FIX: Corrected integer division in set_ffd_design_var.py for Python 3 compatibility.

Author: emaberman

SU2_PY/set_ffd_design_var.py

@@ -214,7 +214,7 @@
     iVariable = 0
     dvList = "DEFINITION_DV= "
     for kIndex in range(options.kOrder):
-        for jIndex in range(1 + options.jOrder / 2):
+        for jIndex in range(1 + options.jOrder // 2):
             for iIndex in range(options.iOrder):
                 iVariable = iVariable + 1
                 dvList = (
@@ -237,7 +237,7 @@
                     + ", 1.0, 0.0 )"
                 )
                 if iVariable < (
-                    options.iOrder * (1 + options.jOrder / 2) * options.kOrder
+                    options.iOrder * (1 + options.jOrder // 2) * options.kOrder
                 ):
                     dvList = dvList + "; "
 
@@ -249,7 +249,7 @@
     iVariable = 0
     dvList = "DEFINITION_DV= "
     for kIndex in range(options.kOrder):
-        for jIndex in range(1 + options.jOrder / 2):
+        for jIndex in range(1 + options.jOrder // 2):
             for iIndex in range(options.iOrder):
                 iVariable = iVariable + 1
                 dvList = (
@@ -272,7 +272,7 @@
                     + ", 0.0, 1.0 )"
                 )
                 if iVariable < (
-                    options.iOrder * (1 + options.jOrder / 2) * options.kOrder
+                    options.iOrder * (1 + options.jOrder // 2) * options.kOrder
                 ):
                     dvList = dvList + "; "