Isorropia: Partitioning, Load Balancing and more
Isorropia_Colorer.hpp
Go to the documentation of this file.
1 //@HEADER
2 //************************************************************************
3 //
4 // Isorropia: Partitioning and Load Balancing Package
5 // Copyright (2006) Sandia Corporation
6 //
7 //Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
8 //license for use of this work by or on behalf of the U.S. Government.
9 //
10 // Redistribution and use in source and binary forms, with or without
11 // modification, are permitted provided that the following conditions are
12 // met:
13 //
14 // 1. Redistributions of source code must retain the above copyright
15 // notice, this list of conditions and the following disclaimer.
16 //
17 // 2. Redistributions in binary form must reproduce the above copyright
18 // notice, this list of conditions and the following disclaimer in the
19 // documentation and/or other materials provided with the distribution.
20 //
21 // 3. Neither the name of the Corporation nor the names of the
22 // contributors may be used to endorse or promote products derived from
23 // this software without specific prior written permission.
24 //
25 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
26 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
29 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
30 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
31 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
32 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 //
37 //************************************************************************
38 //@HEADER
39 
40 #ifndef _Isorropia_Colorer_hpp_
41 #define _Isorropia_Colorer_hpp_
42 
43 #include <Isorropia_ConfigDefs.hpp>
44 #include <Teuchos_ParameterList.hpp>
45 #include <Isorropia_Operator.hpp>
46 
47 namespace Isorropia {
48 
55 class Colorer : virtual public Operator {
56 public:
57 
59  virtual ~Colorer() {}
60 
61 
72  virtual void color(bool forceColoring=false) = 0;
73 
74 
82  virtual int numColors() const {
83  return numProperties(); }
84 
85 
94  virtual int numElemsWithColor(int theColor) const
95  { return numElemsWithProperty(theColor); }
96 
97 
109  virtual void elemsWithColor(int theColor,
110  int* elementList,
111  int len) const {
112  return elemsWithProperty(theColor, elementList, len);}
113 
127  virtual int extractColorsView(int& size,
128  const int*& array) const {
129  return extractPropertiesView(size, array);
130  }
131 
132 
147  virtual int extractColorsCopy(int len,
148  int& size,
149  int* array) const {
150  return extractPropertiesCopy(len, size, array);
151  }
152 
153 
154 };//class Colorer
155 
156 }//namespace Isorropia
157 
158 #endif
159 
virtual void color(bool forceColoring=false)=0
Method which does the work of computing a new coloring.
virtual int extractColorsView(int &size, const int *&array) const
Give access of the color assignments array that is owned by the current processor.
Definition: Isorropia_Colorer.hpp:127
virtual int numColors() const
Method which returns the number (global) of colors used.
Definition: Isorropia_Colorer.hpp:82
virtual ~Colorer()
Destructor.
Definition: Isorropia_Colorer.hpp:59
virtual int numProperties() const =0
Return the number of different values used for &quot;properties&quot;.
Interface (abstract base class) for computing a new coloring and describing the result.
Definition: Isorropia_Colorer.hpp:55
virtual int extractPropertiesCopy(int len, int &size, int *array) const =0
Copy a part of the property array.
virtual int extractColorsCopy(int len, int &size, int *array) const
Copy a part of the color assignments array.
Definition: Isorropia_Colorer.hpp:147
Interface (abstract base class) for computing a new partitioning/coloring/ ordering and exploiting th...
Definition: Isorropia_Operator.hpp:58
virtual void elemsWithColor(int theColor, int *elementList, int len) const
Fill user-allocated list (of length len) with the local element ids for LOCAL elements of the given c...
Definition: Isorropia_Colorer.hpp:109
virtual void elemsWithProperty(int property, int *elementList, int len) const =0
Fill user-allocated list (of length len) with the local element ids of the LOCAL elements with the gi...
virtual int numElemsWithProperty(int property) const =0
Return the number of LOCAL elements with the given property.
virtual int numElemsWithColor(int theColor) const
Return the number of local elements of a given color.
Definition: Isorropia_Colorer.hpp:94
virtual int extractPropertiesView(int &size, const int *&array) const =0
Give access of the property array that is owned by the current processor.