get next block from buffer. Iterator is advanced only if block is retrieved or advance_iter.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(block_buffer_type), | intent(inout) | :: | buffer | |||
| integer, | intent(out) | :: | ndata | |||
| integer(kind=int_8), | intent(out), | DIMENSION(2) | :: | index | ||
| complex(kind=real_4), | intent(out), | optional, | DIMENSION(:, :) | :: | block | |
| logical, | intent(in), | optional | :: | advance_iter |