Remove compile warnings.

src/nnue/evaluate_nnue_learner.cpp

@@ -113,8 +113,13 @@ void SetOptions(const std::string& options) {
 void RestoreParameters(const std::string& dir_name) {
   const std::string file_name = Path::Combine(dir_name, NNUE::savedfileName);
   std::ifstream stream(file_name, std::ios::binary);
-  bool result = ReadParameters(stream);
+#ifndef NDEBUG
+  bool result =
+#endif
+  ReadParameters(stream);
+#ifndef NDEBUG
   assert(result);
+#endif
 
   SendMessages({{"reset"}});
 }
@@ -216,8 +221,13 @@ void save_eval(std::string dir_name) {
 
   const std::string file_name = Path::Combine(eval_dir, NNUE::savedfileName);
   std::ofstream stream(file_name, std::ios::binary);
-  const bool result = NNUE::WriteParameters(stream);
+#ifndef NDEBUG
+  const bool result =
+#endif
+  NNUE::WriteParameters(stream);
+#ifndef NDEBUG
   assert(result);
+#endif
 
   std::cout << "save_eval() finished. folder = " << eval_dir << std::endl;
 }

src/nnue/trainer/trainer.h

@@ -70,8 +70,8 @@ struct Example {
 
 // Message used for setting hyperparameters
 struct Message {
-  Message(const std::string& name, const std::string& value = ""):
-      name(name), value(value), num_peekers(0), num_receivers(0) {}
+  Message(const std::string& message_name, const std::string& message_value = ""):
+      name(message_name), value(message_value), num_peekers(0), num_receivers(0) {}
   const std::string name;
   const std::string value;
   std::uint32_t num_peekers;

src/nnue/trainer/trainer_input_slice.h

@@ -206,7 +206,7 @@ class Trainer<Layers::InputSlice<OutputDimensions, Offset>> {
       const IndexType input_offset = kInputDimensions * b;
       const IndexType output_offset = kOutputDimensions * b;
       for (IndexType i = 0; i < kInputDimensions; ++i) {
-        if (i < Offset || i >= Offset + kOutputDimensions) {
+        if ((int)i < (int)Offset || i >= Offset + kOutputDimensions) {
           gradients_[input_offset + i] = static_cast<LearnFloatType>(0.0);
         } else {
           gradients_[input_offset + i] = gradients[output_offset + i - Offset];