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this is final version, 16x16 eq1 using one multiplier and two adders complete

bugs fixed for 4x4, need to expand it to 16x16, I need to modify java file a little bit

debug almost done, detect one bug I cannot solve right now, need to simulate on 4x4 to see what happens

Merge https://github.com/dem123456789/FPGA-CNN

merge with Sangeetha J. version, elabration complete, need to be tested with modelsim

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Merge https://github.com/dem123456789/FPGA-CNN

Rename CNNfourbyfour.v to fourbyfour.v

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Rename fourbyfour.v to CNNfourbyfour.v