improved jSVD accuracy

0bf00036 · Vadim Pisarevsky · a360a19c · 0bf00036
Commit 0bf00036 authored May 24, 2011 by Vadim Pisarevsky
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lapack.cpp modules/core/src/lapack.cpp +1 -1

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--- a/modules/core/src/lapack.cpp
+++ b/modules/core/src/lapack.cpp
@@ -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));
                }
-                if( iter % 4 )
+                if( iter % 2 )
                {
                    W[i] = (_Tp)(W[i] + delta);
                    W[j] = (_Tp)(W[j] - delta);