE.

Referenced by db_width_bucket_calculate_numeric(), pt_evaluate_db_value_expr(), qdata_divide_bigint_to_dbval(), qdata_divide_int_to_dbval(), qdata_divide_numeric_to_dbval(), and qdata_divide_short_to_dbval().

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int numeric_db_value_increase ( DB_VALUE * arg )

Definition at line 3937 of file numeric_opfunc.c.

References db_get_numeric(), DB_IS_NULL, DB_TYPE_NUMERIC, DB_VALUE_TYPE, ER_OBJ_INVALID_ARGUMENTS, NO_ERROR, and numeric_increase().

int numeric_db_value_is_positive ( const DB_VALUE * dbvalue )

Definition at line 2089 of file numeric_opfunc.c.

References DB_IS_NULL, db_locate_numeric, DB_TYPE_NUMERIC, DB_VALUE_TYPE, ER_OBJ_INVALID_ARGUMENTS, NULL, and numeric_is_negative().

Referenced by heap_object_upgrade_domain(), and serial_get_nth_value().

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bool numeric_db_value_is_zero ( const DB_VALUE * arg )

Definition at line 3916 of file numeric_opfunc.c.

References db_get_numeric(), DB_IS_NULL, and numeric_is_zero().

Referenced by pt_evaluate_db_value_expr(), and qdata_is_divided_zero().

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int numeric_db_value_mul	(	const DB_VALUE *	dbv1,
		const DB_VALUE *	dbv2,
		DB_VALUE *	answer
	)

Definition at line 1795 of file numeric_opfunc.c.

References DB_DEFAULT_PRECISION, DB_DEFAULT_SCALE, DB_IS_NULL, db_locate_numeric, db_make_null(), db_make_numeric(), DB_NUMERIC_BUF_SIZE, DB_TYPE_NUMERIC, db_value_domain_init(), DB_VALUE_PRECISION, DB_VALUE_SCALE, DB_VALUE_TYPE, er_errid(), ER_FAILED, ER_OBJ_INVALID_ARGUMENTS, NO_ERROR, NULL, numeric_get_msb_for_dec(), numeric_mul(), and numeric_negate().

Referenced by do_alter_serial(), do_create_serial(), pt_evaluate_db_value_expr(), qdata_multiply_numeric(), qdata_multiply_numeric_to_dbval(), and serial_get_nth_value().

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int numeric_db_value_negate ( DB_VALUE * answer )

Definition at line 2047 of file numeric_opfunc.c.

References DB_IS_NULL, db_locate_numeric, DB_TYPE_NUMERIC, DB_VALUE_TYPE, ER_OBJ_INVALID_ARGUMENTS, NO_ERROR, NULL, and numeric_negate().

Referenced by pt_evaluate_db_value_expr(), and qdata_unary_minus_dbval().

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char* numeric_db_value_print	(	const DB_VALUE *	val,
		char *	buf
	)

Definition at line 3846 of file numeric_opfunc.c.

References assert, db_get_numeric(), DB_IS_NULL, db_value_scale(), i, NULL, and numeric_coerce_num_to_dec_str().

Referenced by db_conv(), object_printer::describe_attribute(), db_value_printer::describe_data(), emit_autoincrement_def(), emit_instance_attributes(), export_serial(), fprint_special_strings(), jsp_get_value_size(), jsp_pack_numeric_argument(), number_to_char(), numeric_db_value_coerce_from_num(), numeric_to_string(), pt_dbval_to_value(), sl_write_update_sql(), tp_value_cast_internal(), and valcnv_convert_data_to_string().

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int numeric_db_value_sub	(	const DB_VALUE *	dbv1,
		const DB_VALUE *	dbv2,
		DB_VALUE *	answer
	)

Definition at line 1694 of file numeric_opfunc.c.

References ARG_FILE_LINE, DB_DEFAULT_PRECISION, DB_DEFAULT_SCALE, DB_IS_NULL, db_locate_numeric, db_make_null(), db_make_numeric(), DB_MAX_NUMERIC_PRECISION, DB_NUMERIC_BUF_SIZE, DB_TYPE_NUMERIC, db_value_domain_init(), DB_VALUE_PRECISION, DB_VALUE_SCALE, DB_VALUE_TYPE, er_clear(), er_errid(), ER_FAILED, ER_IT_DATA_OVERFLOW, ER_OBJ_INVALID_ARGUMENTS, er_set(), ER_WARNING_SEVERITY, NO_ERROR, NULL, numeric_common_prec_scale(), numeric_overflow(), numeric_prec_scale_when_overflow(), numeric_sub(), pr_type_name(), tp_domain_resolve_default(), and TP_DOMAIN_TYPE.

