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Overview
| Comment: | Fix a bug in the geopoly_ccw() function. Test cases in TH3. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
773c5c1d9c0ec40c51949c38c9dc17e7 |
| User & Date: | drh 2018-11-24 20:44:46 |
Context
|
2018-11-26
| ||
| 15:00 | Minor comment enhancement in alter.c. No changes to code. check-in: 12920bcb user: drh tags: trunk | |
| 07:21 | Merge latest trunk changes into this branch. check-in: 28a615a2 user: dan tags: begin-concurrent | |
|
2018-11-24
| ||
| 20:44 | Fix a bug in the geopoly_ccw() function. Test cases in TH3. check-in: 773c5c1d user: drh tags: trunk | |
| 17:46 | Make the winTruncate() method of the windows VFS be a no-op if there are outstanding references to the memory-mapped pages. Otherwise, memory might be deleted out from under those references when the file is remapped during the truncate operation. check-in: ffce4aac user: drh tags: trunk | |
Changes
Changes to ext/rtree/geopoly.c.
523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 |
int argc,
sqlite3_value **argv
){
GeoPoly *p = geopolyFuncParam(context, argv[0], 0);
if( p ){
if( geopolyArea(p)<0.0 ){
int ii, jj;
for(ii=2, jj=p->nVertex*2 - 4; ii<jj; ii+=2, jj-=2){
GeoCoord t = p->a[ii];
p->a[ii] = p->a[jj];
p->a[jj] = t;
t = p->a[ii+1];
p->a[ii+1] = p->a[jj+1];
p->a[jj+1] = t;
}
|
| |
523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 |
int argc,
sqlite3_value **argv
){
GeoPoly *p = geopolyFuncParam(context, argv[0], 0);
if( p ){
if( geopolyArea(p)<0.0 ){
int ii, jj;
for(ii=2, jj=p->nVertex*2 - 2; ii<jj; ii+=2, jj-=2){
GeoCoord t = p->a[ii];
p->a[ii] = p->a[jj];
p->a[jj] = t;
t = p->a[ii+1];
p->a[ii+1] = p->a[jj+1];
p->a[jj+1] = t;
}
|