gelqt Interface

public interface gelqt

GELQT computes a blocked LQ factorization of a complex M-by-N matrix A using the compact WY representation of Q.


Subroutines

public pure subroutine cgelqt(m, n, mb, a, lda, t, ldt, work, info)

Arguments

Type IntentOptional Attributes Name
integer(kind=ilp), intent(in) :: m
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: mb
complex(kind=sp), intent(inout) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
complex(kind=sp), intent(out) :: t(ldt,*)
integer(kind=ilp), intent(in) :: ldt
complex(kind=sp), intent(out) :: work(*)
integer(kind=ilp), intent(out) :: info

public pure subroutine dgelqt(m, n, mb, a, lda, t, ldt, work, info)

Arguments

Type IntentOptional Attributes Name
integer(kind=ilp), intent(in) :: m
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: mb
real(kind=dp), intent(inout) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
real(kind=dp), intent(out) :: t(ldt,*)
integer(kind=ilp), intent(in) :: ldt
real(kind=dp), intent(out) :: work(*)
integer(kind=ilp), intent(out) :: info

public pure subroutine sgelqt(m, n, mb, a, lda, t, ldt, work, info)

Arguments

Type IntentOptional Attributes Name
integer(kind=ilp), intent(in) :: m
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: mb
real(kind=sp), intent(inout) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
real(kind=sp), intent(out) :: t(ldt,*)
integer(kind=ilp), intent(in) :: ldt
real(kind=sp), intent(out) :: work(*)
integer(kind=ilp), intent(out) :: info

public pure subroutine zgelqt(m, n, mb, a, lda, t, ldt, work, info)

Arguments

Type IntentOptional Attributes Name
integer(kind=ilp), intent(in) :: m
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: mb
complex(kind=dp), intent(inout) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
complex(kind=dp), intent(out) :: t(ldt,*)
integer(kind=ilp), intent(in) :: ldt
complex(kind=dp), intent(out) :: work(*)
integer(kind=ilp), intent(out) :: info

Module Procedures

public interface stdlib_cgelqt()

Arguments

None

public interface stdlib_dgelqt()

Arguments

None

public interface stdlib_sgelqt()

Arguments

None

public interface stdlib_zgelqt()

Arguments

None