Implemented Thickness ADT Module in GlassBR as per issue #134

CaseStudies/glass/src/Python/NewImplementation/ThicknessADT.py

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+## @file ThicknessADT.py
+#  @brief Implements an ADT for the thickness
+#  @date 07/25/2018
+
+class ThicknessT :
+
+    T = [2.5, 2.7, 3.0, 4.0, 5.0, 6.0, 8.0, 10.0, 12.0, 16.0, 19.0, 22.0]
+
+    def __init__ ( self, x ):
+        if x not in T:
+            raise ValueError("invalid input")
+
+        # state variable
+        self.__t = x
+
+    ## @brief Gets the nominal thickness value
+    # @return the minimum thickness value
+    def toMinThick ( self ):
+        if self.__t == 2.5:
+            return 2.16
+        elif self.__t == 2.7:
+            return 2.59
+        elif self.__t == 3.0:
+            return 2.92
+        elif self.__t == 4.0:
+            return 3.78
+        elif self.__t == 5.0:
+            return 4.57
+        elif self.__t == 6.0:
+            return 5.56
+        elif self.__t == 8.0:
+            return 7.42
+        elif self.__t == 10.0:
+            return 9.02
+        elif self.__t == 12.0:
+            return 11.91
+        elif self.__t == 16.0:
+            return 15.09
+        elif self.__t == 19.0:
+            return 18.26
+        elif self.__t == 22.0:
+            return 21.44
+
+    ## @brief Gets the nominal thickness
+    def toFloat ( self ):
+        return self.__t