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Numerical stability fix

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This commit is contained in:
Dongryeol Lee
2008-03-05 01:39:30 +00:00
parent f703694b81
commit 2aace707ca
1 changed files with 6 additions and 4 deletions
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fastlib2/contrib/dongryel/regression/multi_conjugate_gradient.h
+6 -4
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@@ -415,14 +415,16 @@ private:
}
// x = x + alpha * p
la::AddExpert(row_length_, alpha, p_vecs.GetColumnPtr(q),
solutions.GetColumnPtr(q));
{
if(query_in_cg_loop[q]) {
la::AddExpert(row_length_, alpha, p_vecs.GetColumnPtr(q),
solutions.GetColumnPtr(q));
}
if(expansion_query_in_cg_loop[q]) {
la::AddExpert(row_length_, expansion_alpha,
expansion_p_vecs.GetColumnPtr(q),
query_expansion_solutions.GetColumnPtr(q));
}
if(loo_solutions != NULL) {
if(loo_solutions != NULL && (*loo_query_in_cg_loop)[q]) {
la::AddExpert(row_length_, loo_alpha, loo_p_vecs->GetColumnPtr(q),
loo_solutions->GetColumnPtr(q));
}