From 7a86e10c61369337c3e72a589e2da643a13cc6af Mon Sep 17 00:00:00 2001 From: Monick Date: Sun, 25 Aug 2019 18:05:47 -0700 Subject: [PATCH] added variables, each loop, and calculations to calculate binary to decimal --- lib/binary_to_decimal.rb | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb index 439e8c6..b111c08 100644 --- a/lib/binary_to_decimal.rb +++ b/lib/binary_to_decimal.rb @@ -4,6 +4,16 @@ # 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 + power = binary_array.length - 1 + binary_array.each do |binary| + number = binary * 2**power + total += number + power -= 1 + end + return total + # raise NotImplementedError end +