la_lapack::tgsna Interface Reference

TGSNA: estimates reciprocal condition numbers for specified eigenvalues and/or eigenvectors of a matrix pair (A, B). (A, B) must be in generalized Schur canonical form, that is, A and B are both upper triangular. More...

Public Member Functions
pure subroutine	ctgsna (job, howmny, select, n, a, lda, b, ldb, vl, ldvl, vr, ldvr, s, dif, mm, m, work, lwork, iwork, info)
	la_ctgsna
pure subroutine	dtgsna (job, howmny, select, n, a, lda, b, ldb, vl, ldvl, vr, ldvr, s, dif, mm, m, work, lwork, iwork, info)
	la_dtgsna
	la_qtgsna
pure subroutine	stgsna (job, howmny, select, n, a, lda, b, ldb, vl, ldvl, vr, ldvr, s, dif, mm, m, work, lwork, iwork, info)
	la_stgsna
	la_wtgsna
pure subroutine	ztgsna (job, howmny, select, n, a, lda, b, ldb, vl, ldvl, vr, ldvr, s, dif, mm, m, work, lwork, iwork, info)
	la_ztgsna

Detailed Description

TGSNA: estimates reciprocal condition numbers for specified eigenvalues and/or eigenvectors of a matrix pair (A, B). (A, B) must be in generalized Schur canonical form, that is, A and B are both upper triangular.

Member Function/Subroutine Documentation

ctgsna()

pure subroutine la_lapack::tgsna::ctgsna	(	character, intent(in)	job,
		character, intent(in)	howmny,
		logical(lk), dimension(*), intent(in)	select,
		integer(ilp), intent(in)	n,
		complex(sp), dimension(lda,*), intent(in)	a,
		integer(ilp), intent(in)	lda,
		complex(sp), dimension(ldb,*), intent(in)	b,
		integer(ilp), intent(in)	ldb,
		complex(sp), dimension(ldvl,*), intent(in)	vl,
		integer(ilp), intent(in)	ldvl,
		complex(sp), dimension(ldvr,*), intent(in)	vr,
		integer(ilp), intent(in)	ldvr,
		real(sp), dimension(*), intent(out)	s,
		real(sp), dimension(*), intent(out)	dif,
		integer(ilp), intent(in)	mm,
		integer(ilp), intent(out)	m,
		complex(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), dimension(*), intent(out)	iwork,
		integer(ilp), intent(out)	info
	)

dtgsna()

pure subroutine la_lapack::tgsna::dtgsna	(	character, intent(in)	job,
		character, intent(in)	howmny,
		logical(lk), dimension(*), intent(in)	select,
		integer(ilp), intent(in)	n,
		real(dp), dimension(lda,*), intent(in)	a,
		integer(ilp), intent(in)	lda,
		real(dp), dimension(ldb,*), intent(in)	b,
		integer(ilp), intent(in)	ldb,
		real(dp), dimension(ldvl,*), intent(in)	vl,
		integer(ilp), intent(in)	ldvl,
		real(dp), dimension(ldvr,*), intent(in)	vr,
		integer(ilp), intent(in)	ldvr,
		real(dp), dimension(*), intent(out)	s,
		real(dp), dimension(*), intent(out)	dif,
		integer(ilp), intent(in)	mm,
		integer(ilp), intent(out)	m,
		real(dp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), dimension(*), intent(out)	iwork,
		integer(ilp), intent(out)	info
	)

la_ctgsna()

la_lapack::tgsna::la_ctgsna

la_dtgsna()

la_lapack::tgsna::la_dtgsna

la_qtgsna()

la_lapack::tgsna::la_qtgsna

la_stgsna()

la_lapack::tgsna::la_stgsna

la_wtgsna()

la_lapack::tgsna::la_wtgsna

la_ztgsna()

la_lapack::tgsna::la_ztgsna

stgsna()

pure subroutine la_lapack::tgsna::stgsna	(	character, intent(in)	job,
		character, intent(in)	howmny,
		logical(lk), dimension(*), intent(in)	select,
		integer(ilp), intent(in)	n,
		real(sp), dimension(lda,*), intent(in)	a,
		integer(ilp), intent(in)	lda,
		real(sp), dimension(ldb,*), intent(in)	b,
		integer(ilp), intent(in)	ldb,
		real(sp), dimension(ldvl,*), intent(in)	vl,
		integer(ilp), intent(in)	ldvl,
		real(sp), dimension(ldvr,*), intent(in)	vr,
		integer(ilp), intent(in)	ldvr,
		real(sp), dimension(*), intent(out)	s,
		real(sp), dimension(*), intent(out)	dif,
		integer(ilp), intent(in)	mm,
		integer(ilp), intent(out)	m,
		real(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), dimension(*), intent(out)	iwork,
		integer(ilp), intent(out)	info
	)

ztgsna()

pure subroutine la_lapack::tgsna::ztgsna	(	character, intent(in)	job,
		character, intent(in)	howmny,
		logical(lk), dimension(*), intent(in)	select,
		integer(ilp), intent(in)	n,
		complex(dp), dimension(lda,*), intent(in)	a,
		integer(ilp), intent(in)	lda,
		complex(dp), dimension(ldb,*), intent(in)	b,
		integer(ilp), intent(in)	ldb,
		complex(dp), dimension(ldvl,*), intent(in)	vl,
		integer(ilp), intent(in)	ldvl,
		complex(dp), dimension(ldvr,*), intent(in)	vr,
		integer(ilp), intent(in)	ldvr,
		real(dp), dimension(*), intent(out)	s,
		real(dp), dimension(*), intent(out)	dif,
		integer(ilp), intent(in)	mm,
		integer(ilp), intent(out)	m,
		complex(dp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), dimension(*), intent(out)	iwork,
		integer(ilp), intent(out)	info
	)

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The documentation for this interface was generated from the following file:

• la_lapack.f90