From 0228fc12ae2b71f95224a3cb72071d5f51143684 Mon Sep 17 00:00:00 2001 From: Erica Norris Date: Wed, 27 Feb 2019 20:54:03 -0800 Subject: [PATCH] Created method that converts binary (given via array) to decimal --- lib/binary_to_decimal.rb | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb index 439e8c6..bad5d25 100644 --- a/lib/binary_to_decimal.rb +++ b/lib/binary_to_decimal.rb @@ -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 + i = 0 + decimal = 0 + binary_array.length.times do |i| + decimal += binary_array[i] * 2 ** (7 - i) + end + return decimal end