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Fixed floating point exception in long=>numeric conversion.

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This commit is contained in:
Michael Meskes 2003-10-07 18:36:46 +00:00
parent d665217278
commit cfd992ecba
2 changed files with 18 additions and 4 deletions
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4
src/interfaces/ecpg/ChangeLog
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@ -1679,6 +1679,10 @@ Mon Oct 6 08:41:45 CEST 2003
Tue Oct 7 07:45:09 CEST 2003 Tue Oct 7 07:45:09 CEST 2003
- Fixed error handling in rstrdate. - Fixed error handling in rstrdate.
Tue Oct 7 20:26:06 CEST 2003
- Fixed floating point exception in long=>numeric transformation.
- Set ecpg version to 3.0.0 - Set ecpg version to 3.0.0
- Set ecpg library to 4.0.0 - Set ecpg library to 4.0.0
- Set pgtypes library to 1.0.0 - Set pgtypes library to 1.0.0

18
src/interfaces/ecpg/pgtypeslib/numeric.c
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@ -1338,6 +1338,7 @@ PGTYPESnumeric_from_long(signed long int long_val, numeric *var)
signed long int extract; signed long int extract;
signed long int reach_limit; signed long int reach_limit;
printf("l=%ld\n", long_val);
if (abs_long_val < 0) if (abs_long_val < 0)
{ {
abs_long_val *= -1; abs_long_val *= -1;
@ -1351,10 +1352,19 @@ PGTYPESnumeric_from_long(signed long int long_val, numeric *var)
{ {
size++; size++;
reach_limit *= 10; reach_limit *= 10;
} while ((reach_limit - 1) < abs_long_val); } while ((reach_limit - 1) < abs_long_val && reach_limit <= LONG_MAX/10);
/* always add a .0 */ if (reach_limit <= LONG_MAX/10)
size++; {
/* add the first digit and a .0 */
size += 2;
}
else
{
/* always add a .0 */
size++;
reach_limit /= 10;
}
if (alloc_var(var, size) < 0) if (alloc_var(var, size) < 0)
return -1; return -1;
@ -1366,11 +1376,11 @@ PGTYPESnumeric_from_long(signed long int long_val, numeric *var)
i = 0; i = 0;
do do
{ {
reach_limit /= 10;
extract = abs_long_val - (abs_long_val % reach_limit); extract = abs_long_val - (abs_long_val % reach_limit);
var->digits[i] = extract / reach_limit; var->digits[i] = extract / reach_limit;
abs_long_val -= extract; abs_long_val -= extract;
i++; i++;
reach_limit /= 10;
/* /*
* we can abandon if abs_long_val reaches 0, because the memory is * we can abandon if abs_long_val reaches 0, because the memory is