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Overview
| Comment: | Fix sqlite4_num_to_text when formatting an integer with a negative exponent. It was leaving an uninitialized byte in the destination string. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | num_work |
| Files: | files | file ages | folders |
| SHA1: |
3cac6cdb864a4ecbdea82bc5441bc809 |
| User & Date: | peterreid 2013-02-14 01:51:45 |
Context
|
2013-02-14
| ||
| 15:32 | Fold in Peter Reid's fixes and enhancements to the sqlite4_num object. check-in: 8ede88c1df user: drh tags: trunk | |
| 01:51 | Fix sqlite4_num_to_text when formatting an integer with a negative exponent. It was leaving an uninitialized byte in the destination string. Leaf check-in: 3cac6cdb86 user: peterreid tags: num_work | |
|
2013-02-11
| ||
| 14:03 | Add test fixture functions for sqlite4_num_isinf and sqlite4_num_isnan, and some related test cases. check-in: 58a9cfcb39 user: peterreid tags: num_work | |
Changes
Changes to src/math.c.
497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 |
zNum += m;
n -= m;
removeTrailingZeros(zNum, &n);
if( n>0 ){
zOut[0] = '.';
memcpy(zOut+1, zNum, n);
nOut += n;
}
zOut[n+1] = 0;
return nOut;
}
if( x.e<0 && x.e >= -n-5 ){
/* Values less than 1 and with no more than 5 subsequent zeros prior
** to the first significant digit. Ex: 0.0000012345 */
int j = -(n + x.e);
memcpy(zOut, "0.", 2);
|
< | > > > |
497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 |
zNum += m;
n -= m;
removeTrailingZeros(zNum, &n);
if( n>0 ){
zOut[0] = '.';
memcpy(zOut+1, zNum, n);
nOut += n;
zOut[n+1] = 0;
}else{
zOut[0] = 0;
}
return nOut;
}
if( x.e<0 && x.e >= -n-5 ){
/* Values less than 1 and with no more than 5 subsequent zeros prior
** to the first significant digit. Ex: 0.0000012345 */
int j = -(n + x.e);
memcpy(zOut, "0.", 2);
|
Changes to test/num.test.
75 76 77 78 79 80 81 82 83 84 85 86 |
do_test num-5.1.1 {
sqlite4_num_to_text [sqlite4_num_mul 9 8]
} {72}
do_test num-6.1.1 {
sqlite4_num_to_text [sqlite4_num_div 6 5]
} {1.2}
finish_test
|
< < < < > > > > > > > > > |
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do_test num-5.1.1 {
sqlite4_num_to_text [sqlite4_num_mul 9 8]
} {72}
do_test num-6.1.1 {
sqlite4_num_to_text [sqlite4_num_div 6 5]
} {1.2}
do_test num-6.1.2 {
sqlite4_num_compare 2 [sqlite4_num_div 2 1]
} {equal}
do_test num-6.1.3 {
sqlite4_num_to_text [sqlite4_num_div 2 1]
} {2}
do_test num-6.1.4 {
sqlite4_num_to_text [sqlite4_num_div 22 10]
} {2.2}
finish_test
|