PLASMA
2.8.0
PLASMA - Parallel Linear Algebra for Scalable Multi-core Architectures
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int PLASMA_cgetrf_tntpiv | ( | int | M, |
int | N, | ||
PLASMA_Complex32_t * | A, | ||
int | LDA, | ||
int * | IPIV | ||
) |
PLASMA_cgetrf_tntpiv - Computes an LU factorization of a general M-by-N matrix A using the tile LU algorithm with tournament pivoting based on LU decomposition at each round.
[in] | M | The number of rows of the matrix A. M >= 0. |
[in] | N | The number of columns of the matrix A. N >= 0. |
[in,out] | A | On entry, the M-by-N matrix to be factored. On exit, the tile factors L and U from the factorization. |
[in] | LDA | The leading dimension of the array A. LDA >= max(1,M). |
[out] | IPIV | The pivot indices that define the permutations. |
PLASMA_SUCCESS | successful exit |
<0 | if -i, the i-th argument had an illegal value |
>0 | if i, U(i,i) is exactly zero. The factorization has been completed, but the factor U is exactly singular, and division by zero will occur if it is used to solve a system of equations. |