In the RTree module, make sure all double-to-float conversions round in a

direction to increase the size of element bounding boxes.

FossilOrigin-Name: 0abdc2903d8b3f86cad426e1bac2a959d1b1f7dd

diff --cc manifest
index 45aa8d12351a92813575001c3a70a095c2a6bb84,7335e9267c498ec2b131635c56922dc146706e64..97ff035bc20ea6ee7a8f3166c8759e175c5df7b3
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\sthe\sMSVC\smakefile\sso\sthat\sit\sworks\swith\sthe\sunicode61\stokenizer.
- D 2012-05-28T20:22:16.462
 -C Refactor\sthe\sfloat-to-double\srounding\sroutines\sso\sthat\sthey\scompile\swithout\nwarnings.
 -D 2012-05-29T00:30:43.635
++C In\sthe\sRTree\smodule,\smake\ssure\sall\sdouble-to-float\sconversions\sround\sin\sa\ndirection\sto\sincrease\sthe\ssize\sof\selement\sbounding\sboxes.
++D 2012-05-29T00:39:50.223
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in 4f37eb61be9d38643cdd839a74b8e3bad724cfcf
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -1004,7 -1004,7 +1004,7 @@@ F tool/tostr.awk e75472c2f98dd76e06b8c9
  F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
  F tool/warnings-clang.sh a8a0a3babda96dfb1ff51adda3cbbf3dfb7266c2
  F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
- P bcc72d413e8db5fe8b32147ac22d406e2cd6bb60
- R 3124713b2110812cfce2d07ccce3e9e9
 -P df24072de27555c6b530b02e821ea8b066c554fc
 -R f35d5b4a9dd7d1169a15c017bcaeb391
++P 480158143be1256cbe4dba52ef1a5b96e172b38c f607ad27c1ede27af24dbee10ca867c8f7761ee3
++R 38bedd0c37f624ccf215394e11ad9336
  U drh
- Z e96acf301cc5f997fc3e1f3cdf1b6355
 -Z 5259b4674eededa40e2ec42b982389dc
++Z 4bf39e44bbbf20a271c4dc152544fd6f

diff --cc manifest.uuid
index 21667c78672dbbd116ebcf856bb001e8e7ba55ee,28da48b3111db3f82bf806ec9b753e15371b52c6..942005486bd15321e0c87998371b0b5502455e26
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 480158143be1256cbe4dba52ef1a5b96e172b38c
 -f607ad27c1ede27af24dbee10ca867c8f7761ee3
++0abdc2903d8b3f86cad426e1bac2a959d1b1f7dd