histogram: add subtract operation for sparse histograms #115
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Allow a histogram to be subtracted from another, as long as it is a proper subset of the other histogram. This is a diff operation and allows delta histograms to be extracted from free-running ones.
brayniac
approved these changes
Jun 3, 2024
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Allow a histogram to be subtracted from another, as long as it
is a proper subset of the other histogram. This is a diff operation
and allows delta histograms to be extracted from free-running ones.