Defining opset2 (#4370)

* Defining opset2

* Added opset2
Co-authored-by: Scott Cyphers <diyessi@users.noreply.github.com>

src/ngraph/opsets/opset.cpp

@@ -64,3 +64,20 @@ const ngraph::OpSet& ngraph::get_opset1()
     }
     return opset;
 }
+
+const ngraph::OpSet& ngraph::get_opset2()
+{
+    static std::mutex init_mutex;
+    static OpSet opset;
+    if (opset.size() == 0)
+    {
+        std::lock_guard<std::mutex> guard(init_mutex);
+        if (opset.size() == 0)
+        {
+#define NGRAPH_OP(NAME, NAMESPACE) opset.insert<NAMESPACE::NAME>();
+#include "ngraph/opsets/opset2_tbl.hpp"
+#undef NGRAPH_OP
+        }
+    }
+    return opset;
+}

src/ngraph/opsets/opset.hpp

@@ -101,4 +101,5 @@ namespace ngraph
 
     const NGRAPH_API OpSet& get_opset0();
     const NGRAPH_API OpSet& get_opset1();
+    const NGRAPH_API OpSet& get_opset2();
 }
\ No newline at end of file

src/ngraph/opsets/opset2.hpp

+//*****************************************************************************
+// Copyright 2017-2020 Intel Corporation
+//
+// 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.
+//*****************************************************************************
+
+#pragma once
+
+#include "ngraph/ops.hpp"
+#include "ngraph/opsets/opset1.hpp"
+
+namespace ngraph
+{
+    namespace opset2
+    {
+#define NGRAPH_OP(a, b) using b::a;
+#include "ngraph/opsets/opset2_tbl.hpp"
+#undef NGRAPH_OP
+    }
+}

src/ngraph/opsets/opset2_tbl.hpp

+//*****************************************************************************
+// Copyright 2017-2020 Intel Corporation
+//
+// 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 collection contains one entry for each new op on top of the opset1.
+
+#ifndef NGRAPH_OP
+#warning "NGRAPH_OP not defined"
+#define NGRAPH_OP(x, y)
+#endif
+
+#include "opset1_tbl.hpp"
+NGRAPH_OP(Gelu, ngraph::op::v0)