Referenced by db_width_bucket_calculate_numeric(), do_alter_serial(), do_create_serial(), emit_instance_attributes(), export_serial(), pt_evaluate_db_value_expr(), qdata_subtract_bigint_to_dbval(), qdata_subtract_int_to_dbval(), qdata_subtract_numeric_to_dbval(), qdata_subtract_short_to_dbval(), and serial_get_nth_value().

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static void numeric_decrease ( DB_C_NUMERIC answer )

static

Definition at line 262 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE.

Referenced by numeric_coerce_num_to_bigint(), and numeric_db_value_div().

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static void numeric_div	(	DB_C_NUMERIC	arg1,
		DB_C_NUMERIC	arg2,
		DB_C_NUMERIC	answer,
		DB_C_NUMERIC	remainder
	)

static

Definition at line 1047 of file numeric_opfunc.c.

References numeric_coerce_bigint_to_num(), numeric_coerce_int_to_num(), numeric_coerce_num_to_bigint(), numeric_coerce_num_to_int(), numeric_is_bigint(), numeric_is_long(), numeric_is_zero(), and numeric_long_div().

Referenced by numeric_coerce_num_to_bigint(), and numeric_db_value_div().

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static void numeric_double_shift_bit	(	DB_C_NUMERIC	arg1,
		DB_C_NUMERIC	arg2,
		int	numbits,
		DB_C_NUMERIC	lsb,
		DB_C_NUMERIC	msb,
		bool	is_long_num
	)

static

Definition at line 519 of file numeric_opfunc.c.

References DB_LONG_NUMERIC_MULTIPLIER, DB_NUMERIC_BUF_SIZE, numeric_copy(), and numeric_copy_long().

Referenced by numeric_long_div().

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static int numeric_fast_convert	(	double	adouble,
		int	dst_scale,
		DB_C_NUMERIC	num,
		int *	prec,
		int *	scale
	)

static

Definition at line 2572 of file numeric_opfunc.c.

References DB_INT32_MAX, DB_INT32_MIN, DB_NUMERIC_BUF_SIZE, NO_ERROR, and numeric_Pow_of_10.

static void numeric_get_fractional_part	(	const DB_C_NUMERIC	num,
		const int	src_scale,
		const int	dst_prec,
		DB_C_NUMERIC	dest
	)

static

Definition at line 2715 of file numeric_opfunc.c.

References assert, DB_MAX_NUMERIC_PRECISION, DB_NUMERIC_BUF_SIZE, i, numeric_coerce_dec_str_to_num(), numeric_coerce_num_to_dec_str(), numeric_is_negative(), numeric_negate(), numeric_zero(), and strlen.

Referenced by numeric_db_value_compare().

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static void numeric_get_integral_part	(	const DB_C_NUMERIC	num,
		const int	src_prec,
		const int	src_scale,
		const int	dst_prec,
		DB_C_NUMERIC	dest
	)

static

Definition at line 2662 of file numeric_opfunc.c.

References assert, DB_MAX_NUMERIC_PRECISION, DB_NUMERIC_BUF_SIZE, i, numeric_coerce_dec_str_to_num(), numeric_coerce_num_to_dec_str(), numeric_is_negative(), numeric_negate(), numeric_zero(), and strlen.

Referenced by numeric_db_value_compare().

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static int numeric_get_msb_for_dec	(	int	src_prec,
		int	src_scale,
		unsigned char *	src,
		int *	dest_prec,
		int *	dest_scale,
		DB_C_NUMERIC	dest
	)

static

Definition at line 1524 of file numeric_opfunc.c.

References DB_MAX_NUMERIC_PRECISION, DB_NUMERIC_BUF_SIZE, ER_IT_DATA_OVERFLOW, NO_ERROR, numeric_coerce_big_num_to_dec_str(), numeric_coerce_dec_str_to_num(), numeric_copy(), numeric_is_zero(), and TWICE_NUM_MAX_PREC.

Referenced by numeric_db_value_mul().

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static DB_C_NUMERIC numeric_get_pow_of_10 ( int exp )

static

Definition at line 474 of file numeric_opfunc.c.

References assert, initialized_10, numeric_init_pow_of_10_helper(), and powers_of_10.

Referenced by numeric_coerce_num_to_bigint(), and numeric_overflow().

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static DEC_STRING * numeric_get_pow_of_2 ( int exp )

static

Definition at line 415 of file numeric_opfunc.c.

References assert, DB_NUMERIC_BUF_SIZE, initialized_2, and numeric_init_pow_of_2_helper().

