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authorJean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>2022-02-24 12:33:45 +0100
committerJean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>2022-03-28 12:31:37 +0200
commit88c69f88089ba7f9ec8c25aa9f084e1143ad9f29 (patch)
treeadc7cc1234f3c68fddd725f9c91ad7dc6ba1e956
parent13c1e48e8ec6bce55585f042c695e47f2873c58c (diff)
ipa: libipa: Histogram: Constify the constructor span
The Histogram constructor does not modify the data. Pass it a Span<const uint32_t> instead of a Span<uint32_t>. Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
-rw-r--r--src/ipa/libipa/histogram.cpp2
-rw-r--r--src/ipa/libipa/histogram.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/ipa/libipa/histogram.cpp b/src/ipa/libipa/histogram.cpp
index 4d94571f..d8ad1c89 100644
--- a/src/ipa/libipa/histogram.cpp
+++ b/src/ipa/libipa/histogram.cpp
@@ -32,7 +32,7 @@ namespace ipa {
* \brief Create a cumulative histogram
* \param[in] data A pre-sorted histogram to be passed
*/
-Histogram::Histogram(Span<uint32_t> data)
+Histogram::Histogram(Span<const uint32_t> data)
{
cumulative_.reserve(data.size());
cumulative_.push_back(0);
diff --git a/src/ipa/libipa/histogram.h b/src/ipa/libipa/histogram.h
index c40a366b..164d4603 100644
--- a/src/ipa/libipa/histogram.h
+++ b/src/ipa/libipa/histogram.h
@@ -22,7 +22,7 @@ namespace ipa {
class Histogram
{
public:
- Histogram(Span<uint32_t> data);
+ Histogram(Span<const uint32_t> data);
size_t bins() const { return cumulative_.size() - 1; }
uint64_t total() const { return cumulative_[cumulative_.size() - 1]; }
uint64_t cumulativeFrequency(double bin) const;