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Overview
| Comment: | Coverting an approximate sqlite4_num to int64 is flagged as lossy. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
b667dab56bc22b929414a958d645a1b2 |
| User & Date: | peterreid 2013-06-07 00:49:46 |
Context
|
2013-06-07
| ||
| 00:51 | Correct comments in header of num test check-in: 8cb787fa4a user: peterreid tags: trunk | |
| 00:49 | Coverting an approximate sqlite4_num to int64 is flagged as lossy. check-in: b667dab56b user: peterreid tags: trunk | |
|
2013-06-06
| ||
| 17:18 | Change the names of some API functions to make their purposes clearer: "get_auxdata" -> "auxdata_fetch", "set_auxdata" -> "auxdata_store", "get_autocommit" -> "db_transaction_status", and "sql" -> "stmt_sql". check-in: c8d956ad1a user: dan tags: trunk | |
Changes
Changes to src/math.c.
537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 |
*/
sqlite4_int64 sqlite4_num_to_int64(sqlite4_num num, int *pbLossy){
static const i64 L10 = (LARGEST_INT64 / 10);
u64 iRet;
int i;
iRet = num.m;
if( pbLossy ) *pbLossy = 0;
for(i=0; i<num.e; i++){
if( iRet>L10 ) goto overflow;
iRet = iRet * 10;
}
for(i=num.e; i<0; i++){
if( pbLossy && (iRet % 10) ) *pbLossy = 1;
iRet = iRet / 10;
|
| |
537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 |
*/
sqlite4_int64 sqlite4_num_to_int64(sqlite4_num num, int *pbLossy){
static const i64 L10 = (LARGEST_INT64 / 10);
u64 iRet;
int i;
iRet = num.m;
if( pbLossy ) *pbLossy = num.approx;
for(i=0; i<num.e; i++){
if( iRet>L10 ) goto overflow;
iRet = iRet * 10;
}
for(i=num.e; i<0; i++){
if( pbLossy && (iRet % 10) ) *pbLossy = 1;
iRet = iRet / 10;
|
Changes to test/num.test.
174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 |
10 {sign:0 approx:0 e:50 m:244} ~9223372036854775807
11 {sign:1 approx:0 e:50 m:34220} ~-9223372036854775808
12 50.1 ~50
13 10.9 ~10
14 .995 ~0
15 -93.9 ~-93
16 -12.1 ~-12
} {
do_test num-10.1.$tn { sqlite4_num_to_int64 $in } [list {*}$out]
}
#-------------------------------------------------------------------------
finish_test
|
> |
174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 |
10 {sign:0 approx:0 e:50 m:244} ~9223372036854775807
11 {sign:1 approx:0 e:50 m:34220} ~-9223372036854775808
12 50.1 ~50
13 10.9 ~10
14 .995 ~0
15 -93.9 ~-93
16 -12.1 ~-12
17 {sign:0 approx:1 e:0 m:4053} ~4053
} {
do_test num-10.1.$tn { sqlite4_num_to_int64 $in } [list {*}$out]
}
#-------------------------------------------------------------------------
finish_test
|