trsv Interface

public interface trsv

TRSV solves one of the systems of equations Ax = b, or ATx = b, or A*Hx = b, where b and x are n element vectors and A is an n by n unit, or non-unit, upper or lower triangular matrix. No test for singularity or near-singularity is included in this routine. Such tests must be performed before calling this routine.


Subroutines

public pure subroutine ctrsv(uplo, trans, diag, n, a, lda, x, incx)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
character(len=1), intent(in) :: trans
character(len=1), intent(in) :: diag
integer(kind=ilp), intent(in) :: n
complex(kind=sp), intent(in) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
complex(kind=sp), intent(inout) :: x(*)
integer(kind=ilp), intent(in) :: incx

public pure subroutine dtrsv(uplo, trans, diag, n, a, lda, x, incx)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
character(len=1), intent(in) :: trans
character(len=1), intent(in) :: diag
integer(kind=ilp), intent(in) :: n
real(kind=dp), intent(in) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
real(kind=dp), intent(inout) :: x(*)
integer(kind=ilp), intent(in) :: incx

public pure subroutine strsv(uplo, trans, diag, n, a, lda, x, incx)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
character(len=1), intent(in) :: trans
character(len=1), intent(in) :: diag
integer(kind=ilp), intent(in) :: n
real(kind=sp), intent(in) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
real(kind=sp), intent(inout) :: x(*)
integer(kind=ilp), intent(in) :: incx

public pure subroutine ztrsv(uplo, trans, diag, n, a, lda, x, incx)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
character(len=1), intent(in) :: trans
character(len=1), intent(in) :: diag
integer(kind=ilp), intent(in) :: n
complex(kind=dp), intent(in) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
complex(kind=dp), intent(inout) :: x(*)
integer(kind=ilp), intent(in) :: incx

Module Procedures

public interface stdlib_ctrsv()

Arguments

None

public interface stdlib_dtrsv()

Arguments

None

public interface stdlib_strsv()

Arguments

None

public interface stdlib_ztrsv()

Arguments

None