Referenced by numeric_coerce_big_num_to_dec_str(), and numeric_coerce_num_to_dec_str().

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static void numeric_increase ( DB_C_NUMERIC answer )

static

Definition at line 219 of file numeric_opfunc.c.

References numeric_increase_long().

Referenced by numeric_coerce_num_to_bigint(), numeric_coerce_num_to_num(), numeric_db_value_div(), and numeric_db_value_increase().

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static void numeric_increase_long	(	DB_C_NUMERIC	answer,
		bool	is_long_num
	)

static

Definition at line 233 of file numeric_opfunc.c.

References DB_LONG_NUMERIC_MULTIPLIER, and DB_NUMERIC_BUF_SIZE.

Referenced by numeric_increase(), and numeric_negate_long().

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static void numeric_init_dec_str ( DEC_STRING * answer )

static

Definition at line 314 of file numeric_opfunc.c.

References dec_string::digits, and TWICE_NUM_MAX_PREC.

Referenced by numeric_coerce_big_num_to_dec_str(), numeric_coerce_num_to_dec_str(), and numeric_init_pow_of_2_helper().

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static void numeric_init_pow_of_10_helper ( void )

static

Definition at line 437 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE, i, numeric_scale_dec(), numeric_zero(), powers_of_10, and TWICE_NUM_MAX_PREC.

Referenced by numeric_get_pow_of_10().

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static void numeric_init_pow_of_2_helper ( void )

static

Definition at line 377 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE, dec_string::digits, i, numeric_add_dec_str(), numeric_init_dec_str(), and TWICE_NUM_MAX_PREC.

Referenced by numeric_get_pow_of_2().

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int numeric_internal_double_to_num	(	double	adouble,
		int	dst_scale,
		DB_C_NUMERIC	num,
		int *	prec,
		int *	scale
	)

Definition at line 2786 of file numeric_opfunc.c.

References numeric_internal_real_to_num().

Referenced by db_mod_bigint(), db_mod_int(), db_mod_numeric(), db_mod_short(), numeric_db_value_coerce_to_num(), and numeric_internal_real_to_num().

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int numeric_internal_float_to_num	(	float	afloat,
		int	dst_scale,
		DB_C_NUMERIC	num,
		int *	prec,
		int *	scale
	)

Definition at line 2804 of file numeric_opfunc.c.

References numeric_internal_real_to_num().

Referenced by numeric_db_value_coerce_to_num().

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int numeric_internal_real_to_num	(	double	adouble,
		int	dst_scale,
		DB_C_NUMERIC	num,
		int *	prec,
		int *	scale,
		bool	is_float
	)

static

Definition at line 2866 of file numeric_opfunc.c.

References _dtoa, DB_MAX_NUMERIC_PRECISION, DB_NUMERIC_OVERFLOW_LIMIT, DB_NUMERIC_UNDERFLOW_LIMIT, ER_IT_DATA_OVERFLOW, FP_VALUE_TYPE_INFINITE, FP_VALUE_TYPE_NAN, FP_VALUE_TYPE_ZERO, get_fp_value_type(), i, NO_ERROR, NUMERIC_ABS, numeric_coerce_dec_str_to_num(), numeric_internal_double_to_num(), strlen, TP_DOUBLE_AS_CHAR_LENGTH, TP_DOUBLE_MANTISA_DECIMAL_PRECISION, and TP_FLOAT_MANTISA_DECIMAL_PRECISION.

Referenced by numeric_internal_double_to_num(), and numeric_internal_float_to_num().

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static bool numeric_is_bigint ( DB_C_NUMERIC arg )

static

Definition at line 742 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE.

Referenced by numeric_coerce_num_to_bigint(), and numeric_div().

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static bool numeric_is_bit_set	(	DB_C_NUMERIC	arg,
		int	pos
	)

static

Definition at line 778 of file numeric_opfunc.c.

Referenced by numeric_coerce_big_num_to_dec_str(), and numeric_coerce_num_to_dec_str().

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static bool numeric_is_fraction_part_zero	(	const DB_C_NUMERIC	num,
		const int	scale
	)

static

Definition at line 2760 of file numeric_opfunc.c.

References DB_MAX_NUMERIC_PRECISION, i, numeric_coerce_num_to_dec_str(), and strlen.

Referenced by numeric_db_value_coerce_from_num_strict().

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static bool numeric_is_long ( DB_C_NUMERIC arg )

static

Definition at line 707 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE.

Referenced by numeric_div().

