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Merged eigen/eigen into default

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This commit is contained in:
Nicolas Mellado
2015-07-03 00:41:11 +02:00
parent 95ef94f1ee 8f1d547c92
commit 9115896590
88 changed files with 3006 additions and 619 deletions
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3
Eigen/src/Eigenvalues/SelfAdjointEigenSolver.h
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@@ -486,10 +486,11 @@ ComputationInfo computeFromTridiagonal_impl(DiagType& diag, SubDiagType& subdiag
while (end>0)
{
EIGEN_ASM_COMMENT("beginabs");
for (Index i = start; i<end; ++i)
if (internal::isMuchSmallerThan(abs(subdiag[i]),(abs(diag[i])+abs(diag[i+1]))) || abs(subdiag[i]) <= considerAsZero)
subdiag[i] = 0;
EIGEN_ASM_COMMENT("endabs");
// find the largest unreduced block
while (end>0 && subdiag[end-1]==0)
{

3
Eigen/src/Eigenvalues/Tridiagonalization.h
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@@ -464,9 +464,10 @@ struct tridiagonalization_inplace_selector<MatrixType,3,false>
static void run(MatrixType& mat, DiagonalType& diag, SubDiagonalType& subdiag, bool extractQ)
{
using std::sqrt;
const RealScalar tol = (std::numeric_limits<RealScalar>::min)();
diag[0] = mat(0,0);
RealScalar v1norm2 = numext::abs2(mat(2,0));
if(v1norm2 == RealScalar(0))
if(v1norm2 <= tol)
{
diag[1] = mat(1,1);
diag[2] = mat(2,2);