1 files changed, 29 insertions, 0 deletions
diff --git a/dtrain/hgsampler.h b/dtrain/hgsampler.h
new file mode 100644
index 00000000..b840c07f
--- /dev/null
+++ b/dtrain/hgsampler.h
@@ -0,0 +1,29 @@
+#ifndef _DTRAIN_HGSAMPLER_H_
+#define _DTRAIN_HGSAMPLER_H_
+
+
+#include <vector>
+#include "sparse_vector.h"
+#include "sampler.h"
+#include "wordid.h"
+
+class Hypergraph;
+
+struct HypergraphSampler {
+
+  struct Hypothesis {
+    std::vector<WordID> words;
+    SparseVector<double> fmap;
+    prob_t model_score;
+  };
+
+  static void
+  sample_hypotheses(const Hypergraph& hg,
+                    unsigned n,
+                    MT19937* rng,
+                    std::vector<Hypothesis>* hypos);
+};
+
+
+#endif
+