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| author | astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675> | 2012-04-09 09:22:31 +0000 |
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| committer | astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675> | 2012-04-09 09:22:31 +0000 |
| commit | 6b7d17d91e437125ea68e9ac870f51968885ab28 (patch) | |
| tree | d8d8a7db4b0108091ecb2a7e8cf99690078cab2f /methods/conjugate_gradient | |
| parent | 190f2b4e15cdeb8d5593f8a15e02d459a3c7483d (diff) | |
| download | opt-utilities-6b7d17d91e437125ea68e9ac870f51968885ab28.tar.bz2 | |
git-svn-id: file:///home/svn/opt_utilities@234 ed2142bd-67ad-457f-ba7c-d818d4011675
Diffstat (limited to 'methods/conjugate_gradient')
| -rw-r--r-- | methods/conjugate_gradient/conjugate_gradient.hpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/methods/conjugate_gradient/conjugate_gradient.hpp b/methods/conjugate_gradient/conjugate_gradient.hpp index f5befd7..edec92d 100644 --- a/methods/conjugate_gradient/conjugate_gradient.hpp +++ b/methods/conjugate_gradient/conjugate_gradient.hpp @@ -150,6 +150,11 @@ namespace opt_utilities b1+=Delta_Xn[i]*(Delta_Xn[i]-Delta_Xn1[i]); b2+=Delta_Xn1[i]*Delta_Xn1[i]; } + if(b2==0) + { + end_point=xn; + return end_point; + } betan=max(rT(0),b1/b2); //// for(size_t i=0;i<get_size(start_point);++i) |