Fix the AVG() and TOTAL() functions (after the SUM() fix of [77d3dcd283595c52])

so that they work with infinitites.  Fixes a bug introduced by check-in.
[c63e26e705f5e967].  Bug reported by
[forum:/forumpost/8960fb40cc|forum post 8960fb40cc].

FossilOrigin-Name: 6df6f17ccb404c648076ccff4200d0eb5437f0e3e82424bf3da5ea682b107bb4

1 files changed, 4 insertions, 2 deletions

diff --git a/src/func.c b/src/func.c
index 333252348..8739035b5 100644
--- a/src/func.c
+++ b/src/func.c
@@ -1907,7 +1907,8 @@ static void avgFinalize(sqlite3_context *context){
   if( p && p->cnt>0 ){
     double r;
     if( p->approx ){
-      r = p->rSum+p->rErr;
+      r = p->rSum;
+      if( !sqlite3IsNaN(p->rErr) ) r += p->rErr;
     }else{
       r = (double)(p->iSum);
     }
@@ -1920,7 +1921,8 @@ static void totalFinalize(sqlite3_context *context){
   p = sqlite3_aggregate_context(context, 0);
   if( p ){
     if( p->approx ){
-      r = p->rSum+p->rErr;
+      r = p->rSum;
+      if( !sqlite3IsNaN(p->rErr) ) r += p->rErr;
     }else{
       r = (double)(p->iSum);
     }