fixedValue.H
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23 
24 Class
25  Foam::distributions::fixedValue
26 
27 Description
28  Distribution which always takes a specified fixed value
29 
30 Usage
31  Example usage:
32  \verbatim
33  {
34  type fixedValue;
35  value 1e-6;
36  }
37  \endverbatim
38 
39 SourceFiles
40  fixedValue.C
41 
42 See also
43  Foam::distribution
44 
45 \*---------------------------------------------------------------------------*/
46 
47 #ifndef fixedValue_H
48 #define fixedValue_H
49 
50 #include "distribution.H"
51 
52 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
53 
54 namespace Foam
55 {
56 namespace distributions
57 {
58 
59 /*---------------------------------------------------------------------------*\
60  Class fixedValue Declaration
61 \*---------------------------------------------------------------------------*/
62 
63 class fixedValue
64 :
65  public FieldDistribution<distribution, fixedValue>
66 {
67  // Private Data
68 
69  //- Fixed value
70  const scalar value_;
71 
72 
73 public:
74 
75  //- Runtime type information
76  TypeName("fixedValue");
77 
78 
79  // Constructors
80 
81  //- Construct from a dictionary
83  (
84  const unitConversion& units,
85  const dictionary& dict,
86  const label sampleQ,
88  );
89 
90  //- Construct copy
91  fixedValue(const fixedValue& d, const label sampleQ);
92 
93  //- Construct and return a clone
94  virtual autoPtr<distribution> clone(const label sampleQ) const
95  {
96  return autoPtr<distribution>(new fixedValue(*this, sampleQ));
97  }
98 
99 
100  //- Destructor
101  virtual ~fixedValue();
102 
103 
104  // Member Functions
105 
106  //- Sample the distribution
107  virtual scalar sample() const;
108 
109  //- Sample the distribution
111 
112  //- Return the minimum value
113  virtual scalar min() const;
114 
115  //- Return the maximum value
116  virtual scalar max() const;
117 
118  //- Return the mean value
119  virtual scalar mean() const;
120 
121  //- Return the integral of the PDF multiplied by an integer power of x
123  (
124  const scalarField& x,
125  const label e,
126  const bool consistent = false
127  ) const;
128 
129  //- Write to a stream
130  virtual void write(Ostream& os, const unitConversion& units) const;
131 
132  //- Return coordinates to plot across the range of the distribution
133  virtual tmp<scalarField> plotX(const label n) const;
134 
135  //- Return values to plot the probability density function
136  virtual tmp<scalarField> plotPDF(const scalarField& x) const;
137 };
138 
139 
140 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
141 
142 } // End namespace distributions
143 } // End namespace Foam
144 
145 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
146 
147 #endif
148 
149 // ************************************************************************* //
label n
An Ostream is an abstract base class for all output systems (streams, files, token lists,...
Definition: Ostream.H:57
An auto-pointer similar to the STL auto_ptr but with automatic casting to a reference to the type and...
Definition: autoPtr.H:51
A list of keywords followed by any number of values (e.g. words and numbers) or sub-dictionaries.
Definition: dictionary.H:162
autoPtr< distribution > clone() const
Construct and return a clone.
Definition: distribution.H:168
label sampleQ() const
Access the sample size exponent.
Definition: distribution.C:134
Distribution which always takes a specified fixed value.
Definition: fixedValue.H:65
fixedValue(const unitConversion &units, const dictionary &dict, const label sampleQ, randomGenerator &&rndGen)
Construct from a dictionary.
Definition: fixedValue.C:44
virtual tmp< scalarField > integralPDFxPow(const scalarField &x, const label e, const bool consistent=false) const
Return the integral of the PDF multiplied by an integer power of x.
Definition: fixedValue.C:105
virtual scalar min() const
Return the minimum value.
Definition: fixedValue.C:86
TypeName("fixedValue")
Runtime type information.
virtual scalar sample() const
Sample the distribution.
Definition: fixedValue.C:80
virtual ~fixedValue()
Destructor.
Definition: fixedValue.C:74
virtual tmp< scalarField > plotPDF(const scalarField &x) const
Return values to plot the probability density function.
Definition: fixedValue.C:145
virtual void write(Ostream &os, const unitConversion &units) const
Write to a stream.
Definition: fixedValue.C:116
virtual scalar max() const
Return the maximum value.
Definition: fixedValue.C:92
virtual scalar mean() const
Return the mean value.
Definition: fixedValue.C:98
virtual tmp< scalarField > plotX(const label n) const
Return coordinates to plot across the range of the distribution.
Definition: fixedValue.C:127
Random number generator.
A class for managing temporary objects.
Definition: tmp.H:55
Unit conversion structure. Contains the associated dimensions and the multiplier with which to conver...
Namespace for OpenFOAM.
const doubleScalar e
Definition: doubleScalar.H:106
intWM_LABEL_SIZE_t label
A label is an int32_t or int64_t as specified by the pre-processor macro WM_LABEL_SIZE.
Definition: label.H:59
const HashTable< unitConversion > & units()
Get the table of unit conversions.
dictionary dict
randomGenerator rndGen(653213)