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Source Code for Module fuzzy.operator.Compound

 1  # -*- coding: utf-8 -*- 
 2  # 
 3  # Copyright (C) 2009  Rene Liebscher 
 4  # 
 5  # This program is free software; you can redistribute it and/or modify it under 
 6  # the terms of the GNU Lesser General Public License as published by the Free  
 7  # Software Foundation; either version 3 of the License, or (at your option) any 
 8  # later version. 
 9  # 
10  # This program is distributed in the hope that it will be useful, but WITHOUT  
11  # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 
12  # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 
13  # details. 
14  #  
15  # You should have received a copy of the GNU Lesser General Public License 
16  # along with this program; if not, see <http://www.gnu.org/licenses/>.  
17  # 
18  """The Compound class takes values of several input operators  and  
19  processes them through a given norm.""" 
20  __revision__ = "$Id: Compound.py,v 1.16 2010-10-29 19:24:41 rliebscher Exp $" 
21   
22  from fuzzy.operator.Operator import Operator 
23   
24 -class Compound(Operator): # pylint: disable=R0903 
25      """Take values of input operators  and process them 
26         through the given norm. 
27   
28         @ivar norm: how to combine inputs. (eg. Min,Max,...) 
29         @type norm: L{fuzzy.norm.Norm.Norm} 
30         @ivar inputs: list of inputs (subclassed from L{fuzzy.operator.Operator.Operator}). 
31      """  
32   
33 -    def __init__(self, norm, *inputs): 
34          """Constructor. 
35           
36          @param norm: how to combine inputs. (eg. Min,Max,...) 
37          @type norm: L{fuzzy.norm.Norm.Norm} 
38          @param inputs: list of inputs (subclassed from L{fuzzy.operator.Operator.Operator}). 
39          """ 
40          super(Compound, self).__init__() 
41          self.norm = norm 
42          self.inputs = inputs 
43   
44 -    def __call__(self): 
45          """Get current value of input and combine them with help of norm.""" 
46          return self.norm(*[x() for x in self.inputs]) 
47   
48 -    def __repr__(self): 
49          """Return representation of instance. 
50                      
51             @return: representation of instance 
52             @rtype: string 
53             """ 
54          return "%s.%s(norm=%s, inputs=%s)" % ( 
55                  self.__class__.__module__, 
56                  self.__class__.__name__, 
57                  repr(self.norm), 
58                  repr(self.inputs), 
59              ) 
60   

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