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-rw-r--r--src/base/stats/output.hh2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/base/stats/output.hh b/src/base/stats/output.hh
index 26c4c5bbd..9cd33a5f9 100644
--- a/src/base/stats/output.hh
+++ b/src/base/stats/output.hh
@@ -43,6 +43,7 @@ class DistInfo;
class VectorDistInfo;
class Vector2dInfo;
class FormulaInfo;
+class SparseHistInfo; // Sparse histogram
struct Output
{
@@ -57,6 +58,7 @@ struct Output
virtual void visit(const VectorDistInfo &info) = 0;
virtual void visit(const Vector2dInfo &info) = 0;
virtual void visit(const FormulaInfo &info) = 0;
+ virtual void visit(const SparseHistInfo &info) = 0; // Sparse histogram
};
} // namespace Stats