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-rw-r--r--include/decimal.h57
-rw-r--r--sql/log_event.cc6
-rw-r--r--sql/my_decimal.cc4
-rw-r--r--sql/my_decimal.h46
-rw-r--r--strings/decimal.c94
5 files changed, 107 insertions, 100 deletions
diff --git a/include/decimal.h b/include/decimal.h
index 3f4a2122c57..7b49841ca88 100644
--- a/include/decimal.h
+++ b/include/decimal.h
@@ -20,47 +20,50 @@
typedef enum
{TRUNCATE=0, HALF_EVEN, HALF_UP, CEILING, FLOOR}
decimal_round_mode;
-typedef int32 decimal_digit;
+typedef int32 decimal_digit_t;
-typedef struct st_decimal {
+typedef struct st_decimal_t {
int intg, frac, len;
my_bool sign;
- decimal_digit *buf;
-} decimal;
+ decimal_digit_t *buf;
+} decimal_t;
-int internal_str2dec(const char *from, decimal *to, char **end, my_bool fixed);
-int decimal2string(decimal *from, char *to, int *to_len,
+int internal_str2dec(const char *from, decimal_t *to, char **end,
+ my_bool fixed);
+int decimal2string(decimal_t *from, char *to, int *to_len,
int fixed_precision, int fixed_decimals,
char filler);
-int decimal2ulonglong(decimal *from, ulonglong *to);
-int ulonglong2decimal(ulonglong from, decimal *to);
-int decimal2longlong(decimal *from, longlong *to);
-int longlong2decimal(longlong from, decimal *to);
-int decimal2double(decimal *from, double *to);
-int double2decimal(double from, decimal *to);
-void decimal_optimize_fraction(decimal *from);
-int decimal2bin(decimal *from, char *to, int precision, int scale);
-int bin2decimal(char *from, decimal *to, int precision, int scale);
+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(decimal_t *from, double *to);
+int double2decimal(double from, decimal_t *to);
+void decimal_optimize_fraction(decimal_t *from);
+int decimal2bin(decimal_t *from, char *to, int precision, int scale);
+int bin2decimal(char *from, decimal_t *to, int precision, int scale);
int decimal_size(int precision, int scale);
int decimal_bin_size(int precision, int scale);
-int decimal_result_size(decimal *from1, decimal *from2, char op, int param);
-
-int decimal_add(decimal *from1, decimal *from2, decimal *to);
-int decimal_sub(decimal *from1, decimal *from2, decimal *to);
-int decimal_cmp(decimal *from1, decimal *from2);
-int decimal_mul(decimal *from1, decimal *from2, decimal *to);
-int decimal_div(decimal *from1, decimal *from2, decimal *to, int scale_incr);
-int decimal_mod(decimal *from1, decimal *from2, decimal *to);
-int decimal_round(decimal *from, decimal *to, int new_scale,
+int decimal_result_size(decimal_t *from1, decimal_t *from2, char op,
+ int param);
+
+int decimal_add(decimal_t *from1, decimal_t *from2, decimal_t *to);
+int decimal_sub(decimal_t *from1, decimal_t *from2, decimal_t *to);
+int decimal_cmp(decimal_t *from1, decimal_t *from2);
+int decimal_mul(decimal_t *from1, decimal_t *from2, decimal_t *to);
+int decimal_div(decimal_t *from1, decimal_t *from2, decimal_t *to,
+ int scale_incr);
+int decimal_mod(decimal_t *from1, decimal_t *from2, decimal_t *to);
+int decimal_round(decimal_t *from, decimal_t *to, int new_scale,
decimal_round_mode mode);
-int decimal_is_zero(decimal *from);
-void max_decimal(int precision, int frac, decimal *to);
+int decimal_is_zero(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 to zero */
+/* set a decimal_t to zero */
#define decimal_make_zero(dec) do { \
(dec)->buf[0]=0; \
diff --git a/sql/log_event.cc b/sql/log_event.cc
index ba018e859c1..3581626ca5b 100644
--- a/sql/log_event.cc
+++ b/sql/log_event.cc
@@ -3336,7 +3336,7 @@ bool User_var_log_event::write(IO_CACHE* file)
dec->fix_buffer_pointer();
buf2[0]= (char)(dec->intg + dec->frac);
buf2[1]= (char)dec->frac;
- decimal2bin((decimal*)val, buf2+2, buf2[0], buf2[1]);
+ decimal2bin((decimal_t*)val, buf2+2, buf2[0], buf2[1]);
val_len= decimal_bin_size(buf2[0], buf2[1]) + 2;
break;
