sprfs Interface

public interface sprfs

SPRFS improves the computed solution to a system of linear equations when the coefficient matrix is symmetric indefinite and packed, and provides error bounds and backward error estimates for the solution.

Subroutines

public pure subroutine csprfs(uplo, n, nrhs, ap, afp, ipiv, b, ldb, x, ldx, ferr, berr, work, rwork, info)

Arguments

Type	Intent	Optional	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(in)			::	afp(*)
integer(kind=ilp),	intent(in)			::	ipiv(*)
complex(kind=sp),	intent(in)			::	b(ldb,*)
integer(kind=ilp),	intent(in)			::	ldb
complex(kind=sp),	intent(inout)			::	x(ldx,*)
integer(kind=ilp),	intent(in)			::	ldx
real(kind=sp),	intent(out)			::	ferr(*)
real(kind=sp),	intent(out)			::	berr(*)
complex(kind=sp),	intent(out)			::	work(*)
real(kind=sp),	intent(out)			::	rwork(*)
integer(kind=ilp),	intent(out)			::	info

public pure subroutine dsprfs(uplo, n, nrhs, ap, afp, ipiv, b, ldb, x, ldx, ferr, berr, work, iwork, info)

Arguments

Type	Intent	Optional	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(in)			::	afp(*)
integer(kind=ilp),	intent(in)			::	ipiv(*)
real(kind=dp),	intent(in)			::	b(ldb,*)
integer(kind=ilp),	intent(in)			::	ldb
real(kind=dp),	intent(inout)			::	x(ldx,*)
integer(kind=ilp),	intent(in)			::	ldx
real(kind=dp),	intent(out)			::	ferr(*)
real(kind=dp),	intent(out)			::	berr(*)
real(kind=dp),	intent(out)			::	work(*)
integer(kind=ilp),	intent(out)			::	iwork(*)
integer(kind=ilp),	intent(out)			::	info

public pure subroutine ssprfs(uplo, n, nrhs, ap, afp, ipiv, b, ldb, x, ldx, ferr, berr, work, iwork, info)

Arguments

Type	Intent	Optional	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(in)			::	afp(*)
integer(kind=ilp),	intent(in)			::	ipiv(*)
real(kind=sp),	intent(in)			::	b(ldb,*)
integer(kind=ilp),	intent(in)			::	ldb
real(kind=sp),	intent(inout)			::	x(ldx,*)
integer(kind=ilp),	intent(in)			::	ldx
real(kind=sp),	intent(out)			::	ferr(*)
real(kind=sp),	intent(out)			::	berr(*)
real(kind=sp),	intent(out)			::	work(*)
integer(kind=ilp),	intent(out)			::	iwork(*)
integer(kind=ilp),	intent(out)			::	info

public pure subroutine zsprfs(uplo, n, nrhs, ap, afp, ipiv, b, ldb, x, ldx, ferr, berr, work, rwork, info)

Arguments

Type	Intent	Optional	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(in)			::	afp(*)
integer(kind=ilp),	intent(in)			::	ipiv(*)
complex(kind=dp),	intent(in)			::	b(ldb,*)
integer(kind=ilp),	intent(in)			::	ldb
complex(kind=dp),	intent(inout)			::	x(ldx,*)
integer(kind=ilp),	intent(in)			::	ldx
real(kind=dp),	intent(out)			::	ferr(*)
real(kind=dp),	intent(out)			::	berr(*)
complex(kind=dp),	intent(out)			::	work(*)
real(kind=dp),	intent(out)			::	rwork(*)
integer(kind=ilp),	intent(out)			::	info

Module Procedures

public interface stdlib_csprfs()

Arguments

None

public interface stdlib_dsprfs()

Arguments

None

public interface stdlib_ssprfs()

Arguments

None

public interface stdlib_zsprfs()

Arguments

None