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Ports - Amy W #38

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7 changes: 6 additions & 1 deletion lib/binary_to_decimal.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -5,5 +5,10 @@
# 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
decimal_converted = 0

for i in 1..binary_array.length
decimal_converted += binary_array[-i] * 2 ** (i - 1)
end
return decimal_converted
end