lapack_int LAPACKE_dormql	(	int	matrix_layout,
		char	side,
		char	trans,
		lapack_int	m,
		lapack_int	n,
		lapack_int	k,
		const double *	a,
		lapack_int	lda,
		const double *	tau,
		double *	c,
		lapack_int	ldc
	)

Definition at line 36 of file lapacke_dormql.c.

{
    lapack_int info = 0;
    lapack_int lwork = -1;
    double* work = NULL;
    double work_query;
    lapack_int r;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dormql", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    r = LAPACKE_lsame( side, 'l' ) ? m : n;
    if( LAPACKE_dge_nancheck( matrix_layout, r, k, a, lda ) ) {
        return -7;
    }
    if( LAPACKE_dge_nancheck( matrix_layout, m, n, c, ldc ) ) {
        return -10;
    }
    if( LAPACKE_d_nancheck( k, tau, 1 ) ) {
        return -9;
    }
#endif
    /* Query optimal working array(s) size */
    info = LAPACKE_dormql_work( matrix_layout, side, trans, m, n, k, a, lda, tau,
                                c, ldc, &work_query, lwork );
    if( info != 0 ) {
        goto exit_level_0;
    }
    lwork = (lapack_int)work_query;
    /* Allocate memory for work arrays */
    work = (double*)LAPACKE_malloc( sizeof(double) * lwork );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_dormql_work( matrix_layout, side, trans, m, n, k, a, lda, tau,
                                c, ldc, work, lwork );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dormql", info );
    }
    return info;
}

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