Emilce - Binary and Decimal - Octos

lib/binary_to_decimal.rb

@@ -4,6 +4,34 @@
 # 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
+# def binary_to_decimal(binary_array)
+#   raise NotImplementedError
+# end
+
+def binary_to_decimal(random_array)
+
+  results = []
+  exponent = 7
+
+  random_array.each do |num|
+    # puts "exponent before conversion #{exponent}"
+
+    conversion = num * 2**exponent
+    # puts "Current result #{conversion}"
+
+    results << conversion
+
+  exponent -= 1
+  # puts "exponent after conversion #{exponent}"
+  end
+
+  return results.sum
+
 end
+
+
+# random_array = Array.new(8) { rand(0..1) }
+random_array = [1, 0, 0, 1, 1, 0, 0, 1]
+puts "This is the random array #{random_array}"
+
+puts "These are your binary numbers in decimal form #{binary_to_decimal(random_array)}"