src/neuralnet/output_layer/char_rnn.cc

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#include <algorithm>
#include <iostream>
#include <fstream>
#include "singa/neuralnet/output_layer.h"

namespace singa {

void CharRNNOutputLayer::Setup(const LayerProto& proto,
    const vector<Layer*>& srclayers) {
  CHECK_EQ(srclayers.size(), 1);
  OutputLayer::Setup(proto, srclayers);
  std::ifstream fin;
  const string path = proto.char_rnn_conf().vocab_path();
  fin.open(path);
  CHECK(fin.is_open()) << "Can't open vocab_path = " << path;
  std::stringstream stream;
  stream << fin.rdbuf();
  vocab_ = stream.str();
  fin.close();
}

void CharRNNOutputLayer::ComputeFeature(int flag,
    const vector<Layer*>& srclayers) {
  const float* dptr =  srclayers[0]->data(this).cpu_data();
  for (int i = 0; i < srclayers[0]->data(this).shape(0); i++) {
    std::cout<<vocab_[static_cast<int>(dptr[i])];
  }
}

}  // namespace singa;