1 files changed, 11 insertions, 0 deletions
diff --git a/extractor/features/sample_source_count.cc b/extractor/features/sample_source_count.cc
new file mode 100644
index 00000000..c8124cfb
--- /dev/null
+++ b/extractor/features/sample_source_count.cc
@@ -0,0 +1,11 @@
+#include "sample_source_count.h"
+
+#include <cmath>
+
+double SampleSourceCount::Score(const FeatureContext& context) const {
+  return log10(1 + context.sample_source_count);
+}
+
+string SampleSourceCount::GetName() const {
+  return "SampleCountF";
+}