}
@@ -3403,8 +3403,8 @@ void User_var_log_event::print(FILE* file, bool short_form, LAST_EVENT_INFO* las
int str_len= sizeof(str_buf) - 1;
int precision= (int)val[0];
int scale= (int)val[1];
- decimal_digit dec_buf[10];
- decimal dec;
+ decimal_digit_t dec_buf[10];
+ decimal_t dec;
dec.len= 10;
dec.buf= dec_buf;
diff --git a/sql/my_decimal.cc b/sql/my_decimal.cc
index 334c40c0f70..19b6abd7243 100644
--- a/sql/my_decimal.cc
+++ b/sql/my_decimal.cc
@@ -88,7 +88,7 @@ int my_decimal2string(uint mask, const my_decimal *d,
int result;
if (str->alloc(length))
return check_result(mask, E_DEC_OOM);
- result= decimal2string((decimal*) d, (char*) str->ptr(),
+ result= decimal2string((decimal_t*) d, (char*) str->ptr(),
&length, fixed_prec, fixed_dec,
filler);
str->length(length);
@@ -172,7 +172,7 @@ int str2my_decimal(uint mask, const char *from, uint length,
charset= &my_charset_bin;
}
from_end= end= (char*) from+length;
- err= string2decimal((char *)from, (decimal *)decimal_value, &end);
+ err= string2decimal((char *)from, (decimal_t*) decimal_value, &end);
if (end != from_end && !err)
{
/* Give warining if there is something other than end space */
diff --git a/sql/my_decimal.h b/sql/my_decimal.h
index 44530acd0cc..03801390d82 100644
--- a/sql/my_decimal.h
+++ b/sql/my_decimal.h
@@ -69,15 +69,15 @@ inline uint my_decimal_size(uint precision, uint scale)
/*
- my_decimal class limits 'decimal' 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
*/
-class my_decimal :public decimal
+class my_decimal :public decimal_t
{
- decimal_digit buffer[DECIMAL_BUFF_LENGTH];
+ decimal_digit_t buffer[DECIMAL_BUFF_LENGTH];
public:
@@ -97,8 +97,8 @@ public:
}
void fix_buffer_pointer() { buf= buffer; }
- bool sign() const { return decimal::sign; }
- void sign(bool s) { decimal::sign= s; }
+ bool sign() const { return decimal_t::sign; }
+ void sign(bool s) { decimal_t::sign= s; }
};
@@ -165,7 +165,7 @@ inline
int binary2my_decimal(uint mask, const char *bin, my_decimal *d, int prec,
int scale)
{
- return check_result(mask, bin2decimal((char *)bin, (decimal*) d, prec,
+ return check_result(mask, bin2decimal((char *)bin, (decimal_t*) d, prec,
scale));
}
@@ -173,7 +173,7 @@ int binary2my_decimal(uint mask, const char *bin, my_decimal *d, int prec,
inline
int my_decimal_set_zero(my_decimal *d)
{
- decimal_make_zero(((decimal*) d));
+ decimal_make_zero(((decimal_t*) d));
return 0;
}
@@ -181,7 +181,7 @@ int my_decimal_set_zero(my_decimal *d)
inline
bool my_decimal_is_zero(const my_decimal *decimal_value)
{
- return decimal_is_zero((decimal*) decimal_value);
+ return decimal_is_zero((decimal_t*) decimal_value);
}
@@ -189,7 +189,7 @@ inline
int my_decimal_round(uint mask, const my_decimal *from, int scale,
bool truncate, my_decimal *to)
{
- return check_result(mask, decimal_round((decimal*) from, to, scale,
+ return check_result(mask, decimal_round((decimal_t*) from, to, scale,
(truncate ? TRUNCATE : HALF_UP)));
}
@@ -197,14 +197,14 @@ int my_decimal_round(uint mask, const my_decimal *from, int scale,
inline
int my_decimal_floor(uint mask, const my_decimal *from, my_decimal *to)
{
- return check_result(mask, decimal_round((decimal*) from, to, 0, FLOOR));
+ return check_result(mask, decimal_round((decimal_t*) from, to, 0, FLOOR));
}
inline
int my_decimal_ceiling(uint mask, const my_decimal *from, my_decimal *to)
{
- return check_result(mask, decimal_round((decimal*) from, to, 0, CEILING));
+ return check_result(mask, decimal_round((decimal_t*) from, to, 0, CEILING));
}
@@ -219,7 +219,7 @@ int my_decimal2int(uint mask, const my_decimal *d, my_bool unsigned_flag,
{
my_decimal rounded;
/* decimal_round can return only E_DEC_TRUNCATED */
- decimal_round((decimal*)d, &rounded, 0, HALF_UP);
+ decimal_round((decimal_t*)d, &rounded, 0, HALF_UP);
return check_result(mask, (unsigned_flag ?
