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author | unknown <hf@deer.(none)> | 2005-06-15 19:56:01 +0500 |
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committer | unknown <hf@deer.(none)> | 2005-06-15 19:56:01 +0500 |
commit | 2ec50db87c1c46f575c82560d7935879e769da0e (patch) | |
tree | fdcb1312b7b03c16a125395b8f3ad91e2b89b000 /strings/decimal.c | |
parent | 04ec8eca81e420e7a0939b436757606f2fbc76c4 (diff) | |
parent | df60c7ef2dfffc0cc4b86da8b57449c11f7bbcbe (diff) | |
download | mariadb-git-2ec50db87c1c46f575c82560d7935879e769da0e.tar.gz |
Merge bk@192.168.21.1:/usr/home/bk/mysql-5.0
into deer.(none):/home/hf/work/mysql-5.0.10632
strings/decimal.c:
Auto merged
Diffstat (limited to 'strings/decimal.c')
-rw-r--r-- | strings/decimal.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/strings/decimal.c b/strings/decimal.c index de64933466d..18f920badd3 100644 --- a/strings/decimal.c +++ b/strings/decimal.c @@ -1490,11 +1490,31 @@ decimal_round(decimal_t *from, decimal_t *to, int scale, buf1+=intg0+frac0-1; if (scale == frac0*DIG_PER_DEC1) { + int do_inc= FALSE; DBUG_ASSERT(frac0+intg0 >= 0); - x=buf0[1]/DIG_MASK; - if (x > round_digit || - (round_digit == 5 && x == 5 && (mode == HALF_UP || - (frac0+intg0 > 0 && *buf0 & 1)))) + switch (round_digit) + { + case 0: + { + dec1 *p0= buf0 + (frac1-frac0); + for (; p0 > buf0; p0--) + if (*p0) + { + do_inc= TRUE; + break; + }; + break; + } + case 5: + { + x= buf0[1]/DIG_MASK; + do_inc= (x>5) || ((x == 5) && + (mode == HALF_UP || (frac0+intg0 > 0 && *buf0 & 1))); + break; + }; + default:; + }; + if (do_inc) { if (frac0+intg0>0) (*buf1)++; @@ -1509,6 +1529,7 @@ decimal_round(decimal_t *from, decimal_t *to, int scale, } else { + /* TODO - fix this code as it won't work for CEILING mode */ int pos=frac0*DIG_PER_DEC1-scale-1; DBUG_ASSERT(frac0+intg0 > 0); x=*buf1 / powers10[pos]; |