librsb 1.3.0.3
Public Member Functions
blas_sparse::ussm Interface Reference

triangular solve: b <- alpha A^-1 b More...

Public Member Functions

subroutine sussm (order, transt, nrhs, alpha, t, b, ldb, istat)
 Triangular solve, by a dense matrix (aka multi-vector). Either of $B \leftarrow \alpha T^{-1} B,$ $B \leftarrow \alpha T^{-T} B,$ $B \leftarrow \alpha T^{-H} B$, depending on the value of transT.
subroutine dussm (order, transt, nrhs, alpha, t, b, ldb, istat)
 Triangular solve, by a dense matrix (aka multi-vector). Either of $B \leftarrow \alpha T^{-1} B,$ $B \leftarrow \alpha T^{-T} B,$ $B \leftarrow \alpha T^{-H} B$, depending on the value of transT.
subroutine cussm (order, transt, nrhs, alpha, t, b, ldb, istat)
 Triangular solve, by a dense matrix (aka multi-vector). Either of $B \leftarrow \alpha T^{-1} B,$ $B \leftarrow \alpha T^{-T} B,$ $B \leftarrow \alpha T^{-H} B$, depending on the value of transT.
subroutine zussm (order, transt, nrhs, alpha, t, b, ldb, istat)
 Triangular solve, by a dense matrix (aka multi-vector). Either of $B \leftarrow \alpha T^{-1} B,$ $B \leftarrow \alpha T^{-T} B,$ $B \leftarrow \alpha T^{-H} B$, depending on the value of transT.

Detailed Description

triangular solve: b <- alpha A^-1 b

Parameters
istatThe return code will be written to istat (this is a Fortran routine): either 0 (success) or -1 (failure).

Member Function/Subroutine Documentation

◆ cussm()

subroutine blas_sparse::ussm::cussm ( integer order,
integer transt,
integer(kind=rsb_blas_idx_kind) nrhs,
complex(kind(1.e0)) alpha,
integer t,
complex(kind(1.e0)), dimension (:,:) b,
integer(kind=rsb_blas_idx_kind) ldb,
integer(kind=rsb_blas_ist_kind), intent(out) istat )

Triangular solve, by a dense matrix (aka multi-vector). Either of $B \leftarrow \alpha T^{-1} B,$ $B \leftarrow \alpha T^{-T} B,$ $B \leftarrow \alpha T^{-H} B$, depending on the value of transT.

Parameters
orderlayour of the dense array.
transTTransposition operator for matrix T.
nrhsNumber of right hand side columns.
alphaValue for $ \alpha $.
TA valid triangular matrix handle.
bDense vector b.
ldbLeading dimension of b.
Returns
On success, 0 is returned; on error, -1.
Parameters
istatThe return code will be written to istat (this is a Fortran routine): either 0 (success) or -1 (failure).

◆ dussm()

subroutine blas_sparse::ussm::dussm ( integer order,
integer transt,
integer(kind=rsb_blas_idx_kind) nrhs,
real(kind(1.d0)) alpha,
integer t,
real(kind(1.d0)), dimension (:,:) b,
integer(kind=rsb_blas_idx_kind) ldb,
integer(kind=rsb_blas_ist_kind), intent(out) istat )

Triangular solve, by a dense matrix (aka multi-vector). Either of $B \leftarrow \alpha T^{-1} B,$ $B \leftarrow \alpha T^{-T} B,$ $B \leftarrow \alpha T^{-H} B$, depending on the value of transT.

Parameters
orderlayour of the dense array.
transTTransposition operator for matrix T.
nrhsNumber of right hand side columns.
alphaValue for $ \alpha $.
TA valid triangular matrix handle.
bDense vector b.
ldbLeading dimension of b.
Returns
On success, 0 is returned; on error, -1.
Parameters
istatThe return code will be written to istat (this is a Fortran routine): either 0 (success) or -1 (failure).

◆ sussm()

subroutine blas_sparse::ussm::sussm ( integer order,
integer transt,
integer(kind=rsb_blas_idx_kind) nrhs,
real(kind(1.e0)) alpha,
integer t,
real(kind(1.e0)), dimension (:,:) b,
integer(kind=rsb_blas_idx_kind) ldb,
integer(kind=rsb_blas_ist_kind), intent(out) istat )

Triangular solve, by a dense matrix (aka multi-vector). Either of $B \leftarrow \alpha T^{-1} B,$ $B \leftarrow \alpha T^{-T} B,$ $B \leftarrow \alpha T^{-H} B$, depending on the value of transT.

Parameters
orderlayour of the dense array.
transTTransposition operator for matrix T.
nrhsNumber of right hand side columns.
alphaValue for $ \alpha $.
TA valid triangular matrix handle.
bDense vector b.
ldbLeading dimension of b.
Returns
On success, 0 is returned; on error, -1.
Parameters
istatThe return code will be written to istat (this is a Fortran routine): either 0 (success) or -1 (failure).

◆ zussm()

subroutine blas_sparse::ussm::zussm ( integer order,
integer transt,
integer(kind=rsb_blas_idx_kind) nrhs,
complex(kind(1.d0)) alpha,
integer t,
complex(kind(1.d0)), dimension (:,:) b,
integer(kind=rsb_blas_idx_kind) ldb,
integer(kind=rsb_blas_ist_kind), intent(out) istat )

Triangular solve, by a dense matrix (aka multi-vector). Either of $B \leftarrow \alpha T^{-1} B,$ $B \leftarrow \alpha T^{-T} B,$ $B \leftarrow \alpha T^{-H} B$, depending on the value of transT.

Parameters
orderlayour of the dense array.
transTTransposition operator for matrix T.
nrhsNumber of right hand side columns.
alphaValue for $ \alpha $.
TA valid triangular matrix handle.
bDense vector b.
ldbLeading dimension of b.
Returns
On success, 0 is returned; on error, -1.
Parameters
istatThe return code will be written to istat (this is a Fortran routine): either 0 (success) or -1 (failure).
The documentation for this interface was generated from the following file:
Generated by doxygen 1.15.0