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Fix Trac #11765 ("sgtree.hpp:830: bad if test?")

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Ion Gaztañaga committed 2015-10-31 00:53:10 +01:00
1 parent 3c818c66a4
commit 259e4a939f
2 files changed
+9 -9
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include/boost/intrusive/sgtree.hpp
+8 -9
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@@ -826,18 +826,17 @@ class sgtree_impl
//! <b>Complexity</b>: Linear to the elements in the subtree.
void balance_factor(float new_alpha)
{
BOOST_INTRUSIVE_INVARIANT_ASSERT((new_alpha > 0.5f && new_alpha < 1.0f));
if(new_alpha < 0.5f && new_alpha >= 1.0f) return;
//The alpha factor CAN't be changed if the fixed, floating operation-less
//1/sqrt(2) alpha factor option is activated
BOOST_STATIC_ASSERT((floating_point));
float old_alpha = this->get_alpha_traits().get_alpha();
this->get_alpha_traits().set_alpha(new_alpha);
if(new_alpha < old_alpha){
this->max_tree_size_ = this->size();
this->rebalance();
BOOST_INTRUSIVE_INVARIANT_ASSERT((new_alpha > 0.5f && new_alpha < 1.0f));
if(new_alpha >= 0.5f && new_alpha < 1.0f){
float old_alpha = this->get_alpha_traits().get_alpha();
this->get_alpha_traits().set_alpha(new_alpha);
if(new_alpha < old_alpha){
this->max_tree_size_ = this->size();
this->rebalance();
}
}
}