PLASMA: PLASMA_dsgesv_Tile

PLASMA 2.4.6

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PLASMA_dgebrd_Tile
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PLASMA_dposv_Tile
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PLASMA_dsgesv_Tile
PLASMA_dsposv_Tile
PLASMA_dsungesv_Tile
PLASMA_dsyev_Tile
PLASMA_dsyevd_Tile
PLASMA_dsygst_Tile
PLASMA_dsygv_Tile
PLASMA_dsygvd_Tile
PLASMA_dsymm_Tile
PLASMA_dsyr2k_Tile
PLASMA_dsyrk_Tile
PLASMA_dsytrd_Tile
PLASMA_dtrmm_Tile
PLASMA_dtrsm_Tile
PLASMA_dtrsmpl_Tile
PLASMA_dtrsmrv_Tile
PLASMA_dtrtri_Tile
int PLASMA_dsgesv_Tile | ( | PLASMA_desc * | A,
|  | int * | IPIV,
|  | PLASMA_desc * | B,
|  | PLASMA_desc * | X,
|  | int * | ITER
| ) |  |
  PLASMA_dsgesv_Tile - Solves a system of linear equations using the tile LU factorization and mixed-precision iterative refinement. Tile equivalent of PLASMA_dsgesv(). Operates on matrices stored by tiles. All matrices are passed through descriptors. All dimensions are taken from the descriptors. Parameters
  [in,out] | A | On entry, the N-by-N coefficient matrix A. If the iterative refinement converged, A is not modified; otherwise, it fell back to double precision solution, and then A contains the tile L and U factors from the factorization (not equivalent to LAPACK).
  [out] | IPIV | On exit, the pivot indices that define the permutations (not equivalent to LAPACK).
  [in] | B | On entry, the N-by-NRHS matrix of right hand side matrix B.
  [out] | X | On exit, if return value = 0, the N-by-NRHS solution matrix X.
  [out] | ITER | The number of the current iteration in the iterative refinement process
  Returns Return values
  PLASMA_SUCCESS | successful exit
  >0 | if i, U(i,i) is exactly zero. The factorization has been completed, but the factor U is exactly singular, so the solution could not be computed.
See Also PLASMA_dsgesv PLASMA_dsgesv_Tile_Async PLASMA_dsgesv_Tile PLASMA_dgesv_Tile