a new class XOptimizer and formatting issues fixes

source/train/XLeader.cpp

 /*
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research

source/train/XLeader.h

 /*
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research

source/train/XModel.cpp

 /*
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research

source/train/XModel.h

 /*
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research

source/train/XNetTemplate.cpp

 /*
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research

source/train/XNetTemplate.h

 /*
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research

source/train/XOptimizer.cpp

+/*
+* NiuTrans.Tensor - an open-source tensor library
+* Copyright (C) 2016-2021
+* Natural Language Processing Lab, Northeastern University
+* and
+* NiuTrans Research
+* All rights reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+/*
+* This class define the template of the update rule in gradient based methods
+*
+* $Created by: XIAO Tong (xiaotong@mail.neu.edu.cn) 2021-03-01
+* March comes but there was a snow last night.
+*/
+
+#include "XOptimizer.h"
+
+namespace nts { // namespace nts(NiuTrans.Tensor)
+
+}

source/train/XOptimizer.h

+/*
+* NiuTrans.Tensor - an open-source tensor library
+* Copyright (C) 2016-2021
+* Natural Language Processing Lab, Northeastern University
+* and
+* NiuTrans Research
+* All rights reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+/*
+* This class define the template of the update rule in gradient based methods
+*
+* $Created by: XIAO Tong (xiaotong@mail.neu.edu.cn) 2021-03-01
+* March comes but there was a snow last night.
+*/
+
+#ifndef __XOPTIMIZER_H__
+#define __XOPTIMIZER_H__
+
+
+namespace nts { // namespace nts(NiuTrans.Tensor)
+
+class XOptimizer
+{
+};
+
+}
+
+#endif
\ No newline at end of file

source/train/XTrainer.cpp

 /* 
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research

source/train/XTrainer.h

 /* 
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research

source/train/XWorker.cpp

 /*
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research

source/train/XWorker.h

 /*
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research

source/train/XWorkerJob.cpp

 /*
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research
@@ -80,3 +80,4 @@ bool XWorkerJob::AddJobNeuralNet(void * func, void * net, XList * inputs, XList
 }
 
 }  /* end of the nts (NiuTrans.Tensor) namespace */
+

source/train/XWorkerJob.h

 /*
 * NiuTrans.Tensor - an open-source tensor library
-* Copyright (C) 2021
+* Copyright (C) 2016-2021
 * Natural Language Processing Lab, Northeastern University
 * and
 * NiuTrans Research