HETRF: computes the factorization of a complex Hermitian matrix A using the Bunch-Kaufman diagonal pivoting method. The form of the factorization is A = U*D*U**H or A = L*D*L**H where U (or L) is a product of permutation and unit upper (lower) triangular matrices, and D is Hermitian and block diagonal with 1-by-1 and 2-by-2 diagonal blocks. This is the blocked version of the algorithm, calling Level 3 BLAS. More...

Public Member Functions
pure subroutine	chetrf (uplo, n, a, lda, ipiv, work, lwork, info)

	la_chetrf

	la_whetrf

pure subroutine	zhetrf (uplo, n, a, lda, ipiv, work, lwork, info)

	la_zhetrf

Detailed Description

HETRF: computes the factorization of a complex Hermitian matrix A using the Bunch-Kaufman diagonal pivoting method. The form of the factorization is A = U*D*U**H or A = L*D*L**H where U (or L) is a product of permutation and unit upper (lower) triangular matrices, and D is Hermitian and block diagonal with 1-by-1 and 2-by-2 diagonal blocks. This is the blocked version of the algorithm, calling Level 3 BLAS.

Member Function/Subroutine Documentation

◆ chetrf()

pure subroutine la_lapack::hetrf::chetrf	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		complex(sp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		integer(ilp), dimension(*), intent(out)	ipiv,
		complex(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info
	)

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◆ la_chetrf()

la_lapack::hetrf::la_chetrf

◆ la_whetrf()

la_lapack::hetrf::la_whetrf

◆ la_zhetrf()

la_lapack::hetrf::la_zhetrf

◆ zhetrf()

pure subroutine la_lapack::hetrf::zhetrf	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		complex(dp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		integer(ilp), dimension(*), intent(out)	ipiv,
		complex(dp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info
	)