Use macro helper for registrar

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

@@ -23,19 +23,17 @@
 #include "aidge/utils/Types.h"
 
 namespace Aidge {
+// Operator implementation entry point for the backend
 using ReLUImpl_cpu = OperatorImpl_cpu<ReLU_Op,
     void(const std::size_t, const void*, void*),
     void(const std::size_t, const void*, const void*, void*)>;
 
-// class ReLUImpl_cpu : public OperatorImpl_cpu<ReLU_Op,
-//     void(const std::size_t, const void*, void*),
-//     void(const std::size_t, const void*, const void*, void*)>
-// {
-// public:
-//     void forward() override;
-//     void backward() override;
-// };
+// Implementation entry point registration to Operator
+REGISTRAR(ReLU_Op, "cpu", Aidge::ReLUImpl_cpu::create);
 
+////////////////////////////////////////////////////////////////////////////////
+
+// Kernels
 template <class I, class O>
 void ReLUImpl_cpu_forward_kernel(std::size_t inputLenght,
                                      const void* input_,
@@ -62,19 +60,16 @@ void ReLUImpl_cpu_backward_kernel(const std::size_t inputLenght,
     }
 }
 
-namespace {
-static Registrar<ReLU_Op> registrarReLUImpl_cpu("cpu", Aidge::ReLUImpl_cpu::create);
-
-static Registrar<ReLUImpl_cpu> registrarReLUImpl_cpu_float(
+// Kernels registration to implementation entry point
+REGISTRAR(ReLUImpl_cpu,
     {DataType::Float32},
     {ProdConso::inPlaceModel, Aidge::ReLUImpl_cpu_forward_kernel<float, float>, Aidge::ReLUImpl_cpu_backward_kernel<float, float, float>});
-static Registrar<ReLUImpl_cpu> registrarReLUImpl_cpu_double(
+REGISTRAR(ReLUImpl_cpu,
     {DataType::Float64},
     {ProdConso::inPlaceModel, Aidge::ReLUImpl_cpu_forward_kernel<double, double>, Aidge::ReLUImpl_cpu_backward_kernel<double, double, double>});
-static Registrar<ReLUImpl_cpu> registrarReLUImpl_cpu_int(
+REGISTRAR(ReLUImpl_cpu,
     {DataType::Int32},
     {ProdConso::inPlaceModel, Aidge::ReLUImpl_cpu_forward_kernel<int, int>, Aidge::ReLUImpl_cpu_backward_kernel<int, int, int>});
-}
 }  // namespace Aidge
 
 #endif /* AIDGE_CPU_OPERATOR_RELUIMPL_H_ */