lapack_int LAPACKE_dtpmqrt_work	(	int	matrix_layout,
		char	side,
		char	trans,
		lapack_int	m,
		lapack_int	n,
		lapack_int	k,
		lapack_int	l,
		lapack_int	nb,
		const double *	v,
		lapack_int	ldv,
		const double *	t,
		lapack_int	ldt,
		double *	a,
		lapack_int	lda,
		double *	b,
		lapack_int	ldb,
		double *	work
	)

Definition at line 36 of file lapacke_dtpmqrt_work.c.

{
    lapack_int info = 0;
    if( matrix_layout == LAPACK_COL_MAJOR ) {
        /* Call LAPACK function and adjust info */
        LAPACK_dtpmqrt( &side, &trans, &m, &n, &k, &l, &nb, v, &ldv, t, &ldt, a,
                        &lda, b, &ldb, work, &info );
        if( info < 0 ) {
            info = info - 1;
        }
    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
        lapack_int lda_t = MAX(1,k);
        lapack_int ldb_t = MAX(1,m);
        lapack_int ldt_t = MAX(1,ldt);
        lapack_int ldv_t = MAX(1,ldv);
        double* v_t = NULL;
        double* t_t = NULL;
        double* a_t = NULL;
        double* b_t = NULL;
        /* Check leading dimension(s) */
        if( lda < m ) {
            info = -14;
            LAPACKE_xerbla( "LAPACKE_dtpmqrt_work", info );
            return info;
        }
        if( ldb < n ) {
            info = -16;
            LAPACKE_xerbla( "LAPACKE_dtpmqrt_work", info );
            return info;
        }
        if( ldt < nb ) {
            info = -12;
            LAPACKE_xerbla( "LAPACKE_dtpmqrt_work", info );
            return info;
        }
        if( ldv < k ) {
            info = -10;
            LAPACKE_xerbla( "LAPACKE_dtpmqrt_work", info );
            return info;
        }
        /* Allocate memory for temporary array(s) */
        v_t = (double*)LAPACKE_malloc( sizeof(double) * ldv_t * MAX(1,k) );
        if( v_t == NULL ) {
            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
            goto exit_level_0;
        }
        t_t = (double*)LAPACKE_malloc( sizeof(double) * ldt_t * MAX(1,nb) );
        if( t_t == NULL ) {
            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
            goto exit_level_1;
        }
        a_t = (double*)LAPACKE_malloc( sizeof(double) * lda_t * MAX(1,m) );
        if( a_t == NULL ) {
            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
            goto exit_level_2;
        }
        b_t = (double*)LAPACKE_malloc( sizeof(double) * ldb_t * MAX(1,n) );
        if( b_t == NULL ) {
            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
            goto exit_level_3;
        }
        /* Transpose input matrices */
        LAPACKE_dge_trans( matrix_layout, ldv, k, v, ldv, v_t, ldv_t );
        LAPACKE_dge_trans( matrix_layout, ldt, nb, t, ldt, t_t, ldt_t );
        LAPACKE_dge_trans( matrix_layout, k, m, a, lda, a_t, lda_t );
        LAPACKE_dge_trans( matrix_layout, m, n, b, ldb, b_t, ldb_t );
        /* Call LAPACK function and adjust info */
        LAPACK_dtpmqrt( &side, &trans, &m, &n, &k, &l, &nb, v_t, &ldv_t, t_t,
                        &ldt_t, a_t, &lda_t, b_t, &ldb_t, work, &info );
        if( info < 0 ) {
            info = info - 1;
        }
        /* Transpose output matrices */
        LAPACKE_dge_trans( LAPACK_COL_MAJOR, k, m, a_t, lda_t, a, lda );
        LAPACKE_dge_trans( LAPACK_COL_MAJOR, m, n, b_t, ldb_t, b, ldb );
        /* Release memory and exit */
        LAPACKE_free( b_t );
exit_level_3:
        LAPACKE_free( a_t );
exit_level_2:
        LAPACKE_free( t_t );
exit_level_1:
        LAPACKE_free( v_t );
exit_level_0:
        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
            LAPACKE_xerbla( "LAPACKE_dtpmqrt_work", info );
        }
    } else {
        info = -1;
        LAPACKE_xerbla( "LAPACKE_dtpmqrt_work", info );
    }
    return info;
}

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