On Feb 6, 2008 10:42 AM, Eric Blossom <[EMAIL PROTECTED]> wrote:
> The history mechanism does work as it was designed to do. For a
> history setting of N, it effectively preloads the first buffer with
> N-1 zeros.
So just to be clear, if we have 2 calls to work() where we set the
history to 5 taps for a FIR filter. The first input:
[ 0 0 0 0 1 2 3 4 5 ]
Will have 5 input items and produce 5 output items. If we then call
work() again with 5 more input items, are we looking at:
[ 2 3 4 5 6 7 8 9 10 ]
- or -
[ 0 0 0 0 6 7 8 9 10 ]
In essence, who's job is it to maintain state in the filter?
Brian
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