decimal2ulonglong(&rounded, (ulonglong *)l) :
decimal2longlong(&rounded, l)));
@@ -230,14 +230,14 @@ inline
int my_decimal2double(uint mask, const my_decimal *d, double *result)
{
/* No need to call check_result as this will always succeed */
- return decimal2double((decimal*) d, result);
+ return decimal2double((decimal_t*) d, result);
}
inline
int str2my_decimal(uint mask, const char *str, my_decimal *d, char **end)
{
- return check_result(mask, string2decimal(str, (decimal*) d, end));
+ return check_result(mask, string2decimal(str, (decimal_t*) d, end));
}
@@ -255,7 +255,7 @@ int string2my_decimal(uint mask, const String *str, my_decimal *d)
inline
int double2my_decimal(uint mask, double val, my_decimal *d)
{
- return check_result(mask, double2decimal(val, (decimal*) d));
+ return check_result(mask, double2decimal(val, (decimal_t*) d));
}
@@ -269,7 +269,7 @@ int int2my_decimal(uint mask, longlong i, my_bool unsigned_flag, my_decimal *d)
inline
-void my_decimal_neg(st_decimal *arg)
+void my_decimal_neg(decimal_t *arg)
{
decimal_neg(arg);
}
@@ -279,7 +279,7 @@ inline
int my_decimal_add(uint mask, my_decimal *res, const my_decimal *a,
const my_decimal *b)
{
- return check_result(mask, decimal_add((decimal*) a, (decimal*) b, res));
+ return check_result(mask, decimal_add((decimal_t*) a, (decimal_t*) b, res));
}
@@ -287,7 +287,7 @@ inline
int my_decimal_sub(uint mask, my_decimal *res, const my_decimal *a,
const my_decimal *b)
{
- return check_result(mask, decimal_sub((decimal*) a, (decimal*) b, res));
+ return check_result(mask, decimal_sub((decimal_t*) a, (decimal_t*) b, res));
}
@@ -295,7 +295,7 @@ inline
int my_decimal_mul(uint mask, my_decimal *res, const my_decimal *a,
const my_decimal *b)
{
- return check_result(mask, decimal_mul((decimal*) a, (decimal*) b, res));
+ return check_result(mask, decimal_mul((decimal_t*) a, (decimal_t*) b, res));
}
@@ -303,7 +303,7 @@ inline
int my_decimal_div(uint mask, my_decimal *res, const my_decimal *a,
const my_decimal *b, int div_scale_inc)
{
- return check_result(mask, decimal_div((decimal*) a, (decimal*) b, res,
+ return check_result(mask, decimal_div((decimal_t*) a, (decimal_t*) b, res,
div_scale_inc));
}
@@ -312,7 +312,7 @@ inline
int my_decimal_mod(uint mask, my_decimal *res, const my_decimal *a,
const my_decimal *b)
{
- return check_result(mask, decimal_mod((decimal*) a, (decimal*) b, res));
+ return check_result(mask, decimal_mod((decimal_t*) a, (decimal_t*) b, res));
}
@@ -320,14 +320,14 @@ int my_decimal_mod(uint mask, my_decimal *res, const my_decimal *a,
inline
int my_decimal_cmp(const my_decimal *a, const my_decimal *b)
{
- return decimal_cmp((decimal*) a, (decimal*) b);
+ return decimal_cmp((decimal_t*) a, (decimal_t*) b);
}
inline
void max_my_decimal(my_decimal *to, int precision, int frac)
{
DBUG_ASSERT(precision <= DECIMAL_MAX_LENGTH);
- max_decimal(precision, frac, (decimal*) to);
