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Branches - Amal #36

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10 changes: 9 additions & 1 deletion lib/binary_to_decimal.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,14 @@
# The least significant bit is at index 7.
# 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
value = 0
8.times do |i|
value += binary_array[-(i + 1)] * (2 ** i)
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@CheezItMan CheezItMan Sep 3, 2019

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Clever use of negative exponents.

end
return value

end