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Ports - Heather #36

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Ports - Heather #36

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350e92f
binary to decimal algorithm
piffer59 Feb 28, 2019
52d8804
Removed extra variable
piffer59 Mar 5, 2019
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11 changes: 10 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 +4,15 @@
# 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
expected_decimal = 0
x = 7
y = 0
binary_array.length.times do
expected_decimal += binary_array[x] * 2 ** y
x -= 1
y += 1
end
return expected_decimal
end