util.rb in urbanopt-cli-0.11.0

- old
+ new

@@ -1,5 +1,10 @@
+# *********************************************************************************
+# URBANopt (tm), Copyright (c) Alliance for Sustainable Energy, LLC.
+# See also https://github.com/urbanopt/urbanopt-cli/blob/develop/LICENSE.md
+# *********************************************************************************
+
 # frozen_string_literal: true
 
 class MathTools
   def self.valid_float?(str)
     !!Float(str) rescue false
@@ -94,11 +99,11 @@
         z       float      result of bicubic polynomial
     '''
     if c.size != 10
       puts 'Error: There must be 10 coefficients in a bicubic polynomial'
     end
-    z = c[0] + c[1] * x + c[2] * y + c[3] * x**2 + c[4] * x * y + c[5] * y**2 + \
-        c[6] * x**3 + c[7] * y * x**2 + c[8] * x * y**2 + c[9] * y**3
+    z = c[0] + c[1] * x + c[2] * x**2 + c[3] * y + c[4] * y**2 + c[5] * x * y + \
+        c[6] * x**3 + c[7] * y**3 + c[8] * x**2 * y + c[9] * x * y**2
 
     return z
   end
 
   def self.Iterate(x0, f0, x1, f1, x2, f2, icount, cvg)