From baa4ca2c140bbe7fe88ba42dece5c55f26faf391 Mon Sep 17 00:00:00 2001 From: Goeun Park Date: Wed, 22 Aug 2018 22:22:37 -0700 Subject: [PATCH] algorithm in lib folder --- lib/binary_to_decimal.rb | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb index 439e8c6..dcd724e 100644 --- a/lib/binary_to_decimal.rb +++ b/lib/binary_to_decimal.rb @@ -2,8 +2,14 @@ # 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 +# Calculate and return the decimal value for this binary number using the algorithm you devised in class. + + +def binary_to_decimal(bnry) + + + decimal = bnry[0] * 128 + bnry[1] * 64 + bnry[2] * 32 + bnry[3] * 16 + bnry[4] * 8 + bnry[5] * 4 + bnry[6] * 2 + bnry[7] + + return decimal + end