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Médéric Boquien authored
Move the negative sign to the constant to avoid having to take the negative of an entire array. Also use a multiplication rather than a division (even though a division by 2 is a special case).
b487455e
Move the negative sign to the constant to avoid having to take the negative of an entire array. Also use a multiplication rather than a division (even though a division by 2 is a special case).