pbtrf Interface

public interface pbtrf

PBTRF computes the Cholesky factorization of a complex Hermitian positive definite band matrix A. The factorization has the form A = UH * U, if UPLO = 'U', or A = L * LH, if UPLO = 'L', where U is an upper triangular matrix and L is lower triangular.


Subroutines

public pure subroutine cpbtrf(uplo, n, kd, ab, ldab, info)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: kd
complex(kind=sp), intent(inout) :: ab(ldab,*)
integer(kind=ilp), intent(in) :: ldab
integer(kind=ilp), intent(out) :: info

public pure subroutine dpbtrf(uplo, n, kd, ab, ldab, info)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: kd
real(kind=dp), intent(inout) :: ab(ldab,*)
integer(kind=ilp), intent(in) :: ldab
integer(kind=ilp), intent(out) :: info

public pure subroutine spbtrf(uplo, n, kd, ab, ldab, info)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: kd
real(kind=sp), intent(inout) :: ab(ldab,*)
integer(kind=ilp), intent(in) :: ldab
integer(kind=ilp), intent(out) :: info

public pure subroutine zpbtrf(uplo, n, kd, ab, ldab, info)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: kd
complex(kind=dp), intent(inout) :: ab(ldab,*)
integer(kind=ilp), intent(in) :: ldab
integer(kind=ilp), intent(out) :: info

Module Procedures

public interface stdlib_cpbtrf()

Arguments

None

public interface stdlib_dpbtrf()

Arguments

None

public interface stdlib_spbtrf()

Arguments

None

public interface stdlib_zpbtrf()

Arguments

None