feat : added ASAN support

Context

• Added support for ASAN : Adress Sanitizer.
• set CXX standard to C++ 14

No linked gitlab issue.

Linked MR :

• aidge_core!95 (merged)
• aidge!31 (merged)
• aidge_backend_cpu!44 (merged)

include/aidge/backend/cuda/operator/ConvImpl.hpp

@@ -34,8 +34,11 @@ private:
     cudnnConvolutionDescriptor_t mConvDesc = nullptr;
     cudnnFilterDescriptor_t mFilterDesc = nullptr;
     cudnnConvolutionFwdAlgo_t mFwdAlgo;
+    cudnnConvolutionBwdFilterAlgo_t mBwdFilterAlgo;
+    cudnnConvolutionBwdDataAlgo_t mBwdDataAlgo;
     size_t mWorkspaceSize = 0;
     void* mFwdWorkspace = nullptr;
+    void* mBwdWorkspace = nullptr;
     std::shared_ptr<Tensor> mInput0Fallback;
     std::shared_ptr<Tensor> mInput1Fallback;
     std::shared_ptr<Tensor> mInput2Fallback;
@@ -49,10 +52,12 @@ public:
 
 public:
     void forward();
+    void backward();
     ~ConvImpl_cuda();
 
 private:
     template <class T> void forward_(const Tensor& input0, const Tensor& input1, const Tensor& input2);
+    template <class T> void backward_(const Tensor& input0, const Tensor& input1, const Tensor& input2);
 };
 
 namespace {