diff options
| -rw-r--r-- | src/ipa/libipa/histogram.cpp | 9 | ||||
| -rw-r--r-- | src/ipa/libipa/histogram.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/ipa/libipa/histogram.cpp b/src/ipa/libipa/histogram.cpp index 6b5cde8e..c1aac59b 100644 --- a/src/ipa/libipa/histogram.cpp +++ b/src/ipa/libipa/histogram.cpp @@ -29,6 +29,15 @@ namespace ipa { */ /** + * \fn Histogram::Histogram() + * \brief Construct an empty Histogram + * + * This empty constructor exists largely to allow Histograms to be embedded in + * other classes which may be created before the contents of the Histogram are + * known. + */ + +/** * \brief Create a cumulative histogram * \param[in] data A pre-sorted histogram to be passed */ diff --git a/src/ipa/libipa/histogram.h b/src/ipa/libipa/histogram.h index 05bb4b80..54bb2a19 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]; } |