#NEWLINE# def _decode_gradation( self , value ) : #NEWLINE# #INDENT# if ( self < self . xperstop ) : #NEWLINE# #INDENT# return ( ( math . pow ( 2 , ( ( value - self . unity ) / self . xperstop ) ) - self . denorm_fake0 ) * 2.0 ) #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# return math . pow ( 2 , ( ( value - self . unity ) / self . xperstop ) )