la_lapack::hetrd Interface Reference

HETRD: reduces a complex Hermitian matrix A to real symmetric tridiagonal form T by a unitary similarity transformation: Q**H * A * Q = T. More...

Public Member Functions
pure subroutine	chetrd (uplo, n, a, lda, d, e, tau, work, lwork, info)
	la_chetrd
	la_whetrd
pure subroutine	zhetrd (uplo, n, a, lda, d, e, tau, work, lwork, info)
	la_zhetrd

Detailed Description

HETRD: reduces a complex Hermitian matrix A to real symmetric tridiagonal form T by a unitary similarity transformation: Q**H * A * Q = T.

Member Function/Subroutine Documentation

chetrd()

pure subroutine la_lapack::hetrd::chetrd	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		complex(sp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		real(sp), dimension(*), intent(out)	d,
		real(sp), dimension(*), intent(out)	e,
		complex(sp), dimension(*), intent(out)	tau,
		complex(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info )

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la_chetrd()

la_lapack::hetrd::la_chetrd

la_whetrd()

la_lapack::hetrd::la_whetrd

la_zhetrd()

la_lapack::hetrd::la_zhetrd

zhetrd()

pure subroutine la_lapack::hetrd::zhetrd	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		complex(dp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		real(dp), dimension(*), intent(out)	d,
		real(dp), dimension(*), intent(out)	e,
		complex(dp), dimension(*), intent(out)	tau,
		complex(dp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info )

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

• la_lapack.f90