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static bool numeric_is_longnum_value ( DB_C_NUMERIC arg )

static

Definition at line 1100 of file numeric_opfunc.c.

References DB_LONG_NUMERIC_MULTIPLIER, DB_NUMERIC_BUF_SIZE, i, and numeric_is_negative().

Referenced by numeric_db_value_div(), and numeric_longnum_to_shortnum().

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static bool numeric_is_negative ( DB_C_NUMERIC arg )

static

Definition at line 164 of file numeric_opfunc.c.

Referenced by numeric_coerce_num_to_bigint(), numeric_coerce_num_to_dec_str(), numeric_coerce_num_to_int(), numeric_coerce_num_to_num(), numeric_compare(), numeric_db_value_abs(), numeric_db_value_div(), numeric_db_value_is_positive(), numeric_get_fractional_part(), numeric_get_integral_part(), numeric_is_longnum_value(), numeric_long_div(), numeric_mul(), numeric_overflow(), numeric_scale_by_ten(), and numeric_shortnum_to_longnum().

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static bool numeric_is_zero ( DB_C_NUMERIC arg )

static

Definition at line 683 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE.

Referenced by numeric_coerce_num_to_bigint(), numeric_db_value_is_zero(), numeric_div(), numeric_get_msb_for_dec(), and numeric_mul().

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static void numeric_long_div	(	DB_C_NUMERIC	a1,
		DB_C_NUMERIC	a2,
		DB_C_NUMERIC	answer,
		DB_C_NUMERIC	remainder,
		bool	is_long_num
	)

static

Definition at line 951 of file numeric_opfunc.c.

References DB_LONG_NUMERIC_MULTIPLIER, DB_NUMERIC_BUF_SIZE, numeric_add(), numeric_coerce_int_to_num(), numeric_compare_pos(), numeric_copy(), numeric_copy_long(), numeric_double_shift_bit(), numeric_is_negative(), numeric_negate(), and numeric_negate_long().

Referenced by numeric_db_value_div(), and numeric_div().

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static int numeric_longnum_to_shortnum	(	DB_C_NUMERIC	answer,
		DB_C_NUMERIC	long_arg
	)

static

Definition at line 1181 of file numeric_opfunc.c.

References DB_LONG_NUMERIC_MULTIPLIER, DB_NUMERIC_BUF_SIZE, ER_IT_DATA_OVERFLOW, NO_ERROR, numeric_copy(), and numeric_is_longnum_value().

Referenced by numeric_db_value_div().

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static void numeric_mul	(	DB_C_NUMERIC	a1,
		DB_C_NUMERIC	a2,
		bool *	positive_flag,
		DB_C_NUMERIC	answer
	)

static

Definition at line 869 of file numeric_opfunc.c.

References CARRYOVER, DB_NUMERIC_BUF_SIZE, GET_LOWER_BYTE, numeric_add(), numeric_copy(), numeric_is_negative(), numeric_is_zero(), numeric_negate(), numeric_shift_byte(), and numeric_zero().

Referenced by numeric_db_value_mul().

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static void numeric_negate ( DB_C_NUMERIC answer )

static

Definition at line 599 of file numeric_opfunc.c.

References numeric_negate_long().

Referenced by numeric_coerce_dec_str_to_num(), numeric_coerce_num_to_bigint(), numeric_coerce_num_to_dec_str(), numeric_coerce_num_to_num(), numeric_coerce_string_to_num(), numeric_compare(), numeric_db_value_abs(), numeric_db_value_div(), numeric_db_value_mul(), numeric_db_value_negate(), numeric_get_fractional_part(), numeric_get_integral_part(), numeric_long_div(), numeric_mul(), numeric_overflow(), and numeric_sub().

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static void numeric_negate_long	(	DB_C_NUMERIC	answer,
		bool	is_long_num
	)

static

Definition at line 614 of file numeric_opfunc.c.

References DB_LONG_NUMERIC_MULTIPLIER, DB_NUMERIC_BUF_SIZE, and numeric_increase_long().

Referenced by numeric_long_div(), numeric_negate(), and numeric_scale_by_ten().

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static void numeric_negative_one	(	DB_C_NUMERIC	answer,
		int	size
	)

static

Definition at line 298 of file numeric_opfunc.c.

Referenced by numeric_shortnum_to_longnum().

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static bool numeric_overflow	(	DB_C_NUMERIC	arg,
		int	exp
	)

static

Definition at line 792 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE, numeric_compare_pos(), numeric_copy(), numeric_get_pow_of_10(), numeric_is_negative(), and numeric_negate().

Referenced by numeric_db_value_add(), numeric_db_value_div(), and numeric_db_value_sub().

