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lapack: add SchurComp and SchurUpdateComp types and consts, rename EVComp consts

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Vladimir Chalupecky
2018-09-14 13:12:30 +02:00
committed by Vladimír Chalupecký
parent 6d5ac7aa26
commit 8ecf638470
9 changed files with 60 additions and 52 deletions
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35
lapack/lapack.go
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@@ -127,23 +127,13 @@ const (
GSVDNone GSVDJob = 'N' // Do not compute orthogonal matrix
)
// EVComp specifies how eigenvectors are computed.
// EVComp specifies how eigenvectors are computed in Dsteqr.
type EVComp byte
const (
// OriginalEV specifies to compute the eigenvectors of the original
// matrix.
OriginalEV EVComp = 'V'
// TridiagEV specifies to compute both the eigenvectors of the input
// tridiagonal matrix.
TridiagEV EVComp = 'I'
// HessEV specifies to compute both the eigenvectors of the input upper
// Hessenberg matrix.
HessEV EVComp = 'I'
// UpdateSchur specifies that the matrix of Schur vectors will be
// updated by Dtrexc.
UpdateSchur EVComp = 'V'
EVOrig EVComp = 'V' // Compute eigenvectors of the original symmetric matrix.
EVTridiag EVComp = 'I' // Compute eigenvectors of the tridiagonal matrix.
EVCompNone EVComp = 'N' // Do not compute eigenvectors.
)
// EVJob specifies whether eigenvectors are computed in Dsyev.
@@ -188,6 +178,23 @@ const (
EigenvaluesAndSchur SchurJob = 'S'
)
// SchurComp specifies whether and how the Schur vectors are computed in Dhseqr.
type SchurComp byte
const (
SchurNone SchurComp = 'N' // Schur vectors are not computed.
SchurHess SchurComp = 'I' // Schur vectors of the upper Hessenberg marix are computed.
SchurOrig SchurComp = 'V' // Schur vectors of the original matrix are computed.
)
// UpdateSchurComp specifies whether the matrix of Schur vectors is updated in Dtrexc.
type UpdateSchurComp byte
const (
UpdateSchur UpdateSchurComp = 'V' // The matrix of Schur vectors is updated.
UpdateSchurNone UpdateSchurComp = 'N' // The matrix of Schur vectors is not updated.
)
// EVSide specifies what eigenvectors are computed in Dtrevc3.
type EVSide byte