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la_lapack::gtrfs Interface Reference
GTRFS: improves the computed solution to a system of linear equations when the coefficient matrix is tridiagonal, and provides error bounds and backward error estimates for the solution. More...
Public Member Functions | |
| pure subroutine | cgtrfs (trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, ferr, berr, work, rwork, info) |
| la_cgtrfs | |
| pure subroutine | dgtrfs (trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, ferr, berr, work, iwork, info) |
| la_dgtrfs | |
| la_qgtrfs | |
| pure subroutine | sgtrfs (trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, ferr, berr, work, iwork, info) |
| la_sgtrfs | |
| la_wgtrfs | |
| pure subroutine | zgtrfs (trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, ferr, berr, work, rwork, info) |
| la_zgtrfs | |
Detailed Description
GTRFS: improves the computed solution to a system of linear equations when the coefficient matrix is tridiagonal, and provides error bounds and backward error estimates for the solution.
Member Function/Subroutine Documentation
◆ cgtrfs()
| pure subroutine la_lapack::gtrfs::cgtrfs | ( | character, intent(in) | trans, |
| integer(ilp), intent(in) | n, | ||
| integer(ilp), intent(in) | nrhs, | ||
| complex(sp), dimension(*), intent(in) | dl, | ||
| complex(sp), dimension(*), intent(in) | d, | ||
| complex(sp), dimension(*), intent(in) | du, | ||
| complex(sp), dimension(*), intent(in) | dlf, | ||
| complex(sp), dimension(*), intent(in) | df, | ||
| complex(sp), dimension( *), intent(in) | duf, | ||
| complex(sp), dimension(*), intent(in) | du2, | ||
| integer(ilp), dimension(*), intent(in) | ipiv, | ||
| complex(sp), dimension(ldb,*), intent(in) | b, | ||
| integer(ilp), intent(in) | ldb, | ||
| complex(sp), dimension(ldx,*), intent(inout) | x, | ||
| integer(ilp), intent(in) | ldx, | ||
| real(sp), dimension(*), intent(out) | ferr, | ||
| real(sp), dimension(*), intent(out) | berr, | ||
| complex(sp), dimension(*), intent(out) | work, | ||
| real(sp), dimension(*), intent(out) | rwork, | ||
| integer(ilp), intent(out) | info | ||
| ) |
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◆ dgtrfs()
| pure subroutine la_lapack::gtrfs::dgtrfs | ( | character, intent(in) | trans, |
| integer(ilp), intent(in) | n, | ||
| integer(ilp), intent(in) | nrhs, | ||
| real(dp), dimension(*), intent(in) | dl, | ||
| real(dp), dimension(*), intent(in) | d, | ||
| real(dp), dimension(*), intent(in) | du, | ||
| real(dp), dimension(*), intent(in) | dlf, | ||
| real(dp), dimension(*), intent(in) | df, | ||
| real(dp), dimension(*), intent(in) | duf, | ||
| real(dp), dimension(*), intent(in) | du2, | ||
| integer(ilp), dimension(*), intent(in) | ipiv, | ||
| real(dp), dimension(ldb,*), intent(in) | b, | ||
| integer(ilp), intent(in) | ldb, | ||
| real(dp), dimension(ldx,*), intent(inout) | x, | ||
| integer(ilp), intent(in) | ldx, | ||
| real(dp), dimension(*), intent(out) | ferr, | ||
| real(dp), dimension(*), intent(out) | berr, | ||
| real(dp), dimension(*), intent(out) | work, | ||
| integer(ilp), dimension(*), intent(out) | iwork, | ||
| integer(ilp), intent(out) | info | ||
| ) |
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◆ la_cgtrfs()
| la_lapack::gtrfs::la_cgtrfs |
◆ la_dgtrfs()
| la_lapack::gtrfs::la_dgtrfs |
◆ la_qgtrfs()
| la_lapack::gtrfs::la_qgtrfs |
◆ la_sgtrfs()
| la_lapack::gtrfs::la_sgtrfs |
◆ la_wgtrfs()
| la_lapack::gtrfs::la_wgtrfs |
◆ la_zgtrfs()
| la_lapack::gtrfs::la_zgtrfs |
◆ sgtrfs()
| pure subroutine la_lapack::gtrfs::sgtrfs | ( | character, intent(in) | trans, |
| integer(ilp), intent(in) | n, | ||
| integer(ilp), intent(in) | nrhs, | ||
| real(sp), dimension(*), intent(in) | dl, | ||
| real(sp), dimension(*), intent(in) | d, | ||
| real(sp), dimension(*), intent(in) | du, | ||
| real(sp), dimension(*), intent(in) | dlf, | ||
| real(sp), dimension(*), intent(in) | df, | ||
| real(sp), dimension(*), intent(in) | duf, | ||
| real(sp), dimension(*), intent(in) | du2, | ||
| integer(ilp), dimension(*), intent(in) | ipiv, | ||
| real(sp), dimension(ldb,*), intent(in) | b, | ||
| integer(ilp), intent(in) | ldb, | ||
| real(sp), dimension(ldx,*), intent(inout) | x, | ||
| integer(ilp), intent(in) | ldx, | ||
| real(sp), dimension(*), intent(out) | ferr, | ||
| real(sp), dimension(*), intent(out) | berr, | ||
| real(sp), dimension(*), intent(out) | work, | ||
| integer(ilp), dimension(*), intent(out) | iwork, | ||
| integer(ilp), intent(out) | info | ||
| ) |
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◆ zgtrfs()
| pure subroutine la_lapack::gtrfs::zgtrfs | ( | character, intent(in) | trans, |
| integer(ilp), intent(in) | n, | ||
| integer(ilp), intent(in) | nrhs, | ||
| complex(dp), dimension(*), intent(in) | dl, | ||
| complex(dp), dimension(*), intent(in) | d, | ||
| complex(dp), dimension(*), intent(in) | du, | ||
| complex(dp), dimension(*), intent(in) | dlf, | ||
| complex(dp), dimension(*), intent(in) | df, | ||
| complex(dp), dimension( *), intent(in) | duf, | ||
| complex(dp), dimension(*), intent(in) | du2, | ||
| integer(ilp), dimension(*), intent(in) | ipiv, | ||
| complex(dp), dimension(ldb,*), intent(in) | b, | ||
| integer(ilp), intent(in) | ldb, | ||
| complex(dp), dimension(ldx,*), intent(inout) | x, | ||
| integer(ilp), intent(in) | ldx, | ||
| real(dp), dimension(*), intent(out) | ferr, | ||
| real(dp), dimension(*), intent(out) | berr, | ||
| complex(dp), dimension(*), intent(out) | work, | ||
| real(dp), dimension(*), intent(out) | rwork, | ||
| integer(ilp), intent(out) | info | ||
| ) |
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The documentation for this interface was generated from the following file:
