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-rw-r--r--src/ipa/libipa/histogram.cpp9
1 files changed, 9 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
*/