+ max_decimal(precision, frac, (decimal_t*) to);
}
#endif /*my_decimal_h*/
diff --git a/strings/decimal.c b/strings/decimal.c
index f288a93eb5e..d7bea3e291d 100644
--- a/strings/decimal.c
+++ b/strings/decimal.c
@@ -109,20 +109,20 @@
/*
Internally decimal numbers are stored base 10^9 (see DIG_BASE below)
- So one "decimal_digit" is
+ So one variable of type decimal_digit_t is limited:
0 < decimal_digit <= DIG_MAX < DIG_BASE
- in the struct st_decimal:
+ in the struct st_decimal_t:
- intg is the number of *decimal* digits (NOT number of decimal_digit's !)
+ intg is the number of *decimal* digits (NOT number of decimal_digit_t's !)
before the point
frac - number of decimal digits after the point
- buf is an array of decimal_digit's
- len is the length of buf (length of allocated space) in decimal_digit's,
+ buf is an array of decimal_digit_t's
+ len is the length of buf (length of allocated space) in decimal_digit_t's,
not in bytes
*/
-typedef decimal_digit dec1;
+typedef decimal_digit_t dec1;
typedef longlong dec2;
#define DIG_PER_DEC1 9
@@ -223,7 +223,7 @@ static const dec1 frac_max[DIG_PER_DEC1-1]={
to->buf and to->len must be set.
*/
-void max_decimal(int precision, int frac, decimal *to)
+void max_decimal(int precision, int frac, decimal_t *to)
{
int intpart;
dec1 *buf= to->buf;
@@ -250,7 +250,7 @@ void max_decimal(int precision, int frac, decimal *to)
}
-static dec1 *remove_leading_zeroes(decimal *from, int *intg_result)
+static dec1 *remove_leading_zeroes(decimal_t *from, int *intg_result)
{
int intg= from->intg, i;
dec1 *buf0= from->buf;
@@ -281,7 +281,7 @@ static dec1 *remove_leading_zeroes(decimal *from, int *intg_result)
from number for processing
*/
-void decimal_optimize_fraction(decimal *from)
+void decimal_optimize_fraction(decimal_t *from)
{
int frac= from->frac, i;
dec1 *buf0= from->buf + ROUND_UP(from->intg) + ROUND_UP(frac) - 1;
@@ -328,7 +328,7 @@ void decimal_optimize_fraction(decimal *from)
E_DEC_OK/E_DEC_TRUNCATED/E_DEC_OVERFLOW
*/
-int decimal2string(decimal *from, char *to, int *to_len,
+int decimal2string(decimal_t *from, char *to, int *to_len,
int fixed_precision, int fixed_decimals,
char filler)
{
@@ -453,7 +453,7 @@ int decimal2string(decimal *from, char *to, int *to_len,
be written by this address
*/
-static void digits_bounds(decimal *from, int *start_result, int *end_result)
+static void digits_bounds(decimal_t *from, int *start_result, int *end_result)
{
int start, stop, i;
dec1 *buf_beg= from->buf;
@@ -520,7 +520,7 @@ static void digits_bounds(decimal *from, int *start_result, int *end_result)
'shift' have to be from 1 to DIG_PER_DEC1-1 (inclusive)
*/
-void do_mini_left_shift(decimal *dec, int shift, int beg, int last)
+void do_mini_left_shift(decimal_t *dec, int shift, int beg, int last)
{
dec1 *from= dec->buf + ROUND_UP(beg + 1) - 1;
dec1 *end= dec->buf + ROUND_UP(last) - 1;
@@ -550,7 +550,7 @@ void do_mini_left_shift(decimal *dec, int shift, int beg, int last)
