From 6d02468b2d34f9d81d43fd2de2dcd49b5d6c5b2d Mon Sep 17 00:00:00 2001
From: bingojay <60956142+bingojay@users.noreply.github.com>
Date: Thu, 10 Sep 2020 16:31:22 -0700
Subject: [PATCH 1/2] Update binary_to_decimal.rb

tested
---
 lib/binary_to_decimal.rb | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb
index 439e8c6..285162e 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -5,5 +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)
-  raise NotImplementedError
+  decimal_sum = 0
+  binary_array.each_with_index do |bit, index|
+    decimal = bit * 2**(binary_array.length - index - 1)
+    decimal_sum = decimal_sum + decimal
+  end
+  return decimal_sum
 end
+

From d0712aa8239542175d5c738a9472bb10cac1281d Mon Sep 17 00:00:00 2001
From: bingojay <60956142+bingojay@users.noreply.github.com>
Date: Thu, 10 Sep 2020 16:32:06 -0700
Subject: [PATCH 2/2] Add files via upload

---
 lib/decimal_to_binary.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 lib/decimal_to_binary.rb

diff --git a/lib/decimal_to_binary.rb b/lib/decimal_to_binary.rb
new file mode 100644
index 0000000..dd9e437
--- /dev/null
+++ b/lib/decimal_to_binary.rb
@@ -0,0 +1,10 @@
+# converts a decimal number received as a parameter into an array of binary digits
+def decimal_to_binary(decimal)
+  binary_array = []
+  until decimal == 0
+    binary_array << decimal % 2
+    decimal = decimal / 2
+  end
+  return binary_array.reverse
+end
+