Commit 1029c489 by Francois Gygi

Keep previous value of alpha in next line search

git-svn-id: cba15fb0-1239-40c8-b417-11db7ca47a34
parent 70f8bdf7
......@@ -156,6 +156,12 @@ void CGOptimizer::compute_xp(const valarray<double>& x, const double f,
fp0_ = fp;
// set the starting alpha of the minimizer to be the current alpha_
if ( alpha_ < linmin_.alpha_max() )
// reset the line minimizer
alpha_ = linmin_.next_alpha(alpha_,f,fp);
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