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| subroutine | cldum (a, ipiv, d) |
| | Perform L*D*U decomposition, with pivoting, of square matrix. More...
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| subroutine | cldumf (a, ipiv, d, ff) |
| | Perform l-d-u decomposition of square matrix a in place with pivoting. More...
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| subroutine | dldum (a, ipiv, d) |
| | Perform L*D*U decomposition, with pivoting, of square matrix. More...
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| subroutine | dldumf (a, ipiv, d, ff) |
| | Perform l-d-u decomposition of square matrix a in place with pivoting. More...
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| subroutine | sldum (a, ipiv, d) |
| | Perform L*D*U decomposition, with pivoting, of square matrix. More...
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| subroutine | sldumf (a, ipiv, d, ff) |
| | Perform l-d-u decomposition of square matrix a in place with pivoting. More...
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Definition at line 27 of file pmat.f90.
| subroutine pmat::ldum::cldum |
( |
complex(dpc), dimension(:,:), intent(inout) |
a, |
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integer(spi), dimension(:), intent(out) |
ipiv, |
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complex(dpc), intent(out) |
d |
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) |
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private |
Perform L*D*U decomposition, with pivoting, of square matrix.
Complex double precision version.
- Parameters
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| [in,out] | a | input square matrix, output L,D,U factors |
| [out] | d | determinant sign change indicator (+1 or -1) |
| [out] | ipiv | vector of pivots |
- Author
- R. J. Purser
Definition at line 508 of file pmat.f90.
| subroutine pmat::ldum::cldumf |
( |
complex(dpc), dimension(:,:), intent(inout) |
a, |
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integer(spi), dimension(:), intent(out) |
ipiv, |
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complex(dpc), intent(out) |
d, |
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logical, intent(out) |
ff |
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) |
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private |
Perform l-d-u decomposition of square matrix a in place with pivoting.
Complex double precision version.
- Parameters
-
| [in,out] | a | square matrix to be factorized |
| [out] | ipiv | vector encoding the pivoting sequence |
| [out] | d | indicator for possible sign change of determinant |
| [out] | ff,: | failure flag, set to .true. when determinant of a vanishes. |
- Author
- R. J. Purser
Definition at line 659 of file pmat.f90.
Referenced by pmat::cinvmtf(), pmat::cldum(), pmat::clinmmtf(), and pmat::clinmvtf().
| subroutine pmat::ldum::dldum |
( |
real(dp), dimension(:,:), intent(inout) |
a, |
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integer(spi), dimension(:), intent(out) |
ipiv, |
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real(dp), intent(out) |
d |
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) |
| |
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private |
Perform L*D*U decomposition, with pivoting, of square matrix.
Double precision version.
- Parameters
-
| [in,out] | a | input square matrix, output L,D,U factors |
| [out] | d | determinant sign change indicator (+1 or -1) |
| [out] | ipiv | vector of pivots |
- Author
- R. J. Purser
Definition at line 492 of file pmat.f90.
| subroutine pmat::ldum::dldumf |
( |
real(dp), dimension(:,:), intent(inout) |
a, |
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integer, dimension(:), intent(out) |
ipiv, |
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real(dp), intent(out) |
d, |
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logical(spi), intent(out) |
ff |
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) |
| |
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private |
Perform l-d-u decomposition of square matrix a in place with pivoting.
Double precision version.
- Parameters
-
| [in,out] | a | square matrix to be factorized |
| [out] | ipiv | vector encoding the pivoting sequence |
| [out] | d | indicator for possible sign change of determinant |
| [out] | ff,: | failure flag, set to .true. when determinant of a vanishes. |
- Author
- R. J. Purser
Definition at line 592 of file pmat.f90.
Referenced by pmat::dinvmtf(), pmat::dldum(), pmat::dlinmmtf(), and pmat::dlinmvtf().
| subroutine pmat::ldum::sldum |
( |
real(sp), dimension(:,:), intent(inout) |
a, |
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integer(spi), dimension(:), intent(out) |
ipiv, |
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real(sp), intent(out) |
d |
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) |
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private |
Perform L*D*U decomposition, with pivoting, of square matrix.
Single precision version.
- Parameters
-
| [in,out] | a | input square matrix, output L,D,U factors |
| [out] | d | determinant sign change indicator (+1 or -1) |
| [out] | ipiv | vector of pivots |
- Author
- R. J. Purser
Definition at line 476 of file pmat.f90.
| subroutine pmat::ldum::sldumf |
( |
real(sp), dimension(:,:), intent(inout) |
a, |
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integer(spi), dimension(:), intent(out) |
ipiv, |
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real(sp), intent(out) |
d, |
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logical, intent(out) |
ff |
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) |
| |
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private |
Perform l-d-u decomposition of square matrix a in place with pivoting.
Single precision version.
- Parameters
-
| [in,out] | a | square matrix to be factorized |
| [out] | ipiv | vector encoding the pivoting sequence |
| [out] | d | indicator for possible sign change of determinant |
| [out] | ff,: | failure flag, set to .true. when determinant of a vanishes. |
- Author
- R. J. Purser
Definition at line 525 of file pmat.f90.
Referenced by pmat::sinvmtf(), pmat::sldum(), pmat::slinmmtf(), and pmat::slinmvtf().
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/pmat.f90
1.8.5 
