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int PLASMA_dgeqrf_Tile |
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PLASMA_desc * |
A, |
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PLASMA_desc * |
T | |
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) |
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PLASMA_dgeqrf_Tile - Computes the tile QR factorization of a matrix. Tile equivalent of PLASMA_dgeqrf(). Operates on matrices stored by tiles. All matrices are passed through descriptors. All dimensions are taken from the descriptors.
- Parameters:
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[in,out] | A | On entry, the M-by-N matrix A. On exit, the elements on and above the diagonal of the array contain the min(M,N)-by-N upper trapezoidal matrix R (R is upper triangular if M >= N); the elements below the diagonal represent the unitary matrix Q as a product of elementary reflectors stored by tiles. |
[out] | T | On exit, auxiliary factorization data, required by PLASMA_dgeqrs to solve the system of equations. |
- Returns:
- Return values:
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| PLASMA_SUCCESS | successful exit |
- See also:
- PLASMA_dgeqrf
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PLASMA_dgeqrf_Tile_Async
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PLASMA_cgeqrf_Tile
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PLASMA_dgeqrf_Tile
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PLASMA_sgeqrf_Tile
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PLASMA_dgeqrs_Tile
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