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-rw-r--r--training/mpi_batch_optimize.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/training/mpi_batch_optimize.cc b/training/mpi_batch_optimize.cc
index 6432f4a2..2eff07e4 100644
--- a/training/mpi_batch_optimize.cc
+++ b/training/mpi_batch_optimize.cc
@@ -142,7 +142,7 @@ struct TrainingObserver : public DecoderObserver {
cerr << "DIFF. ERR! log_model_z < log_ref_z: " << cur_obj << " " << log_ref_z << endl;
exit(1);
}
- assert(!isnan(log_ref_z));
+ assert(!std::isnan(log_ref_z));
ref_exp -= cur_model_exp;
acc_grad -= ref_exp;
acc_obj += (cur_obj - log_ref_z);