Increase the precision of floating point value display in VDBE debugging

output.  No changes to normally deployed code.

FossilOrigin-Name: a561a656ff50efc0103da3988626cea3ef05757403b83960f2aa6c0a48c2765e

manifest

@@ -1,5 +1,5 @@
-C Fix\ssome\stest\sscript\sissues\sthat\scome\sup\swith\sSQLITE_OMIT_VIRTUALTABLE\sbuilds.
-D 2019-10-03T14:36:36.858
+C Increase\sthe\sprecision\sof\sfloating\spoint\svalue\sdisplay\sin\sVDBE\sdebugging\noutput.\s\sNo\schanges\sto\snormally\sdeployed\scode.
+D 2019-10-03T14:51:59.320
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -597,7 +597,7 @@ F src/upsert.c 710c91bb13e3c3fed5b6fe17cb13e09560bdd003ad8b8c51e6b16c80cfc48b10
 F src/utf.c 2f0fac345c7660d5c5bd3df9e9d8d33d4c27f366bcfb09e07443064d751a0507
 F src/util.c fffdfa627be74d69ef425f92db124e7148af449bb8a3286e79577c42bca84061
 F src/vacuum.c 82dcec9e7b1afa980288718ad11bc499651c722d7b9f32933c4d694d91cb6ebf
-F src/vdbe.c a3ff3898197b9da901b1bfb4fd7321acd2496301dc8f521eb2e7f1d814c2737a
+F src/vdbe.c 7f43ed8e055a4290535d2e4520d33f0ac6cc00ef76a0c099e4c6bd85be74a6b9
 F src/vdbe.h 3f2b571e702e77e6bf031f0236e554aedfae643e991f69000320f481408455cf
 F src/vdbeInt.h e95de5129124d77f01439e6635012adfaf23c0017bff47296126143cf18bd0c6
 F src/vdbeapi.c 95001d0f84ee3cda344fed98ca0d7961deb4fc836b83495630d0af1f7cc4789e
@@ -1846,7 +1846,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 9e0d5d2640a92070967bc9fdf5c5b1653e41b9c04e04dcb70f18ead10f053aef
-R 3a28e103f730904ab51d0e6ee6470a7b
-U dan
-Z 8acae364a317e12955d8d3a9b0658eb3
+P 3934d2d08ee14d644dc01f967c10f219b76b172c963c90a7a8141f2b08a7d5bf
+R 578efb1252061baf72e62a56d36f2f49
+U drh
+Z d7fdd14bec6b54681156d24a359a2c2d

manifest.uuid

@@ -1 +1 @@
-3934d2d08ee14d644dc01f967c10f219b76b172c963c90a7a8141f2b08a7d5bf
+a561a656ff50efc0103da3988626cea3ef05757403b83960f2aa6c0a48c2765e

src/vdbe.c

@@ -554,7 +554,7 @@ static void memTracePrint(Mem *p){
     printf(" i:%lld", p->u.i);
 #ifndef SQLITE_OMIT_FLOATING_POINT
   }else if( p->flags & MEM_Real ){
-    printf(" r:%g", p->u.r);
+    printf(" r:%.17g", p->u.r);
 #endif
   }else if( sqlite3VdbeMemIsRowSet(p) ){
     printf(" (rowset)");