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Doxygenize comments.

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2007-10-16 16:11:50 -04:00
parent 4a0ec7864e
commit 94e4171213
16 changed files with 313 additions and 281 deletions
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27
sql/my_decimal.h
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@ -13,7 +13,9 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*
/**
@file
It is interface module to fixed precision decimals library.
Most functions use 'uint mask' as parameter, if during operation error
@ -34,14 +36,14 @@ C_MODE_END
#define DECIMAL_LONG_DIGITS 10
#define DECIMAL_LONG3_DIGITS 8
/* maximum length of buffer in our big digits (uint32) */
/** maximum length of buffer in our big digits (uint32). */
#define DECIMAL_BUFF_LENGTH 9
/* the number of digits that my_decimal can possibly contain */
#define DECIMAL_MAX_POSSIBLE_PRECISION (DECIMAL_BUFF_LENGTH * 9)
/*
/**
maximum guaranteed precision of number in decimal digits (number of our
digits * number of decimal digits in one our big digit - number of decimal
digits in one our big digit decreased by 1 (because we always put decimal
@ -51,13 +53,14 @@ C_MODE_END
#define DECIMAL_MAX_SCALE 30
#define DECIMAL_NOT_SPECIFIED 31
/*
/**
maximum length of string representation (number of maximum decimal
digits + 1 position for sign + 1 position for decimal point)
*/
#define DECIMAL_MAX_STR_LENGTH (DECIMAL_MAX_POSSIBLE_PRECISION + 2)
/*
maximum size of packet length
/**
maximum size of packet length.
*/
#define DECIMAL_MAX_FIELD_SIZE DECIMAL_MAX_PRECISION
@ -78,11 +81,12 @@ inline int my_decimal_int_part(uint precision, uint decimals)
}
/*
my_decimal class limits 'decimal_t' type to what we need in MySQL
/**
my_decimal class limits 'decimal_t' type to what we need in MySQL.
It contains internally all necessary space needed by the instance so
no extra memory is needed. One should call fix_buffer_pointer() function
when he moves my_decimal objects in memory
when he moves my_decimal objects in memory.
*/
class my_decimal :public decimal_t
@ -384,7 +388,10 @@ int my_decimal_mod(uint mask, my_decimal *res, const my_decimal *a,
}
/* Returns -1 if a<b, 1 if a>b and 0 if a==b */
/**
@return
-1 if a<b, 1 if a>b and 0 if a==b
*/
inline
int my_decimal_cmp(const my_decimal *a, const my_decimal *b)
{