Fixing bug in tree structured VQ code that would generate nodes with redundant input vector indices, causing rare frontend verify crashes.
diff --git a/encoder/basisu_enc.h b/encoder/basisu_enc.h
index 05c95cb..0ce0114 100644
--- a/encoder/basisu_enc.h
+++ b/encoder/basisu_enc.h
@@ -1634,6 +1634,14 @@
if ((!l_weight) || (!r_weight))
{
+ l_children.resize(0);
+ new_l_child.set(0.0f);
+ l_ttsum = 0.0f;
+ l_weight = 0;
+ r_children.resize(0);
+ new_r_child.set(0.0f);
+ r_ttsum = 0.0f;
+ r_weight = 0;
TrainingVectorType firstVec;
for (uint32_t i = 0; i < node.m_training_vecs.size(); i++)
{
@@ -1660,7 +1668,7 @@
}
}
- if (!l_weight)
+ if ((!l_weight) || (!r_weight))
return false;
}
