Basic Supervised Learning

Context

Required changes to add supervised learning to AIDGE features.

Modified files

• *Impl.hpp to add "cpu" string to constructor
• minor changes to clean some *Impl.cpp files

Detailed major modifications

• Add unit-test for operator+,-,*,/ of Tensor

TODO

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

@@ -64,7 +64,7 @@ void ConvDepthWiseImpl2D_cpu_forward_kernel(const ConvDepthWise_Op<2>::Attrs &at
     for (std::size_t batch = 0; batch < dims[0]; ++batch) {
         for (std::size_t ch = 0; ch < std::get<2>(attrs); ++ch) {
             const std::size_t oIndex = (ch + batch*std::get<2>(attrs)) * oxSize * oySize;
-            B biasVal = (biases != nullptr) ? biases[ch] : B(0);
+            B biasVal = ((!std::get<4>(attrs)) && biases != nullptr) ? biases[ch] : B(0);
             std::fill(output + oIndex, output+(oIndex+oxSize*oySize), biasVal);
             const std::size_t iIndex = (ch + batch*dims[1]) * dims[2] * dims[3];
             const std::size_t wIndex = ch * std::get<3>(attrs)[0] * std::get<3>(attrs)[1];