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| subroutine | ltdlbv (m, mah1, a, v) |
| | Like udlbv, except assuming a is the ldlt decomposition of a SYMMETRIC banded matrix, with only the non-upper part provided (to avoid redundancy) More...
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| subroutine | dltdlbv (m, mah1, a, v) |
| | Like udlbv, except assuming a is the ltdl decomposition of a SYMMETRIC banded matrix, with only the non-upper part provided (to avoid redundancy) More...
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| |
Definition at line 68 of file pmat2.f90.
◆ ltdlbv()
| subroutine pmat2::ltdlbv::ltdlbv |
( |
integer(spi), intent(in) |
m, |
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integer(spi), intent(in) |
mah1, |
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real(sp), dimension(m,-mah1:0), intent(in) |
a, |
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real(sp), dimension(m), intent(inout) |
v |
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) |
| |
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private |
Like udlbv, except assuming a is the ldlt decomposition of a SYMMETRIC banded matrix, with only the non-upper part provided (to avoid redundancy)
- Parameters
-
| [in] | m | the number of rows assumed for A and for V |
| [in] | mah1 | the left half-bandwidth of fortran array A |
| [in] | a | encodes the L*D*L^T factorization of the linear-system matrix, as supplied by subroutine LDLTB |
| [in,out] | v | input as right-hand-side vector, output as solution vector |
- Author
- R. J. Purser, Tsukasa Fujita (JMA)
- Date
- 1999
Definition at line 950 of file pmat2.f90.
◆ dltdlbv()
| subroutine pmat2::ltdlbv::dltdlbv |
( |
integer(spi), intent(in) |
m, |
|
|
integer(spi), intent(in) |
mah1, |
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|
real(dp), dimension(m,-mah1:0), intent(in) |
a, |
|
|
real(dp), dimension(m), intent(inout) |
v |
|
) |
| |
|
private |
Like udlbv, except assuming a is the ltdl decomposition of a SYMMETRIC banded matrix, with only the non-upper part provided (to avoid redundancy)
- Parameters
-
| [in] | m | the number of rows assumed for A and for V |
| [in] | mah1 | the left half-bandwidth of fortran array A |
| [in,out] | a | encodes the (L)*(D**-1)*(U) factorization of the linear-system matrix, as supplied by subroutine LDUB |
| [in,out] | v | input as right-hand-side vector, output as solution vector |
- Author
- R. J. Purser, Tsukasa Fujita (JMA)
- Date
- 1999
Definition at line 980 of file pmat2.f90.
The documentation for this interface was generated from the following file:
- /scratch1/NCEPDEV/da/George.Gayno/ufs_utils.git/UFS_UTILS.upstream/sorc/grid_tools.fd/regional_esg_grid.fd/pmat2.f90
1.8.14