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Overview
Comment: | Make the cellMargin() routine of R-Tree slightly smaller and faster while also fixing a harmless compiler warning. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
07fe6228208684d579c4f6c334c90eb6 |
User & Date: | drh 2017-02-07 12:58:38.284 |
Context
2017-02-07
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13:51 | Fix SQLITE_BYTEORDER #defines in R-Tree when compiled separately from the amalgamation. (check-in: a136609c98 user: drh tags: trunk) | |
12:58 | Make the cellMargin() routine of R-Tree slightly smaller and faster while also fixing a harmless compiler warning. (check-in: 07fe622820 user: drh tags: trunk) | |
03:44 | Back out [ec8ff892ac] which is causing missed OOM errors on some tests. (check-in: 0611770d6a user: drh tags: trunk) | |
Changes
Changes to ext/rtree/rtree.c.
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1951 1952 1953 1954 1955 1956 1957 | } /* ** Return the margin length of cell p. The margin length is the sum ** of the objects size in each dimension. */ static RtreeDValue cellMargin(Rtree *pRtree, RtreeCell *p){ | | | | < > | | 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 | } /* ** Return the margin length of cell p. The margin length is the sum ** of the objects size in each dimension. */ static RtreeDValue cellMargin(Rtree *pRtree, RtreeCell *p){ RtreeDValue margin = 0; int ii = pRtree->nDim2 - 2; do{ margin += (DCOORD(p->aCoord[ii+1]) - DCOORD(p->aCoord[ii])); ii -= 2; }while( ii>=0 ); return margin; } /* ** Store the union of cells p1 and p2 in p1. */ static void cellUnion(Rtree *pRtree, RtreeCell *p1, RtreeCell *p2){ |
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