'shift' have to be from 1 to DIG_PER_DEC1-1 (inclusive)
*/
-void do_mini_right_shift(decimal *dec, int shift, int beg, int last)
+void do_mini_right_shift(decimal_t *dec, int shift, int beg, int last)
{
dec1 *from= dec->buf + ROUND_UP(last) - 1;
dec1 *end= dec->buf + ROUND_UP(beg + 1) - 1;
@@ -583,7 +583,7 @@ void do_mini_right_shift(decimal *dec, int shift, int beg, int last)
E_DEC_TRUNCATED number was rounded to fit into buffer
*/
-int decimal_shift(decimal *dec, int shift)
+int decimal_shift(decimal_t *dec, int shift)
{
/* index of first non zero digit (all indexes from 0) */
int beg;
@@ -780,7 +780,8 @@ int decimal_shift(decimal *dec, int shift)
(to make error handling easier)
*/
-int internal_str2dec(const char *from, decimal *to, char **end, my_bool fixed)
+int
+internal_str2dec(const char *from, decimal_t *to, char **end, my_bool fixed)
{
const char *s= from, *s1, *endp, *end_of_string= *end;
int i, intg, frac, error, intg1, frac1;
@@ -937,7 +938,7 @@ fatal_error:
E_DEC_OK
*/
-int decimal2double(decimal *from, double *to)
+int decimal2double(decimal_t *from, double *to)
{
double x=0, t=DIG_BASE;
int intg, frac;
@@ -963,7 +964,7 @@ int decimal2double(decimal *from, double *to)
E_DEC_OK/E_DEC_OVERFLOW/E_DEC_TRUNCATED
*/
-int double2decimal(double from, decimal *to)
+int double2decimal(double from, decimal_t *to)
{
/* TODO: fix it, when we'll have dtoa */
char s[400], *end;
@@ -972,7 +973,7 @@ int double2decimal(double from, decimal *to)
return string2decimal(s, to, &end);
}
-static int ull2dec(ulonglong from, decimal *to)
+static int ull2dec(ulonglong from, decimal_t *to)
{
int intg1, error=E_DEC_OK;
ulonglong x=from;
@@ -998,20 +999,20 @@ static int ull2dec(ulonglong from, decimal *to)
return error;
}
-int ulonglong2decimal(ulonglong from, decimal *to)
+int ulonglong2decimal(ulonglong from, decimal_t *to)
{
to->sign=0;
return ull2dec(from, to);
}
-int longlong2decimal(longlong from, decimal *to)
+int longlong2decimal(longlong from, decimal_t *to)
{
if ((to->sign= from < 0))
return ull2dec(-from, to);
return ull2dec(from, to);
}
-int decimal2ulonglong(decimal *from, ulonglong *to)
+int decimal2ulonglong(decimal_t *from, ulonglong *to)
{
dec1 *buf=from->buf;
ulonglong x=0;
@@ -1040,7 +1041,7 @@ int decimal2ulonglong(decimal *from, ulonglong *to)
return E_DEC_OK;
}
-int decimal2longlong(decimal *from, longlong *to)
+int decimal2longlong(decimal_t *from, longlong *to)
{
dec1 *buf=from->buf;
longlong x=0;
@@ -1112,7 +1113,7 @@ int decimal2longlong(decimal *from, longlong *to)
3. The first intg % DIG_PER_DEC1 digits are stored in the reduced
number of bytes (enough bytes to store this number of digits -
see dig2bytes)
- 4. same for frac - full decimal_digit's are stored as is,
+ 4. same for frac - full decimal_digit_t's are stored as is,
the last frac % DIG_PER_DEC1 digits - in the reduced number of bytes.
