gbtrf Interface

public interface gbtrf

GBTRF computes an LU factorization of a complex m-by-n band matrix A using partial pivoting with row interchanges. This is the blocked version of the algorithm, calling Level 3 BLAS.

Subroutines

public pure subroutine cgbtrf(m, n, kl, ku, ab, ldab, ipiv, info)

Arguments

Type	Intent	Optional	Attributes		Name
integer(kind=ilp),	intent(in)			::	m
integer(kind=ilp),	intent(in)			::	n
integer(kind=ilp),	intent(in)			::	kl
integer(kind=ilp),	intent(in)			::	ku
complex(kind=sp),	intent(inout)			::	ab(ldab,*)
integer(kind=ilp),	intent(in)			::	ldab
integer(kind=ilp),	intent(out)			::	ipiv(*)
integer(kind=ilp),	intent(out)			::	info

public pure subroutine dgbtrf(m, n, kl, ku, ab, ldab, ipiv, info)

Arguments

Type	Intent	Optional	Attributes		Name
integer(kind=ilp),	intent(in)			::	m
integer(kind=ilp),	intent(in)			::	n
integer(kind=ilp),	intent(in)			::	kl
integer(kind=ilp),	intent(in)			::	ku
real(kind=dp),	intent(inout)			::	ab(ldab,*)
integer(kind=ilp),	intent(in)			::	ldab
integer(kind=ilp),	intent(out)			::	ipiv(*)
integer(kind=ilp),	intent(out)			::	info

public pure subroutine sgbtrf(m, n, kl, ku, ab, ldab, ipiv, info)

Arguments

Type	Intent	Optional	Attributes		Name
integer(kind=ilp),	intent(in)			::	m
integer(kind=ilp),	intent(in)			::	n
integer(kind=ilp),	intent(in)			::	kl
integer(kind=ilp),	intent(in)			::	ku
real(kind=sp),	intent(inout)			::	ab(ldab,*)
integer(kind=ilp),	intent(in)			::	ldab
integer(kind=ilp),	intent(out)			::	ipiv(*)
integer(kind=ilp),	intent(out)			::	info

public pure subroutine zgbtrf(m, n, kl, ku, ab, ldab, ipiv, info)

Arguments

Type	Intent	Optional	Attributes		Name
integer(kind=ilp),	intent(in)			::	m
integer(kind=ilp),	intent(in)			::	n
integer(kind=ilp),	intent(in)			::	kl
integer(kind=ilp),	intent(in)			::	ku
complex(kind=dp),	intent(inout)			::	ab(ldab,*)
integer(kind=ilp),	intent(in)			::	ldab
integer(kind=ilp),	intent(out)			::	ipiv(*)
integer(kind=ilp),	intent(out)			::	info

Module Procedures

public interface stdlib_cgbtrf()

Arguments

None

public interface stdlib_dgbtrf()

Arguments

None

public interface stdlib_sgbtrf()

Arguments

None

public interface stdlib_zgbtrf()

Arguments

None