la_lapack::pttrf Interface Reference

PTTRF: computes the L*D*L**H factorization of a complex Hermitian positive definite tridiagonal matrix A. The factorization may also be regarded as having the form A = U**H *D*U. More...

Public Member Functions
pure subroutine	cpttrf (n, d, e, info)
	la_cpttrf
pure subroutine	dpttrf (n, d, e, info)
	la_dpttrf
	la_qpttrf
pure subroutine	spttrf (n, d, e, info)
	la_spttrf
	la_wpttrf
pure subroutine	zpttrf (n, d, e, info)
	la_zpttrf

Detailed Description

PTTRF: computes the L*D*L**H factorization of a complex Hermitian positive definite tridiagonal matrix A. The factorization may also be regarded as having the form A = U**H *D*U.

Member Function/Subroutine Documentation

cpttrf()

pure subroutine la_lapack::pttrf::cpttrf	(	integer(ilp), intent(in)	n,
		real(sp), dimension(*), intent(inout)	d,
		complex(sp), dimension(*), intent(inout)	e,
		integer(ilp), intent(out)	info
	)

dpttrf()

pure subroutine la_lapack::pttrf::dpttrf	(	integer(ilp), intent(in)	n,
		real(dp), dimension(*), intent(inout)	d,
		real(dp), dimension(*), intent(inout)	e,
		integer(ilp), intent(out)	info
	)

la_cpttrf()

la_lapack::pttrf::la_cpttrf

la_dpttrf()

la_lapack::pttrf::la_dpttrf

la_qpttrf()

la_lapack::pttrf::la_qpttrf

la_spttrf()

la_lapack::pttrf::la_spttrf

la_wpttrf()

la_lapack::pttrf::la_wpttrf

la_zpttrf()

la_lapack::pttrf::la_zpttrf

spttrf()

pure subroutine la_lapack::pttrf::spttrf	(	integer(ilp), intent(in)	n,
		real(sp), dimension(*), intent(inout)	d,
		real(sp), dimension(*), intent(inout)	e,
		integer(ilp), intent(out)	info
	)

zpttrf()

pure subroutine la_lapack::pttrf::zpttrf	(	integer(ilp), intent(in)	n,
		real(dp), dimension(*), intent(inout)	d,
		complex(dp), dimension(*), intent(inout)	e,
		integer(ilp), intent(out)	info
	)

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

• la_lapack.f90