5. If the number is negative - every byte is inversed.
5. The very first bit of the resulting byte array is inverted (because
@@ -1122,7 +1123,7 @@ int decimal2longlong(decimal *from, longlong *to)
1234567890.1234
- internally is represented as 3 decimal_digit's
+ internally is represented as 3 decimal_digit_t's
1 234567890 123400000
@@ -1131,13 +1132,13 @@ int decimal2longlong(decimal *from, longlong *to)
00-00-00-01 0D-FB-38-D2 07-5A-EF-40
- now, middle decimal_digit is full - it stores 9 decimal digits. It goes
+ now, middle decimal_digit_t is full - it stores 9 decimal digits. It goes
into binary representation as is:
........... 0D-FB-38-D2 ............
- First decimal_digit has only one decimal digit. We can store one digit in
+ First decimal_digit_t has only one decimal digit. We can store one digit in
one byte, no need to waste four:
01 0D-FB-38-D2 ............
@@ -1155,7 +1156,7 @@ int decimal2longlong(decimal *from, longlong *to)
7E F2 04 37 2D FB 2D
*/
-int decimal2bin(decimal *from, char *to, int precision, int frac)
+int decimal2bin(decimal_t *from, char *to, int precision, int frac)
{
dec1 mask=from->sign ? -1 : 0, *buf1=from->buf, *stop1;
int error=E_DEC_OK, intg=precision-frac,
@@ -1283,7 +1284,7 @@ int decimal2bin(decimal *from, char *to, int precision, int frac)
E_DEC_OK/E_DEC_TRUNCATED/E_DEC_OVERFLOW
*/
-int bin2decimal(char *from, decimal *to, int precision, int scale)
+int bin2decimal(char *from, decimal_t *to, int precision, int scale)
{
int error=E_DEC_OK, intg=precision-scale,
intg0=intg/DIG_PER_DEC1, frac0=scale/DIG_PER_DEC1,
@@ -1424,7 +1425,9 @@ int decimal_bin_size(int precision, int scale)
E_DEC_OK/E_DEC_TRUNCATED
*/
-int decimal_round(decimal *from, decimal *to, int scale, decimal_round_mode mode)
+int
+decimal_round(decimal_t *from, decimal_t *to, int scale,
+ decimal_round_mode mode)
{
int frac0=scale>0 ? ROUND_UP(scale) : scale/DIG_PER_DEC1,
frac1=ROUND_UP(from->frac), round_digit,
@@ -1585,7 +1588,7 @@ done:
multiply by sizeof(dec1)
*/
-int decimal_result_size(decimal *from1, decimal *from2, char op, int param)
+int decimal_result_size(decimal_t *from1, decimal_t *from2, char op, int param)
{
switch (op) {
case '-':
@@ -1604,7 +1607,7 @@ int decimal_result_size(decimal *from1, decimal *from2, char op, int param)
return -1; /* shut up the warning */
}
-static int do_add(decimal *from1, decimal *from2, decimal *to)
+static int do_add(decimal_t *from1, decimal_t *from2, decimal_t *to)
{
int intg1=ROUND_UP(from1->intg), intg2=ROUND_UP(from2->intg),
frac1=ROUND_UP(from1->frac), frac2=ROUND_UP(from2->frac),
@@ -1680,7 +1683,7 @@ static int do_add(decimal *from1, decimal *from2, decimal *to)
/* to=from1-from2.
