Added Bitshift Operator

Context

See : aidge_quantization#35 (closed)

include/aidge/backend/cpu/operator/BitShiftImpl.hpp

@@ -12,7 +12,7 @@
 #ifndef AIDGE_CPU_OPERATOR_BITSHIFTIMPL_H_
 #define AIDGE_CPU_OPERATOR_BITSHIFTIMPL_H_
 
-#include "aidge/backend/OperatorImpl.hpp"
+#include "aidge/backend/cpu/operator/OperatorImpl.hpp"
 #include "aidge/operator/BitShift.hpp"
 #include "aidge/utils/Registrar.hpp"
 #include "aidge/utils/Types.h"
@@ -21,31 +21,18 @@
 #include <vector>
 
 namespace Aidge {
-// class BitShift_Op;
-
-// compute kernel registry for forward and backward
-class BitShiftImplForward_cpu
-    : public Registrable<BitShiftImplForward_cpu, std::tuple<DataType, DataType, DataType>, void(const BitShift_Op::BitShiftDirection,const std::vector<std::size_t>&, const std::vector<std::size_t>&, const std::vector<std::size_t>&, const void*, const void*,void*)> {
-};
-class BitShiftImplBackward_cpu
-    : public Registrable<BitShiftImplBackward_cpu, std::tuple<DataType, DataType, DataType>, void(const BitShift_Op::BitShiftDirection,const std::vector<std::size_t>&, const std::vector<std::size_t>&, const std::vector<std::size_t>&, const void*, const void*, void*)> {
-};
-
-class BitShiftImpl_cpu : public OperatorImpl {
-public:
-    BitShiftImpl_cpu(const BitShift_Op& op) : OperatorImpl(op, "cpu") {}
-
-    static std::unique_ptr<BitShiftImpl_cpu> create(const BitShift_Op& op) {
-        return std::make_unique<BitShiftImpl_cpu>(op);
-    }
-
-    Elts_t getNbRequiredProtected(const IOIndex_t inputIdx) const override final;
-    void forward() override;
-};
-
-namespace {
-static Registrar<BitShift_Op> registrarBitShiftImpl_cpu("cpu", Aidge::BitShiftImpl_cpu::create);
-}
+// Operator implementation entry point for the backend
+using BitShiftImpl_cpu = OperatorImpl_cpu<BitShift_Op,
+    void(const BitShift_Op::BitShiftDirection,
+    const std::vector<std::size_t>&, 
+    const std::vector<std::size_t>&, 
+    const std::vector<std::size_t>&, 
+    const void*, 
+    const void*,
+    void*)>;
+    
+    // Implementation entry point registration to Operator
+    REGISTRAR(BitShift_Op,"cpu",Aidge::BitShiftImpl_cpu::create);
 }  // namespace Aidge
 
 #endif /* AIDGE_CPU_OPERATOR_BITSHIFTIMPL_H_ */