Changeset: 62f8cff3c646 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=62f8cff3c646
Modified Files:
monetdb5/extras/crackers/crackers_holistic.c
Branch: holindex
Log Message:
Throw exception if the returned (from findMax) bat_id is 0.
If the maximum weight in the list is the weight of the head
(bat_id=0,weight=0),then all bats have a negative weight. This means that we
have the optimal index for every bat.
diffs (21 lines):
diff --git a/monetdb5/extras/crackers/crackers_holistic.c
b/monetdb5/extras/crackers/crackers_holistic.c
--- a/monetdb5/extras/crackers/crackers_holistic.c
+++ b/monetdb5/extras/crackers/crackers_holistic.c
@@ -103,7 +103,7 @@ findMax(FrequencyNode* head)
bat=temp->bid;
while(temp!=NULL)
{
- if(temp->weight > tmpW)
+ if(temp->weight >= tmpW)
{
tmpW=temp->weight;
bat=temp->bid;
@@ -170,6 +170,8 @@ CRKrandomCrack(int *ret)
FrequencyNode *fs = getFrequencyStruct('A');
bid=findMax(fs);
+ if(bid==0)
+ throw(MAL, "crackers_holistic.randomCrack", "All bats reached
the optimal index");
b=BATdescriptor(bid);
t=(int*)Tloc(b,BUNfirst(b));
posl=BUNfirst(b);
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