la_lapack::pstrf Interface Reference

PSTRF: computes the Cholesky factorization with complete pivoting of a complex Hermitian positive semidefinite matrix A. The factorization has the form P**T * A * P = U**H * U , if UPLO = 'U', P**T * A * P = L * L**H, if UPLO = 'L', where U is an upper triangular matrix and L is lower triangular, and P is stored as vector PIV. This algorithm does not attempt to check that A is positive semidefinite. This version of the algorithm calls level 3 BLAS. More...

Public Member Functions
pure subroutine	cpstrf (uplo, n, a, lda, piv, rank, tol, work, info)
	la_cpstrf
pure subroutine	dpstrf (uplo, n, a, lda, piv, rank, tol, work, info)
	la_dpstrf
	la_qpstrf
pure subroutine	spstrf (uplo, n, a, lda, piv, rank, tol, work, info)
	la_spstrf
	la_wpstrf
pure subroutine	zpstrf (uplo, n, a, lda, piv, rank, tol, work, info)
	la_zpstrf

Detailed Description

PSTRF: computes the Cholesky factorization with complete pivoting of a complex Hermitian positive semidefinite matrix A. The factorization has the form P**T * A * P = U**H * U , if UPLO = 'U', P**T * A * P = L * L**H, if UPLO = 'L', where U is an upper triangular matrix and L is lower triangular, and P is stored as vector PIV. This algorithm does not attempt to check that A is positive semidefinite. This version of the algorithm calls level 3 BLAS.

Member Function/Subroutine Documentation

cpstrf()

pure subroutine la_lapack::pstrf::cpstrf	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		complex(sp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		integer(ilp), dimension(n), intent(out)	piv,
		integer(ilp), intent(out)	rank,
		real(sp), intent(in)	tol,
		real(sp), dimension(2*n), intent(out)	work,
		integer(ilp), intent(out)	info
	)

dpstrf()

pure subroutine la_lapack::pstrf::dpstrf	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		real(dp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		integer(ilp), dimension(n), intent(out)	piv,
		integer(ilp), intent(out)	rank,
		real(dp), intent(in)	tol,
		real(dp), dimension(2*n), intent(out)	work,
		integer(ilp), intent(out)	info
	)

la_cpstrf()

la_lapack::pstrf::la_cpstrf

la_dpstrf()

la_lapack::pstrf::la_dpstrf

la_qpstrf()

la_lapack::pstrf::la_qpstrf

la_spstrf()

la_lapack::pstrf::la_spstrf

la_wpstrf()

la_lapack::pstrf::la_wpstrf

la_zpstrf()

la_lapack::pstrf::la_zpstrf

spstrf()

pure subroutine la_lapack::pstrf::spstrf	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		real(sp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		integer(ilp), dimension(n), intent(out)	piv,
		integer(ilp), intent(out)	rank,
		real(sp), intent(in)	tol,
		real(sp), dimension(2*n), intent(out)	work,
		integer(ilp), intent(out)	info
	)

zpstrf()

pure subroutine la_lapack::pstrf::zpstrf	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		complex(dp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		integer(ilp), dimension(n), intent(out)	piv,
		integer(ilp), intent(out)	rank,
		real(dp), intent(in)	tol,
		real(dp), dimension(2*n), intent(out)	work,
		integer(ilp), intent(out)	info
	)

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

• la_lapack.f90