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static int numeric_prec_scale_when_overflow	(	const DB_VALUE *	dbv1,
		const DB_VALUE *	dbv2,
		DB_VALUE *	dbv1_common,
		DB_VALUE *	dbv2_common
	)

static

Definition at line 1422 of file numeric_opfunc.c.

References db_locate_numeric, db_make_numeric(), DB_MAX_NUMERIC_PRECISION, DB_NUMERIC_BUF_SIZE, DB_VALUE_PRECISION, DB_VALUE_SCALE, NO_ERROR, numeric_coerce_num_to_num(), and numeric_copy().

Referenced by numeric_db_value_add(), and numeric_db_value_sub().

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static int numeric_scale_by_ten	(	DB_C_NUMERIC	arg,
		bool	is_long_num
	)

static

Definition at line 1248 of file numeric_opfunc.c.

References CARRYOVER, DB_LONG_NUMERIC_MULTIPLIER, DB_NUMERIC_BUF_SIZE, ER_IT_DATA_OVERFLOW, GET_LOWER_BYTE, i, NO_ERROR, numeric_is_negative(), and numeric_negate_long().

Referenced by numeric_scale_dec_long().

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static int numeric_scale_dec	(	const DB_C_NUMERIC	arg,
		int	dscale,
		DB_C_NUMERIC	answer
	)

static

Definition at line 1298 of file numeric_opfunc.c.

References NO_ERROR, numeric_copy(), and numeric_scale_dec_long().

Referenced by numeric_coerce_dec_str_to_num(), numeric_common_prec_scale(), and numeric_init_pow_of_10_helper().

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static int numeric_scale_dec_long	(	DB_C_NUMERIC	answer,
		int	dscale,
		bool	is_long_num
	)

static

Definition at line 1322 of file numeric_opfunc.c.

References NO_ERROR, and numeric_scale_by_ten().

Referenced by numeric_db_value_div(), and numeric_scale_dec().

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static void numeric_shift_byte	(	DB_C_NUMERIC	arg,
		int	numbytes,
		DB_C_NUMERIC	answer,
		int	length
	)

static

Definition at line 650 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE.

Referenced by numeric_mul().

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static void numeric_shortnum_to_longnum	(	DB_C_NUMERIC	long_answer,
		DB_C_NUMERIC	arg
	)

static

Definition at line 1150 of file numeric_opfunc.c.

References DB_LONG_NUMERIC_MULTIPLIER, DB_NUMERIC_BUF_SIZE, i, numeric_copy(), numeric_is_negative(), numeric_negative_one(), and numeric_zero().

Referenced by numeric_db_value_div().

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static void numeric_sub	(	DB_C_NUMERIC	arg1,
		DB_C_NUMERIC	arg2,
		DB_C_NUMERIC	answer,
		int	size
	)

static

Definition at line 845 of file numeric_opfunc.c.

References DB_NUMERIC_BUF_SIZE, numeric_add(), numeric_copy(), and numeric_negate().

Referenced by numeric_db_value_sub().

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static void numeric_zero	(	DB_C_NUMERIC	answer,
		int	size
	)

static

Definition at line 284 of file numeric_opfunc.c.

Referenced by numeric_coerce_dec_str_to_num(), numeric_get_fractional_part(), numeric_get_integral_part(), numeric_init_pow_of_10_helper(), numeric_mul(), and numeric_shortnum_to_longnum().

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Variable Documentation

const char fast_mod[20]

static

Initial value:

= { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
  0, 1, 2, 3, 4, 5, 6, 7, 8, 9
}

Definition at line 72 of file numeric_opfunc.c.

Referenced by numeric_add_dec_str().

bool initialized_10 = false

static

Definition at line 82 of file numeric_opfunc.c.

Referenced by numeric_get_pow_of_10().

bool initialized_2 = false

static

Definition at line 78 of file numeric_opfunc.c.

Referenced by numeric_get_pow_of_2().

double numeric_Pow_of_10[10]

static

Initial value:

= {
  1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9
}

Definition at line 85 of file numeric_opfunc.c.

Referenced by numeric_fast_convert().

unsigned char powers_of_10[TWICE_NUM_MAX_PREC+1][DB_NUMERIC_BUF_SIZE]

static

Definition at line 80 of file numeric_opfunc.c.

Referenced by numeric_coerce_num_to_bigint(), numeric_get_pow_of_10(), and numeric_init_pow_of_10_helper().

DEC_STRING powers_of_2[DB_NUMERIC_BUF_SIZE *16]

static

Definition at line 76 of file numeric_opfunc.c.

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