From 9c996aea0a7e9edeb81ca363d954046da8983420 Mon Sep 17 00:00:00 2001
From: Grace Shea <grace.m.shea@gmail.com>
Date: Mon, 25 Feb 2019 07:03:16 -0800
Subject: [PATCH 1/2] first commit

---
 .DS_Store                | Bin 0 -> 6148 bytes
 lib/binary_to_decimal.rb |   7 +++++++
 2 files changed, 7 insertions(+)
 create mode 100644 .DS_Store

diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..575f71e606ab245d651c7c0a944942818dce0f72
GIT binary patch
literal 6148
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H{wV_|`9FS?

literal 0
HcmV?d00001

diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb
index 439e8c6..29817ff 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -6,4 +6,11 @@
 # the algorithm you devised in class.
 def binary_to_decimal(binary_array)
   raise NotImplementedError
+  power = binary_array.length - 1
+  decimal = 0
+  binary_array.each do |b|
+    decimal += b * (2 ** power)
+    power -= 1
 end
+return decimal 
+end
\ No newline at end of file

From a103afdda55c9350590d88fa3cd3c24437860324 Mon Sep 17 00:00:00 2001
From: Grace Shea <grace.m.shea@gmail.com>
Date: Thu, 28 Feb 2019 05:54:54 -0800
Subject: [PATCH 2/2] method passes all tests

---
 .DS_Store                | Bin 6148 -> 6148 bytes
 lib/binary_to_decimal.rb |  22 ++++++++--------------
 2 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/.DS_Store b/.DS_Store
index 575f71e606ab245d651c7c0a944942818dce0f72..b14e30f3ce47861a234d2c44a2f7f8ae6a62a0e9 100644
GIT binary patch
delta 16
XcmZoMXffDunu*!a(sJ`TCNoh0F`ETi

delta 16
XcmZoMXffDunu*!Sz+m$^CNoh0F)js3

diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb
index 29817ff..e3d7087 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -1,16 +1,10 @@
-# A method named `binary_to_decimal` that receives as input an array of size 8.
-# 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
-  power = binary_array.length - 1
-  decimal = 0
-  binary_array.each do |b|
-    decimal += b * (2 ** power)
-    power -= 1
+  total = 0
+  exponent = binary_array.length - 1
+  binary_array.length.times do |index|
+    total += binary_array[index] * (2 ** exponent)
+    exponent -= 1
+  end
+  return total
 end
-return decimal 
-end
\ No newline at end of file