zhangyiss/liblbfgs
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Added one more experimental code.

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git-svn-id: file:///home/svnrepos/software/liblbfgs/trunk@34 ecf4c44f-38d1-4fa4-9757-a0b4dd0349fc
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naoaki 2009-02-16 06:58:11 +00:00
parent 9df185fd7b
commit 711675ae91
1 changed files with 8 additions and 0 deletions
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8
lib/lbfgs.c
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@ -603,6 +603,14 @@ int lbfgs(
j = (j + 1) % m; /* if (++j == m) j = 0; */
}
if (param.orthantwise_c != 0.) {
vecdot(&gnorm, d, pg, n);
if (gnorm > 0) {
vecncpy(gp, pg, n);
owlqn_project(d, gp, 0, n);
}
}
/*
Now the search direction d is ready. We try step = 1 first.
*/