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Sockets - Grace #46

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9c996ae
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gracemshea Feb 25, 2019
a103afd
method passes all tests
gracemshea Feb 28, 2019
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15 changes: 8 additions & 7 deletions lib/binary_to_decimal.rb
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Original file line number Diff line number Diff line change
@@ -1,9 +1,10 @@
# A method named `binary_to_decimal` that receives as input an array of size 8.
# The array is randomly filled with 0’s and 1’s.
# The most significant bit is at index 0.
# 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
total = 0
exponent = binary_array.length - 1
binary_array.length.times do |index|
total += binary_array[index] * (2 ** exponent)
exponent -= 1
end
return total
end