message: register fixed value dist
diff: @@ -22,6 +22,7 @@ DistributionPtr Params::GetDistributionFromType(const std::string& distribution_
  GET_DISTRIBUTION_IF_TYPE(UniformDistribution1D, distribution_type, distr_params)
  GET_DISTRIBUTION_IF_TYPE(NormalDistribution1D, distribution_type, distr_params)
  GET_DISTRIBUTION_IF_TYPE(MultivariateDistribution, distribution_type, distr_params)
  + GET_DISTRIBUTION_IF_TYPE(FixedValue, distribution_type, distr_params)
  LOG(ERROR) << "Unknown distribution type";
  throw;
  }
  