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Fix misuse of dummy_precesion in eigenvalues solvers

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Gael Guennebaud
2016-07-23 17:52:31 +02:00
parent 72744d93ef
commit 1b0353c659
2 changed files with 6 additions and 3 deletions
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3
Eigen/src/Eigenvalues/SelfAdjointEigenSolver.h
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@@ -492,11 +492,12 @@ ComputationInfo computeFromTridiagonal_impl(DiagType& diag, SubDiagType& subdiag
typedef typename DiagType::RealScalar RealScalar;
const RealScalar considerAsZero = (std::numeric_limits<RealScalar>::min)();
const RealScalar precision = RealScalar(2)*NumTraits<RealScalar>::epsilon();
while (end>0)
{
for (Index i = start; i<end; ++i)
if (internal::isMuchSmallerThan(abs(subdiag[i]),(abs(diag[i])+abs(diag[i+1]))) || abs(subdiag[i]) <= considerAsZero)
if (internal::isMuchSmallerThan(abs(subdiag[i]),(abs(diag[i])+abs(diag[i+1])),precision) || abs(subdiag[i]) <= considerAsZero)
subdiag[i] = 0;
// find the largest unreduced block