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#ifndef LM_BUILDER_INTERPOLATE__
#define LM_BUILDER_INTERPOLATE__
#include <stdint.h>
#include "lm/builder/multi_stream.hh"
namespace lm { namespace builder {
/* Interpolate step.
* Input: suffix sorted n-grams with (p_uninterpolated, gamma) from
* InitialProbabilities.
* Output: suffix sorted n-grams with complete probability
*/
class Interpolate {
public:
explicit Interpolate(uint64_t unigram_count, const ChainPositions &backoffs);
void Run(const ChainPositions &positions);
private:
float uniform_prob_;
ChainPositions backoffs_;
};
}} // namespaces
#endif // LM_BUILDER_INTERPOLATE__
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