1 files changed, 24 insertions, 0 deletions
diff --git a/training/dpmert/error_surface.h b/training/dpmert/error_surface.h
new file mode 100644
index 00000000..bb65847b
--- /dev/null
+++ b/training/dpmert/error_surface.h
@@ -0,0 +1,24 @@
+#ifndef _ERROR_SURFACE_H_
+#define _ERROR_SURFACE_H_
+
+#include <vector>
+#include <string>
+
+#include "ns.h"
+
+class Score;
+
+struct ErrorSegment {
+  double x;
+  SufficientStats delta;
+  ErrorSegment() : x(0), delta() {}
+};
+
+class ErrorSurface : public std::vector<ErrorSegment> {
+ public:
+  ~ErrorSurface();
+  void Serialize(std::string* out) const;
+  void Deserialize(const std::string& in);
+};
+
+#endif