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InverseGammaVectorRealizer.C
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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 #include <limits>
26 #include <queso/InverseGammaVectorRealizer.h>
27 #include <queso/GslVector.h>
28 #include <queso/GslMatrix.h>
29 
30 namespace QUESO {
31 
32 // Constructor -------------------------------------
33 template<class V, class M>
35  const char* prefix,
36  const VectorSet<V,M>& unifiedImageSet,
37  const V& alpha,
38  const V& beta)
39  :
40  BaseVectorRealizer<V,M>(((std::string)(prefix)+"gen").c_str(),unifiedImageSet,std::numeric_limits<unsigned int>::max()),
41  m_alpha(alpha),
42  m_beta (beta)
43 {
44  if ((m_env.subDisplayFile()) && (m_env.displayVerbosity() >= 5)) {
45  *m_env.subDisplayFile() << "Entering InverseGammaVectorRealizer<V,M>::constructor()"
46  << ": prefix = " << m_prefix
47  << std::endl;
48  }
49 
50  if ((m_env.subDisplayFile()) && (m_env.displayVerbosity() >= 5)) {
51  *m_env.subDisplayFile() << "Leaving InverseGammaVectorRealizer<V,M>::constructor()"
52  << ": prefix = " << m_prefix
53  << std::endl;
54  }
55 }
56 // Destructor --------------------------------------
57 template<class V, class M>
59 {
60 }
61 // Realization-related methods----------------------
62 template<class V, class M>
63 void
65 {
66  nextValues.cwSetInverseGamma(m_alpha,m_beta);
67  return;
68 }
69 
70 } // End namespace QUESO
71 
A templated (base) class for handling sampling from vector RVs.
const BaseEnvironment & m_env
A class for handling sampling from an Inverse Gamma probability density distribution.
A templated class for handling sets.
Definition: VectorSet.h:52
InverseGammaVectorRealizer(const char *prefix, const VectorSet< V, M > &unifiedImageSet, const V &alpha, const V &beta)
Constructor.
void realization(V &nextValues) const
Draws a realization.
unsigned int displayVerbosity() const
Definition: Environment.C:450
std::ofstream * subDisplayFile() const
Access function for m_subDisplayFile (displays file on stream).
Definition: Environment.C:320

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