[Add] Resize Operator unit-tests

Added test Resize operator

include/aidge/operator/Resize_old.hpp

+/********************************************************************************
+ * Copyright (c) 2023 CEA-List
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ ********************************************************************************/
+
+#ifndef AIDGE_CORE_OPERATOR_Resize_H_
+#define AIDGE_CORE_OPERATOR_Resize_H_
+
+#include <memory>
+#include <vector>
+
+#include "aidge/backend/OperatorImpl.hpp"
+#include "aidge/graph/Node.hpp"
+#include "aidge/operator/OperatorTensor.hpp"
+#include "aidge/operator/Producer.hpp"
+#include "aidge/utils/Registrar.hpp"
+#include "aidge/utils/StaticAttributes.hpp"
+#include "aidge/utils/Types.h"
+
+namespace Aidge {
+
+enum class ResizeAttr { NoROI, NoScales, NoSizes };
+
+class Resize_Op : public OperatorTensor,
+                  public Registrable<Resize_Op, std::string, std::shared_ptr<OperatorImpl>(const Resize_Op&)>,
+                  public StaticAttributes<ResizeAttr,
+                                          bool,
+                                          bool,
+                                          bool> {
+
+public:
+    static const std::string Type;
+
+    Resize_Op() = delete;
+    
+    using Attributes_ = StaticAttributes<ResizeAttr,
+                                          bool,
+                                          bool,
+                                          bool>;
+    template <ResizeAttr e>
+    using attr = typename Attributes_::template attr<e>;
+
+    Resize_Op(const bool noROI, const bool noScales, const bool noSizes)
+        : OperatorTensor(Type, 1, 3, 1),
+          // input tensor, onnx optional input [roi/scales/sizes] *constant, output
+          Attributes_(attr<ResizeAttr::NoROI>(noROI),
+                      attr<ResizeAttr::NoScales>(noScales),
+                      attr<ResizeAttr::NoSizes>(noSizes)) {}
+    /**
+     * @brief Copy-constructor. Copy the operator attributes and its output tensor(s),
+     * but not its input tensors (the new operator has no input associated).
+     * @param op Operator to copy. 
+     */
+    Resize_Op(const Resize_Op& op)
+        : OperatorTensor(op),
+          Attributes_(op)
+    {
+        //  copy an operator
+        if (!op.backend().empty()) {
+            SET_IMPL_MACRO(Resize_Op, *this, op.backend());
+        }
+        else {
+            mImpl = nullptr;
+        }
+    }
+
+    /**
+     * @brief Clone the operator using its copy-constructor.
+     * @see Operator::Resize_Op
+     */
+    std::shared_ptr<Operator> clone() const override {
+        return std::make_shared<Resize_Op>(*this);
+    }
+
+    bool dimsForwarded() const override final;
+    bool forwardDims(bool allowDataDependency = false) override final;
+
+    void setBackend(const std::string& name, DeviceIdx_t device = 0) override final;
+
+    static const std::vector<std::string> getInputsName(){
+        //  roi, scales, sizes, even if considered as const parameters/input
+        return {"data_input", "roi ", "scales", "sizes"};
+    }
+    static const std::vector<std::string> getOutputsName(){
+        return {"data_output"};
+    }
+};
+
+inline std::shared_ptr<Node> Resize(const std::size_t   nbInputDims,
+                                    const bool          noROI, 
+                                    const bool          noScales,
+                                    const bool          noSizes,
+                                    const std::string &name = "") {
+
+    auto resize_node = std::make_shared<Node>(std::make_shared<Resize_Op>(noROI, noScales, noSizes), name);
+    // create empty producers of the same as the rank of input size [nbInputDims]
+
+    addProducer(resize_node, 1, std::array<DimSize_t, 1>({noROI ? 0     : nbInputDims}), "roi");    // already sets roi dims
+    addProducer(resize_node, 2, std::array<DimSize_t, 1>({noScales ? 0  : nbInputDims}), "scales"); // already sets scales dims
+    addProducer(resize_node, 3, std::array<DimSize_t, 1>({noSizes ? 0   : nbInputDims}), "sizes");  // already sets sizes dims
+    return resize_node;
+}
+
+}  // namespace Aidge
+
+namespace {
+template <>
+const char *const EnumStrings<Aidge::ResizeAttr>::data[] = {
+    "noROI",
+    "noScales", 
+    "noSizes"
+};
+}
+
+
+#endif /* AIDGE_CORE_OPERATOR_Resize_H_ */