[PATCH 01/10] ipa: libipa: Allow creation of empty Histogram

[Jacopo Mondi]

Hi Dan

On Fri, Mar 22, 2024 at 01:14:42PM +0000, Daniel Scally wrote:
> For convenience's sake allow the creation of empty Histograms so
> they can be embedded within other Classes and filled out with
> data at some later point in time.
>

How are you going to add data to the Histogram since they seem to be
expected to be passed in at construction time ?

> Signed-off-by: Daniel Scally <dan.scally at ideasonboard.com>
> ---
>  src/ipa/libipa/histogram.h | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/src/ipa/libipa/histogram.h b/src/ipa/libipa/histogram.h
> index 05bb4b80..db13c155 100644
> --- a/src/ipa/libipa/histogram.h
> +++ b/src/ipa/libipa/histogram.h
> @@ -22,6 +22,7 @@ namespace ipa {
>  class Histogram
>  {
>  public:
> +	Histogram() { cumulative_.push_back(0); };
>  	Histogram(Span<const uint32_t> data);
>  	size_t bins() const { return cumulative_.size() - 1; }
>  	uint64_t total() const { return cumulative_[cumulative_.size() - 1]; }
> --
> 2.34.1
>