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Sockets - Pauline #34

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10 changes: 8 additions & 2 deletions lib/binary_to_decimal.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -5,5 +5,11 @@
# Calculate and return the decimal value for this binary number using
# the algorithm you devised in class.
def binary_to_decimal(binary_array)
raise NotImplementedError
end
decimal, exponent = 0, 0
exponent = binary_array.length - 1
binary_array.length.times do |index|
decimal += binary_array[index] * (2 ** exponent)
exponent -= 1
end
return decimal
end