pptrs Interface

public interface pptrs

PPTRS solves a system of linear equations AX = B with a Hermitian positive definite matrix A in packed storage using the Cholesky factorization A = UHU or A = LL*H computed by CPPTRF.


Subroutines

public pure subroutine cpptrs(uplo, n, nrhs, ap, b, ldb, info)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: nrhs
complex(kind=sp), intent(in) :: ap(*)
complex(kind=sp), intent(inout) :: b(ldb,*)
integer(kind=ilp), intent(in) :: ldb
integer(kind=ilp), intent(out) :: info

public pure subroutine dpptrs(uplo, n, nrhs, ap, b, ldb, info)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: nrhs
real(kind=dp), intent(in) :: ap(*)
real(kind=dp), intent(inout) :: b(ldb,*)
integer(kind=ilp), intent(in) :: ldb
integer(kind=ilp), intent(out) :: info

public pure subroutine spptrs(uplo, n, nrhs, ap, b, ldb, info)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: nrhs
real(kind=sp), intent(in) :: ap(*)
real(kind=sp), intent(inout) :: b(ldb,*)
integer(kind=ilp), intent(in) :: ldb
integer(kind=ilp), intent(out) :: info

public pure subroutine zpptrs(uplo, n, nrhs, ap, b, ldb, info)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: nrhs
complex(kind=dp), intent(in) :: ap(*)
complex(kind=dp), intent(inout) :: b(ldb,*)
integer(kind=ilp), intent(in) :: ldb
integer(kind=ilp), intent(out) :: info

Module Procedures

public interface stdlib_cpptrs()

Arguments

None

public interface stdlib_dpptrs()

Arguments

None

public interface stdlib_spptrs()

Arguments

None

public interface stdlib_zpptrs()

Arguments

None