LAGTM: performs a matrix-vector product of the form B := alpha * A * X + beta * B where A is a tridiagonal matrix of order N, B and X are N by NRHS matrices, and alpha and beta are real scalars, each of which may be 0., 1., or -1.
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| pure subroutine | clagtm (trans, n, nrhs, alpha, dl, d, du, x, ldx, beta, b, ldb) |
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| | la_clagtm |
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| pure subroutine | dlagtm (trans, n, nrhs, alpha, dl, d, du, x, ldx, beta, b, ldb) |
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| | la_dlagtm |
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| | la_qlagtm |
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| pure subroutine | slagtm (trans, n, nrhs, alpha, dl, d, du, x, ldx, beta, b, ldb) |
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| | la_slagtm |
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| | la_wlagtm |
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| pure subroutine | zlagtm (trans, n, nrhs, alpha, dl, d, du, x, ldx, beta, b, ldb) |
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| | la_zlagtm |
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LAGTM: performs a matrix-vector product of the form B := alpha * A * X + beta * B where A is a tridiagonal matrix of order N, B and X are N by NRHS matrices, and alpha and beta are real scalars, each of which may be 0., 1., or -1.
◆ clagtm()
| pure subroutine la_lapack::lagtm::clagtm |
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character, intent(in) | trans, |
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integer(ilp), intent(in) | n, |
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integer(ilp), intent(in) | nrhs, |
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real(sp), intent(in) | alpha, |
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complex(sp), dimension(*), intent(in) | dl, |
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complex(sp), dimension(*), intent(in) | d, |
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complex(sp), dimension(*), intent(in) | du, |
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complex(sp), dimension(ldx,*), intent(in) | x, |
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integer(ilp), intent(in) | ldx, |
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real(sp), intent(in) | beta, |
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complex(sp), dimension(ldb,*), intent(inout) | b, |
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integer(ilp), intent(in) | ldb ) |
◆ dlagtm()
| pure subroutine la_lapack::lagtm::dlagtm |
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character, intent(in) | trans, |
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integer(ilp), intent(in) | n, |
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integer(ilp), intent(in) | nrhs, |
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real(dp), intent(in) | alpha, |
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real(dp), dimension(*), intent(in) | dl, |
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real(dp), dimension(*), intent(in) | d, |
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real(dp), dimension(*), intent(in) | du, |
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real(dp), dimension(ldx,*), intent(in) | x, |
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integer(ilp), intent(in) | ldx, |
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real(dp), intent(in) | beta, |
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real(dp), dimension(ldb,*), intent(inout) | b, |
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integer(ilp), intent(in) | ldb ) |
◆ la_clagtm()
| la_lapack::lagtm::la_clagtm |
◆ la_dlagtm()
| la_lapack::lagtm::la_dlagtm |
◆ la_qlagtm()
| la_lapack::lagtm::la_qlagtm |
◆ la_slagtm()
| la_lapack::lagtm::la_slagtm |
◆ la_wlagtm()
| la_lapack::lagtm::la_wlagtm |
◆ la_zlagtm()
| la_lapack::lagtm::la_zlagtm |
◆ slagtm()
| pure subroutine la_lapack::lagtm::slagtm |
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character, intent(in) | trans, |
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integer(ilp), intent(in) | n, |
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integer(ilp), intent(in) | nrhs, |
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real(sp), intent(in) | alpha, |
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real(sp), dimension(*), intent(in) | dl, |
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real(sp), dimension(*), intent(in) | d, |
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real(sp), dimension(*), intent(in) | du, |
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real(sp), dimension(ldx,*), intent(in) | x, |
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integer(ilp), intent(in) | ldx, |
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real(sp), intent(in) | beta, |
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real(sp), dimension(ldb,*), intent(inout) | b, |
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integer(ilp), intent(in) | ldb ) |
◆ zlagtm()
| pure subroutine la_lapack::lagtm::zlagtm |
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character, intent(in) | trans, |
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integer(ilp), intent(in) | n, |
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integer(ilp), intent(in) | nrhs, |
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real(dp), intent(in) | alpha, |
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complex(dp), dimension(*), intent(in) | dl, |
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complex(dp), dimension(*), intent(in) | d, |
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complex(dp), dimension(*), intent(in) | du, |
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complex(dp), dimension(ldx,*), intent(in) | x, |
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integer(ilp), intent(in) | ldx, |
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real(dp), intent(in) | beta, |
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complex(dp), dimension(ldb,*), intent(inout) | b, |
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integer(ilp), intent(in) | ldb ) |
The documentation for this interface was generated from the following file:
