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Fix another problem from [c63e26e705f5e967] involving infinities and the

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Kahan-Babushka-Neumaier summation algorithm.  Problem reported by
[forum:/forumpost/23b8688ef4|forum post 23b8688ef4].

FossilOrigin-Name: 45d272ef38d5ee6189f81369aefb8e3ac35868a67687012d93c84f2bbc42520a
This commit is contained in:
drh
2024-03-19 10:16:17 +00:00
parent 28cd72ac52
commit 5ed044e893
6 changed files with 53 additions and 16 deletions
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6
src/func.c
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@@ -1892,7 +1892,7 @@ static void sumFinalize(sqlite3_context *context){
if( p->approx ){
if( p->ovrfl ){
sqlite3_result_error(context,"integer overflow",-1);
}else if( !sqlite3IsNaN(p->rErr) ){
}else if( !sqlite3IsOverflow(p->rErr) ){
sqlite3_result_double(context, p->rSum+p->rErr);
}else{
sqlite3_result_double(context, p->rSum);
@@ -1909,7 +1909,7 @@ static void avgFinalize(sqlite3_context *context){
double r;
if( p->approx ){
r = p->rSum;
if( !sqlite3IsNaN(p->rErr) ) r += p->rErr;
if( !sqlite3IsOverflow(p->rErr) ) r += p->rErr;
}else{
r = (double)(p->iSum);
}
@@ -1923,7 +1923,7 @@ static void totalFinalize(sqlite3_context *context){
if( p ){
if( p->approx ){
r = p->rSum;
if( !sqlite3IsNaN(p->rErr) ) r += p->rErr;
if( !sqlite3IsOverflow(p->rErr) ) r += p->rErr;
}else{
r = (double)(p->iSum);
}