update method
Implementation
void update(int removedPiece, int addedPiece) {
removedPiece = removedPiece.clamp(0, inputSize - 1);
addedPiece = addedPiece.clamp(0, inputSize - 1);
for (int i = 0; i < hiddenSize; i++) {
hiddenLayer[i] -= W1[i * inputSize + removedPiece];
hiddenLayer[i] += W1[i * inputSize + addedPiece];
hiddenLayer[i] = max(0, hiddenLayer[i]);
}
}