From 1f8891368ac1d4b863eb1eb59bfe7d576eac6e92 Mon Sep 17 00:00:00 2001
From: Bitaman <b.amani.s@gmail.com>
Date: Wed, 27 Feb 2019 08:01:15 -0800
Subject: [PATCH 1/3] binary_to_decimal code is done

---
 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..12eb650 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -5,5 +5,15 @@
 # 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
+  decimal = 0
+  n = binary_array.length - 1
+  binary_array.each_with_index do |item, index|
+    dec_digit = item * 2 ** n
+    decimal += dec_digit
+    n -= 1
+  end
+  puts "Decimal number for the binary you entered is #{decimal}"
 end
+
+a = [0, 0, 0, 0, 1, 1, 1, 1]
+puts binary_to_decimal(a)

From be7bcaaa387c9c00aefd2dec3de6da1fb795442f Mon Sep 17 00:00:00 2001
From: Bitaman <b.amani.s@gmail.com>
Date: Thu, 28 Feb 2019 05:37:40 -0800
Subject: [PATCH 2/3] Fixed the program to pass the test

---
 lib/binary_to_decimal.rb | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb
index 12eb650..b45769f 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -5,15 +5,12 @@
 # Calculate  and return the decimal value for this binary number using
 # the algorithm you devised in class.
 def binary_to_decimal(binary_array)
-  decimal = 0
+  expected_decimal = 0
   n = binary_array.length - 1
   binary_array.each_with_index do |item, index|
     dec_digit = item * 2 ** n
-    decimal += dec_digit
+    expected_decimal += dec_digit
     n -= 1
   end
-  puts "Decimal number for the binary you entered is #{decimal}"
+  return expected_decimal
 end
-
-a = [0, 0, 0, 0, 1, 1, 1, 1]
-puts binary_to_decimal(a)

From e31505c3e7a7be2c820d2a630ad720afc465b68d Mon Sep 17 00:00:00 2001
From: Bitaman <b.amani.s@gmail.com>
Date: Thu, 28 Feb 2019 21:12:10 -0800
Subject: [PATCH 3/3] Realized that I was not allowed to itterate with index,
 changed the code

---
 lib/binary_to_decimal.rb | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb
index b45769f..12a6a9f 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -5,12 +5,11 @@
 # Calculate  and return the decimal value for this binary number using
 # the algorithm you devised in class.
 def binary_to_decimal(binary_array)
-  expected_decimal = 0
-  n = binary_array.length - 1
-  binary_array.each_with_index do |item, index|
-    dec_digit = item * 2 ** n
-    expected_decimal += dec_digit
-    n -= 1
+  decimal_number = 0
+  index = -1
+  binary_array.length.times do |i|
+    decimal_number += binary_array[index] * 2 ** i
+    index -= 1
   end
-  return expected_decimal
+  return decimal_number
 end