1 //-----------------------------------------------------------------------bl-
2 //--------------------------------------------------------------------------
3 //
4 // QUESO - a library to support the Quantification of Uncertainty
5 // for Estimation, Simulation and Optimization
6 //
7 // Copyright (C) 2008-2017 The PECOS Development Team
8 //
9 // This library is free software; you can redistribute it and/or
10 // modify it under the terms of the Version 2.1 GNU Lesser General
11 // Public License as published by the Free Software Foundation.
12 //
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Lesser General Public License for more details.
17 //
18 // You should have received a copy of the GNU Lesser General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc. 51 Franklin Street, Fifth Floor,
21 // Boston, MA  02110-1301  USA
22 //
23 //-----------------------------------------------------------------------el-
24 
25 #ifndef QUESO_INFINITEDIMENSIONALMEASURE_BASE_H
26 #define QUESO_INFINITEDIMENSIONALMEASURE_BASE_H
27 
28 #include <queso/SharedPtr.h>
29 #include <queso/FunctionBase.h>
30 
31 namespace QUESO {
32 
33 /*!
34  * \file InfiniteDimensionalMeasureBase.h
35  * \brief Abstract base class for infinite dimensional measures
36  *
37  * \class InfiniteDimensionalMeasureBase
38  * \brief Abstract base class for infinite dimensional measures
39  */
40 
41 class FunctionBase;
42 
43 class InfiniteDimensionalMeasureBase {
44 public:
45   //! @name Constructor/Destructor methods
46   //@{
47   //! Default constructor
48   InfiniteDimensionalMeasureBase();
49 
50   //! Destructor
51   virtual ~InfiniteDimensionalMeasureBase();
52   //@}
53 
54   //! Draw from the measure, and then return a shared pointer to the draw
55   virtual SharedPtr<FunctionBase>::Type draw() = 0;
56 
57   //! Return coefficient \c i of the KL expansion of the current draw.  Must be called after draw()
58   virtual double get_kl_coefficient(unsigned int i) const = 0;
59 };
60 
61 }  // End namespace QUESO
62 
63 #endif // QUESO_INFINITEDIMENSIONALMEASURE_BASE_H
64