The Fortran 77 sparse linear algebraic equation subroutines provide
solutions to linear systems of equations for a real general sparse
matrix. The sparse utility subroutines provided in Parallel ESSL must
be used in conjunction with the sparse linear algebraic equation
subroutines.
Table 57. List of The Fortran 77 Sparse Linear Algebraic Equation Subroutines
| Descriptive Name | Long-Precision Subroutine | Page |
|---|---|---|
| Initializes an Array Descriptor for a General Sparse Matrix | PADINIT | PADINIT--Initializes an Array Descriptor for a General Sparse Matrix |
| Initializes a General Sparse Matrix | PDSPINIT | PDSPINIT--Initializes a General Sparse Matrix |
| Inserts Local Data into a General Sparse Matrix | PDSPINS | PDSPINS--Inserts Local Data into a General Sparse Matrix |
| Inserts Local Data into a Dense Vector | PDGEINS | PDGEINS--Inserts Local Data into a Dense Vector |
| Assembles a General Sparse Matrix | PDSPASB | PDSPASB--Assembles a General Sparse Matrix |
| Assembles a Dense Vector | PDGEASB | PDGEASB--Assembles a Dense Vector |
| Preconditioner for a General Sparse Matrix | PDSPGPR | PDSPGPR--Preconditioner for a General Sparse Matrix |
| Iterative Linear System Solver for a General Sparse Matrix | PDSPGIS | PDSPGIS--Iterative Linear System Solver for a General Sparse Matrix |