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lib
meas
eig
sn_jacob_array.h
Go to the documentation of this file.
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#ifndef __sn_jacob_array_h__
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#define __sn_jacob_array_h__
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namespace
Chroma
{
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//! Single-node Jacobi rotation
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/*!
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* \ingroup eig
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*
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* This subroutine contains a "single node" Jacobi routine
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* to be used with the Ritz functional eigenvialue/std::vector finder.
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*
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*
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* Psi Eigenvectors (Modify)
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* N_eig Eigenvalue number (Read)
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* lambda Diagonals / Eigenvalues (Modify)
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* off_diag Upper triang off-diag matrix elems (Modify)
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* Toler Tolerance for off-diag elems (Read)
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* N_max Maximal number of Jacobi iters (Read)
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* \param sub Subset to use (Read)
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*
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* \return Number of Jacobi iters (Write)
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*/
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int
SN_Jacob_Array
(multi2d<LatticeFermion>&
psi
,
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const
int
N_eig,
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multi1d<Real>& lambda,
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multi1d<Complex>& off_diag,
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Real tolerance,
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int
N_max,
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const
Subset& sub);
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}
// end namespace Chroma
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#endif
Chroma::SN_Jacob_Array
int SN_Jacob_Array(multi2d< LatticeFermion > &psi, const int N_eig, multi1d< Real > &lambda, multi1d< Complex > &off_diag, Real tolerance, int N_max, const Subset &sub)
Single-node Jacobi rotation.
Definition:
sn_jacob_array.cc:236
Chroma
Asqtad Staggered-Dirac operator.
Definition:
klein_gord.cc:10
Chroma::psi
LatticeFermion psi
Definition:
mespbg5p_w.cc:35
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