trmv Interface
public interface trmv
TRMV performs one of the matrix-vector operations x := Ax, or x := ATx, or x := A*Hx, where x is an n element vector and A is an n by n unit, or non-unit, upper or lower triangular matrix.
Subroutines
public pure subroutine ctrmv(uplo, trans, diag, n, a, lda, x, incx)
Arguments
| Type | Intent | Optional | 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 dtrmv(uplo, trans, diag, n, a, lda, x, incx)
Arguments
| Type | Intent | Optional | 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 strmv(uplo, trans, diag, n, a, lda, x, incx)
Arguments
| Type | Intent | Optional | 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 ztrmv(uplo, trans, diag, n, a, lda, x, incx)
Arguments
| Type | Intent | Optional | 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 pure subroutine stdlib_ctrmv(uplo, trans, diag, n, a, lda, x, incx)
CTRMV performs one of the matrix-vector operations x := Ax, or x := ATx, or x := A*Hx, where x is an n element vector and A is an n by n unit, or non-unit, upper or lower triangular matrix.
Arguments
| Type | Intent | Optional | 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 stdlib_dtrmv(uplo, trans, diag, n, a, lda, x, incx)
DTRMV performs one of the matrix-vector operations x := Ax, or x := ATx, where x is an n element vector and A is an n by n unit, or non-unit, upper or lower triangular matrix.
Arguments
| Type | Intent | Optional | 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 stdlib_strmv(uplo, trans, diag, n, a, lda, x, incx)
STRMV performs one of the matrix-vector operations x := Ax, or x := ATx, where x is an n element vector and A is an n by n unit, or non-unit, upper or lower triangular matrix.
Arguments
| Type | Intent | Optional | 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 stdlib_ztrmv(uplo, trans, diag, n, a, lda, x, incx)
ZTRMV performs one of the matrix-vector operations x := Ax, or x := ATx, or x := A*Hx, where x is an n element vector and A is an n by n unit, or non-unit, upper or lower triangular matrix.
Arguments
| Type | Intent | Optional | 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 |