linearInterpolationWeights.H
Go to the documentation of this file.
1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration | Website: https://openfoam.org
5  \\ / A nd | Copyright (C) 2012-2020 OpenFOAM Foundation
6  \\/ M anipulation |
7 -------------------------------------------------------------------------------
8 License
9  This file is part of OpenFOAM.
10 
11  OpenFOAM is free software: you can redistribute it and/or modify it
12  under the terms of the GNU General Public License as published by
13  the Free Software Foundation, either version 3 of the License, or
14  (at your option) any later version.
15 
16  OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19  for more details.
20 
21  You should have received a copy of the GNU General Public License
22  along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
23 
24 Class
25  Foam::linearInterpolationWeights
26 
27 Description
28 
29 SourceFiles
30  linearInterpolationWeights.C
31 
32 \*---------------------------------------------------------------------------*/
33 
34 #ifndef linearInterpolationWeights_H
35 #define linearInterpolationWeights_H
36 
37 #include "interpolationWeights.H"
38 
39 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
40 
41 namespace Foam
42 {
43 
44 /*---------------------------------------------------------------------------*\
45  Class linearInterpolationWeights Declaration
46 \*---------------------------------------------------------------------------*/
47 
49 :
51 {
52  // Private Data
53 
54  //- Cached index in samples from previous invocation
55  mutable label index_;
56 
57 
58 public:
59 
60  //- Runtime type information
61  TypeName("linear");
62 
63 
64  // Constructors
65 
66  //- Construct from components
68  (
69  const scalarField& samples
70  );
71 
72 
73  //- Destructor
75  {}
76 
77 
78  // Member Functions
79 
80  //- Calculate weights and indices to calculate t from samples.
81  // Returns true if indices changed.
82  virtual bool valueWeights
83  (
84  const scalar t,
85  labelList& indices,
86  scalarField& weights
87  ) const;
88 
89  //- Calculate weights and indices to calculate integrand of t1..t2
90  // from samples. Returns true if indices changed.
91  virtual bool integrationWeights
92  (
93  scalar t1,
94  scalar t2,
95  labelList& indices,
96  scalarField& weights
97  ) const;
98 };
99 
100 
101 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
102 
103 } // End namespace Foam
104 
105 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
106 
107 #endif
108 
109 // ************************************************************************* //
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
Abstract base class for interpolating in 1D.
TypeName("linear")
Runtime type information.
scalarField samples(nIntervals, 0)
virtual bool valueWeights(const scalar t, labelList &indices, scalarField &weights) const
Calculate weights and indices to calculate t from samples.
linearInterpolationWeights(const scalarField &samples)
Construct from components.
virtual bool integrationWeights(scalar t1, scalar t2, labelList &indices, scalarField &weights) const
Calculate weights and indices to calculate integrand of t1..t2.
Namespace for OpenFOAM.