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improved jSVD accuracy

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This commit is contained in:
Vadim Pisarevsky 2011-05-24 13:25:26 +00:00
parent a360a19c56
commit 0bf00036a8
1 changed files with 1 additions and 1 deletions
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2
modules/core/src/lapack.cpp
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@ -592,7 +592,7 @@ JacobiSVDImpl_(_Tp* At, size_t astep, _Tp* W, _Tp* Vt, size_t vstep, int m, int
delta = (_Tp)(p*p*0.5/(gamma + beta)); delta = (_Tp)(p*p*0.5/(gamma + beta));
} }
if( iter % 4 ) if( iter % 2 )
{ {
W[i] = (_Tp)(W[i] + delta); W[i] = (_Tp)(W[i] + delta);
W[j] = (_Tp)(W[j] - delta); W[j] = (_Tp)(W[j] - delta);