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space-stripping in decimal2bin

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serg@serg.mylan 2004-11-04 13:27:44 +01:00
parent a1a27eb35a
commit d117bf314f
1 changed files with 29 additions and 3 deletions
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32
strings/decimal.c
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@ -579,18 +579,44 @@ int decimal2bin(decimal *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,
isize1, intg1, intg1x=from->intg,
intg0=intg/DIG_PER_DEC1,
frac0=frac/DIG_PER_DEC1,
intg0x=intg-intg0*DIG_PER_DEC1,
frac0x=frac-frac0*DIG_PER_DEC1,
intg1=from->intg/DIG_PER_DEC1,
frac1=from->frac/DIG_PER_DEC1,
intg1x=from->intg-intg1*DIG_PER_DEC1,
frac1x=from->frac-frac1*DIG_PER_DEC1,
isize0=intg0*sizeof(dec1)+dig2bytes[intg0x],
fsize0=frac0*sizeof(dec1)+dig2bytes[frac0x],
isize1=intg1*sizeof(dec1)+dig2bytes[intg1x],
fsize1=frac1*sizeof(dec1)+dig2bytes[frac1x];
/* removing leading zeroes */
intg1=((intg1x-1) % DIG_PER_DEC1)+1;
while (intg1x > 0 && *buf1 == 0)
{
intg1x-=intg1;
intg1=DIG_PER_DEC1;
buf1++;
}
if (intg1x > 0)
{
for (intg1=(intg1x-1) % DIG_PER_DEC1; *buf1 < powers10[intg1--]; intg1x--) ;
DBUG_ASSERT(intg1x > 0);
}
else
intg1x=0;
if (unlikely(intg1x+fsize1==0))
{
mask=0; /* just in case */
intg=1;
buf1=&mask;
}
intg1=intg1x/DIG_PER_DEC1;
intg1x=intg1x-intg1*DIG_PER_DEC1;
isize1=intg1*sizeof(dec1)+dig2bytes[intg1x];
if (isize0 < isize1)
{
buf1+=intg1-intg0+(intg1x>0)-(intg0x>0);