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Clarify _buffer_index behavior #22

Merged
merged 2 commits into from
Mar 27, 2024
Merged

Clarify _buffer_index behavior #22

merged 2 commits into from
Mar 27, 2024

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jeremiahpslewis
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This pull request clarifies the behavior of the _buffer_index function in the CircularArrayBuffer module. It adds a new function wrap_index to handle index wrapping when it exceeds the buffer size. The changes also include updated comments.

@jeremiahpslewis jeremiahpslewis self-assigned this Mar 26, 2024
"""
_buffer_frame(cb::CircularArrayBuffer, i::Int)

Return the index of the `i`-th frame in the buffer.
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Suggested change
Return the index of the `i`-th frame in the buffer.
Here `i` is assumed to be the last dimension of `cb`. Each `frame` means a slice of the last dimension. Since we use *circular frames* (the `data` buffer) underlying, this function transforms the logical `i`-th frame to the real frame of the internal buffer.

else
ind
@info "oops! idx $(idx) > 2n $(2n)"
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Suggested change
@info "oops! idx $(idx) > 2n $(2n)"
@warn "oops! idx $(idx) > 2n $(2n)"

"""
_buffer_index(cb::CircularArrayBuffer, i::Int)

Return the index of the `i`-th element in the buffer.
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Suggested change
Return the index of the `i`-th element in the buffer.
Return the index of the `i`-th element in the buffer. Note the `i` is assumed to be the linear indexing of `cb`.

@jeremiahpslewis jeremiahpslewis merged commit 67b944b into main Mar 27, 2024
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2 participants