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SVD: Improved overflow/division protection.

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Resolves bug report https://bugs.openfoam.org/view.php?id=2486
This commit is contained in:
Will Bainbridge
2017-04-20 10:54:08 +01:00
parent ea257737df
commit e4ac3fba77
1 changed files with 3 additions and 3 deletions
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6
src/OpenFOAM/matrices/scalarMatrices/SVD/SVD.C
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@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2017 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -156,7 +156,7 @@ Foam::SVD::SVD(const scalarRectangularMatrix& A, const scalar minCondition)
{
if (i < Un-1)
{
if (g != 0)
if (g*U_(i, l) != 0)
{
for (label j=l; j<Un; j++)
{
@ -199,7 +199,7 @@ Foam::SVD::SVD(const scalarRectangularMatrix& A, const scalar minCondition)
U_(i, j) = 0;
}
if (g != 0)
if (g*U_(i, i) != 0)
{
g = 1.0/g;