Clean up. Split class into own file.

compiler/characterizer/charutils.py

@@ -8,17 +8,7 @@
 import re
 import debug
 from globals import OPTS
-from enum import Enum
 
-class sram_op(Enum):
-    READ_ZERO = 0
-    READ_ONE = 1
-    WRITE_ZERO = 2
-    WRITE_ONE = 3
-    
-class bit_polarity(Enum):
-    NONINVERTING = 0
-    INVERTING = 1
     
 def relative_compare(value1,value2,error_tolerance=0.001):
     """ This is used to compare relative values for convergence. """
@@ -102,4 +92,4 @@ def check_dict_values_is_float(dict):
     for key, value in dict.items():
             if type(value)!=float:
                 return False
-    return True
+    return True