1 files changed, 172 insertions, 0 deletions
diff --git a/reference_model/src/ops/data_nodes.cc b/reference_model/src/ops/data_nodes.cc
new file mode 100644
index 0000000..2ee4935
--- /dev/null
+++ b/reference_model/src/ops/data_nodes.cc
@@ -0,0 +1,172 @@
+
+// Copyright (c) 2020, ARM Limited.
+//
+//    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.
+
+#include "data_nodes.h"
+
+using namespace TosaReference;
+using namespace Eigen;
+using namespace tosa;
+
+OpConst::OpConst(uint64_t id_)
+    : GraphNode(Op_CONST, id_)
+{
+    setRequiredOperands(0, 1);
+}
+
+OpConst::~OpConst()
+{}
+
+int OpConst::checkTensorAttributes()
+{
+    if (validateRequiredOperands())
+        return 1;
+
+    return 0;
+}
+
+int OpConst::eval()
+{
+    // Evaluation is trivial for constants
+    return GraphNode::eval();
+}
+
+OpPlaceholder::OpPlaceholder(uint64_t id_)
+    : GraphNode(Op_PLACEHOLDER, id_)
+{
+    setRequiredOperands(0, 1);
+}
+
+OpPlaceholder::~OpPlaceholder()
+{}
+
+int OpPlaceholder::checkTensorAttributes()
+{
+    if (validateRequiredOperands())
+        return 1;
+
+    return 0;
+}
+
+int OpPlaceholder::eval()
+{
+    // Evaluation is trivial for placeholders
+    return GraphNode::eval();
+}
+
+template <int Rank, DType Dtype>
+OpIdentity<Rank, Dtype>::OpIdentity(TosaAttributeBase* attribute_, TosaQuantInfoBase* qinfo_, uint64_t id_)
+    : GraphNode(Op_IDENTITY, id_)
+{
+    setRequiredOperands(1, 1);
+    setRequiredRank(0, 6);
+}
+
+template <int Rank, DType Dtype>
+OpIdentity<Rank, Dtype>::~OpIdentity()
+{}
+
+template <int Rank, DType Dtype>
+int OpIdentity<Rank, Dtype>::checkTensorAttributes()
+{
+
+    if (inputs.size() != outputs.size())
+    {
+        printNodeValidationError("Input and output tensor list lengths are not equal");
+        return 1;
+    }
+
+    in  = dynamic_cast<TosaReference::TensorTemplate<TIn>*>(inputs[0]);
+    out = dynamic_cast<TosaReference::TensorTemplate<TOut>*>(outputs[0]);
+
+    if (in->matchRankTypeShape(*out))
+    {
+        printNodeValidationError("Input and output tensor rank, type, or shape do not match");
+        return 1;
+    }
+
+    return 0;
+}
+
+template <int Rank, DType Dtype>
+int OpIdentity<Rank, Dtype>::eval()
+{
+    out->getTensor() = in->getTensor();
+
+    return GraphNode::eval();
+}
+
+template <int Rank, DType Dtype>
+OpIdentityN<Rank, Dtype>::OpIdentityN(TosaAttributeBase* attribute_, TosaQuantInfoBase* qinfo_, uint64_t id_)
+    : GraphNode(Op_IDENTITYN, id_)
+{
+    setRequiredRank(0, 6);
+}
+
+template <int Rank, DType Dtype>
+OpIdentityN<Rank, Dtype>::~OpIdentityN()
+{}
+
+template <int Rank, DType Dtype>
+int OpIdentityN<Rank, Dtype>::checkTensorAttributes()
+{
+
+    if (inputs.size() != outputs.size())
+    {
+        printNodeValidationError("Input and output tensor list lengths are not equal");
+        return 1;
+    }
+
+    for (size_t i = 0; i < inputs.size(); i++)
+    {
+        ins.push_back(dynamic_cast<TosaReference::TensorTemplate<TIn>*>(inputs[i]));
+        outs.push_back(dynamic_cast<TosaReference::TensorTemplate<TOut>*>(outputs[i]));
+
+        if (ins[i]->matchRankTypeShape(*outs[i]))
+        {
+            printNodeValidationError("Input and output tensor rank, type, or shape do not match");
+            return 1;
+        }
+    }
+
+    return 0;
+}
+
+template <int Rank, DType Dtype>
+int OpIdentityN<Rank, Dtype>::eval()
+{
+    for (size_t i = 0; i < ins.size(); i++)
+    {
+        outs[i]->getTensor() = ins[i]->getTensor();
+    }
+
+    return GraphNode::eval();
+}
+
+// template explicit instantiation
+// note OpConst and OpPlaceholder are not templated
+
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentity, FLOAT);
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentity, AINT8);
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentity, INT8);
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentity, INT16);
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentity, INT32);
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentity, BOOL);
+
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentityN, FLOAT);
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentityN, AINT8);
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentityN, INT8);
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentityN, INT16);
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentityN, INT32);
+DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpIdentityN, BOOL);