MaxPooling2D backward implementation for CPU backend

Context

Through this Merge-Request is illustrated the code for the backward cpu implementation of Maxpool2D operator (find related issue here).

Modified files

• include/aidge/backend/cpu/operator/MaxPoolingImpl.hpp, include/aidge/backend/cpu/operator/MaxPoolingImpl_kernels.hpp , src/operator/MaxPoolingImpl.cpp : add backward implementation for the operator
• unit_tests/operator/Test_MaxPoolingImpl.cpp : Add unit tests for MaxPool backward

changed title from Feat operator max pool2 d to MaxPooling2D backward implementation for CPU backend

changed the description

@adamaroni Looks good, could you rebase?

added 46 commits

• 5735d381...bd42c132 - 44 commits from branch eclipse/aidge:dev
• f1813259 - Refactoring of MaxPoolingImpl_kernels.hpp
• 993b769e - [Issue #250]: Add backward CPU implementation and unit testing for MaxPooling2D CPU

Compare with previous version

Hello, the rebase is done. Normally you should see the feat_operator_MaxPool2D branch beeing ahead by 2 commits compared to dev.

assigned to @adamaroni

requested review from @olivierbichler

added Feature 🚀 label

changed milestone to %aidge v0.6.0

approved this merge request

enabled an automatic merge when all merge checks for 993b769e pass

merged