lapack_int LAPACKE_zpbstf_work	(	int	matrix_layout,
		char	uplo,
		lapack_int	n,
		lapack_int	kb,
		lapack_complex_double *	bb,
		lapack_int	ldbb
	)

Definition at line 36 of file lapacke_zpbstf_work.c.

{
    lapack_int info = 0;
    if( matrix_layout == LAPACK_COL_MAJOR ) {
        /* Call LAPACK function and adjust info */
        LAPACK_zpbstf( &uplo, &n, &kb, bb, &ldbb, &info );
        if( info < 0 ) {
            info = info - 1;
        }
    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
        lapack_int ldbb_t = MAX(1,kb+1);
        lapack_complex_double* bb_t = NULL;
        /* Check leading dimension(s) */
        if( ldbb < n ) {
            info = -6;
            LAPACKE_xerbla( "LAPACKE_zpbstf_work", info );
            return info;
        }
        /* Allocate memory for temporary array(s) */
        bb_t = (lapack_complex_double*)
            LAPACKE_malloc( sizeof(lapack_complex_double) * ldbb_t * MAX(1,n) );
        if( bb_t == NULL ) {
            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
            goto exit_level_0;
        }
        /* Transpose input matrices */
        LAPACKE_zpb_trans( matrix_layout, uplo, n, kb, bb, ldbb, bb_t, ldbb_t );
        /* Call LAPACK function and adjust info */
        LAPACK_zpbstf( &uplo, &n, &kb, bb_t, &ldbb_t, &info );
        if( info < 0 ) {
            info = info - 1;
        }
        /* Transpose output matrices */
        LAPACKE_zpb_trans( LAPACK_COL_MAJOR, uplo, n, kb, bb_t, ldbb_t, bb,
                           ldbb );
        /* Release memory and exit */
        LAPACKE_free( bb_t );
exit_level_0:
        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
            LAPACKE_xerbla( "LAPACKE_zpbstf_work", info );
        }
    } else {
        info = -1;
        LAPACKE_xerbla( "LAPACKE_zpbstf_work", info );
    }
    return info;
}

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