if to==0, return -1/0/+1 - the result of the comparison */
-static int do_sub(decimal *from1, decimal *from2, decimal *to)
+static int do_sub(decimal_t *from1, decimal_t *from2, decimal_t *to)
{
int intg1=ROUND_UP(from1->intg), intg2=ROUND_UP(from2->intg),
frac1=ROUND_UP(from1->frac), frac2=ROUND_UP(from2->frac);
@@ -1741,7 +1744,7 @@ static int do_sub(decimal *from1, decimal *from2, decimal *to)
/* ensure that always from1 > from2 (and intg1 >= intg2) */
if (carry)
{
- swap_variables(decimal *,from1,from1);
+ swap_variables(decimal_t *,from1,from1);
swap_variables(dec1 *,start1, start2);
swap_variables(int,intg1,intg2);
swap_variables(int,frac1,frac2);
@@ -1807,28 +1810,28 @@ static int do_sub(decimal *from1, decimal *from2, decimal *to)
return error;
}
-int decimal_add(decimal *from1, decimal *from2, decimal *to)
+int decimal_add(decimal_t *from1, decimal_t *from2, decimal_t *to)
{
if (likely(from1->sign == from2->sign))
return do_add(from1, from2, to);
return do_sub(from1, from2, to);
}
-int decimal_sub(decimal *from1, decimal *from2, decimal *to)
+int decimal_sub(decimal_t *from1, decimal_t *from2, decimal_t *to)
{
if (likely(from1->sign == from2->sign))
return do_sub(from1, from2, to);
return do_add(from1, from2, to);
}
-int decimal_cmp(decimal *from1, decimal *from2)
+int decimal_cmp(decimal_t *from1, decimal_t *from2)
{
if (likely(from1->sign == from2->sign))
return do_sub(from1, from2, 0);
return from1->sign > from2->sign ? -1 : 1;
}
-int decimal_is_zero(decimal *from)
+int decimal_is_zero(decimal_t *from)
{
dec1 *buf1=from->buf,
*end=buf1+ROUND_UP(from->intg)+ROUND_UP(from->frac);
@@ -1859,7 +1862,7 @@ int decimal_is_zero(decimal *from)
XXX if this library is to be used with huge numbers of thousands of
digits, fast multiplication must be implemented.
*/
-int decimal_mul(decimal *from1, decimal *from2, decimal *to)
+int decimal_mul(decimal_t *from1, decimal_t *from2, decimal_t *to)
{
int intg1=ROUND_UP(from1->intg), intg2=ROUND_UP(from2->intg),
frac1=ROUND_UP(from1->frac), frac2=ROUND_UP(from2->frac),
@@ -1932,8 +1935,8 @@ int decimal_mul(decimal *from1, decimal *from2, decimal *to)
changed to malloc (or at least fallback to malloc if alloca() fails)
but then, decimal_mod() should be rewritten too :(
*/
-static int do_div_mod(decimal *from1, decimal *from2,
- decimal *to, decimal *mod, int scale_incr)
+static int do_div_mod(decimal_t *from1, decimal_t *from2,
+ decimal_t *to, decimal_t *mod, int scale_incr)
{
int frac1=ROUND_UP(from1->frac)*DIG_PER_DEC1, prec1=from1->intg+frac1,
frac2=ROUND_UP(from2->frac)*DIG_PER_DEC1, prec2=from2->intg+frac2,
@@ -2208,7 +2211,8 @@ done:
see do_div_mod()
*/
-int decimal_div(decimal *from1, decimal *from2, decimal *to, int scale_incr)
+int
+decimal_div(decimal_t *from1, decimal_t *from2, decimal_t *to, int scale_incr)
{
return do_div_mod(from1, from2, to, 0, scale_incr);
}
@@ -2240,7 +2244,7 @@ int decimal_div(decimal *from1, decimal *from2, decimal *to, int scale_incr)
thus, there's no requirement for M or N to be integers
*/
-int decimal_mod(decimal *from1, decimal *from2, decimal *to)
+int decimal_mod(decimal_t *from1, decimal_t *from2, decimal_t *to)
{
return do_div_mod(from1, from2, 0, to, 0);
}
@@ -2248,10 +2252,10 @@ int decimal_mod(decimal *from1, decimal *from2, decimal *to)
#ifdef MAIN
int full= 0;
-decimal a, b, c;
+decimal_t a, b, c;
char buf1[100], buf2[100], buf3[100];
-void dump_decimal(decimal *d)
+void dump_decimal(decimal_t *d)
{
int i;
printf("/* intg=%d, frac=%d, sign=%d, buf[]={", d->intg, d->frac, d->sign);
@@ -2271,7 +2275,7 @@ void check_result_code(int actual, int want)
}
-void print_decimal(decimal *d, const char *orig, int actual, int want)
+void print_decimal(decimal_t *d, const char *orig, int actual, int want)
{
char s[100];
int slen=sizeof(s);